Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques.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 0.0009109/0.0009109, allocations: 80.05 kB / 20.72 MB, free: 3.766 MB / 18.57 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 0.001103/0.001103, allocations: 169 kB / 24.14 MB, free: 356 kB / 18.57 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 0.8885/0.8885, allocations: 158.6 MB / 186 MB, free: 2.773 MB / 170.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.1343/0.1343, allocations: 32.37 MB / 270.7 MB, free: 14.61 MB / 266.7 MB " [Timeout remaining time 180] Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) 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: translateModel(ModelicaTest.MultiBody.Forces.FrameForcesAndTorques,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques") translateModel(ModelicaTest.MultiBody.Forces.FrameForcesAndTorques,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.154e-06/2.154e-06, allocations: 0 / 299.1 MB, free: 2.152 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.956e-05/3.171e-05, allocations: 2.312 kB / 299.1 MB, free: 2.148 MB / 282.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.FrameForcesAndTorques): time 0.1775/0.1775, allocations: 16.07 MB / 315.2 MB, free: 11.17 MB / 282.7 MB Notification: Performance of NFInst.instExpressions: time 0.0135/0.191, allocations: 5.379 MB / 320.6 MB, free: 7.535 MB / 282.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003716/0.1948, allocations: 126.2 kB / 320.7 MB, free: 7.5 MB / 282.7 MB Notification: Performance of NFTyping.typeComponents: time 0.005039/0.1998, allocations: 5.202 MB / 325.9 MB, free: 3.363 MB / 282.7 MB Notification: Performance of NFTyping.typeBindings: time 0.006084/0.2059, allocations: 2.993 MB / 328.9 MB, free: 364 kB / 282.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002074/0.208, allocations: 1.286 MB / 330.2 MB, free: 15.07 MB / 298.7 MB Notification: Performance of NFFlatten.flatten: time 0.008075/0.216, allocations: 7.686 MB / 337.9 MB, free: 7.367 MB / 298.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006589/0.2226, allocations: 5.633 MB / 343.5 MB, free: 1.637 MB / 298.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007475/0.2301, allocations: 4.682 MB / 348.2 MB, free: 12.95 MB / 314.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004696/0.2348, allocations: 3.647 MB / 351.8 MB, free: 9.289 MB / 314.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0008293/0.2356, allocations: 0.5859 MB / 352.4 MB, free: 8.703 MB / 314.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002454/0.2381, allocations: 1.572 MB / 354 MB, free: 7.129 MB / 314.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002144/0.2402, allocations: 3.549 MB / 357.5 MB, free: 3.57 MB / 314.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001789/0.242, allocations: 2.224 MB / 359.8 MB, free: 1.34 MB / 314.7 MB Notification: Performance of NFConvertDAE.convert: time 0.006648/0.2487, allocations: 7.644 MB / 367.4 MB, free: 9.668 MB / 330.7 MB Notification: Performance of FrontEnd - DAE generated: time 6.111e-06/0.2487, allocations: 3.984 kB / 367.4 MB, free: 9.664 MB / 330.7 MB Notification: Performance of FrontEnd: time 1.222e-06/0.2487, allocations: 0 / 367.4 MB, free: 9.664 MB / 330.7 MB Notification: Performance of Transformations before backend: time 0.0001034/0.2488, allocations: 0 / 367.4 MB, free: 9.664 MB / 330.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2491 * Number of variables: 2491 Notification: Performance of Generate backend data structure: time 0.008949/0.2577, allocations: 7.548 MB / 375 MB, free: 2.043 MB / 330.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.481e-05/0.2578, allocations: 12.03 kB / 375 MB, free: 2.031 MB / 330.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004523/0.2623, allocations: 1.694 MB / 376.7 MB, free: 344 kB / 330.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004192/0.2665, allocations: 3.267 MB / 379.9 MB, free: 12.96 MB / 346.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002205/0.2667, allocations: 394.7 kB / 380.3 MB, free: 12.58 MB / 346.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005963/0.2673, allocations: 0.5269 MB / 380.8 MB, free: 12.05 MB / 346.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009048/0.2763, allocations: 7.983 MB / 388.8 MB, free: 3.066 MB / 346.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001194/0.2765, allocations: 75.38 kB / 388.9 MB, free: 2.992 MB / 346.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007293/0.2772, allocations: 243.8 kB / 389.1 MB, free: 2.754 MB / 346.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00241/0.2796, allocations: 2.842 MB / 392 MB, free: 15.91 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007563/0.2872, allocations: 4.108 MB / 396.1 MB, free: 11.74 MB / 362.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03915/0.3263, allocations: 48.37 MB / 444.5 MB, free: 9.559 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.006157/0.3325, allocations: 2.739 MB / 447.2 MB, free: 6.77 MB / 410.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008307/0.3333, allocations: 0.6158 MB / 447.8 MB, free: 6.137 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.006689/0.34, allocations: 5.328 MB / 453.1 MB, free: 0.7812 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.877e-05/0.34, allocations: 60.22 kB / 453.2 MB, free: 0.7148 MB / 410.7 MB Notification: Performance of pre-optimization done (n=228): time 3.947e-06/0.34, allocations: 0 / 453.2 MB, free: 0.7148 MB / 410.7 MB Notification: Performance of matching and sorting (n=238): time 0.02133/0.3614, allocations: 9.277 MB / 462.5 MB, free: 7.371 MB / 426.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.342e-05/0.3614, allocations: 231.2 kB / 462.7 MB, free: 7.098 MB / 426.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003661/0.3651, allocations: 4.804 MB / 467.5 MB, free: 2.309 MB / 426.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001239/0.3652, allocations: 61.7 kB / 467.6 MB, free: 2.242 MB / 426.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.2796/0.6448, allocations: 4.826 MB / 472.4 MB, free: 134.3 MB / 426.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.001382/0.6462, allocations: 0.986 MB / 473.4 MB, free: 133.9 MB / 426.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001749/0.6479, allocations: 1.719 MB / 475.1 MB, free: 133.7 MB / 426.8 MB Notification: Performance of setup shared object (initialization): time 3.297e-05/0.648, allocations: 307.8 kB / 475.4 MB, free: 133.4 MB / 426.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001896/0.6499, allocations: 1.162 MB / 476.6 MB, free: 133.3 MB / 426.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00359/0.6535, allocations: 6.434 MB / 483 MB, free: 126.3 MB / 426.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.006636/0.6601, allocations: 8.309 MB / 491.3 MB, free: 118.9 MB / 426.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.378e-05/0.6602, allocations: 63.22 kB / 491.4 MB, free: 118.9 MB / 426.8 MB Notification: Performance of matching and sorting (n=1181) (initialization): time 0.007111/0.6673, allocations: 6.32 MB / 497.7 MB, free: 117.3 MB / 426.8 MB Notification: Performance of prepare postOptimizeDAE: time 6.837e-05/0.6674, allocations: 86.81 kB / 497.8 MB, free: 117.3 MB / 426.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.786e-05/0.6675, allocations: 190.8 kB / 498 MB, free: 117.3 MB / 426.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001247/0.6687, allocations: 0.6021 MB / 498.6 MB, free: 117.3 MB / 426.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002886/0.6716, allocations: 2.021 MB / 0.4888 GB, free: 117.1 MB / 426.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002957/0.6746, allocations: 4.226 MB / 0.493 GB, free: 114 MB / 426.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003918/0.6785, allocations: 386.8 kB / 0.4933 GB, free: 113.9 MB / 426.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004599/0.6789, allocations: 471 kB / 0.4938 GB, free: 113.8 MB / 426.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 870 * Number of states: 0 () * Number of discrete variables: 57 (FixedRotation1.color[3],FixedRotation1.color[2],FixedRotation1.color[1],Revolute4.cylinderColor[3],Revolute4.cylinderColor[2],Revolute4.cylinderColor[1],Revolute3.cylinderColor[3],Revolute3.cylinderColor[2],Revolute3.cylinderColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],frameTorque2.torqueColor[3],frameTorque2.torqueColor[2],frameTorque2.torqueColor[1],frameTorque2.forceColor[3],frameTorque2.forceColor[2],frameTorque2.forceColor[1],frameTorque1.torqueColor[3],frameTorque1.torqueColor[2],frameTorque1.torqueColor[1],frameTorque1.forceColor[3],frameTorque1.forceColor[2],frameTorque1.forceColor[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],body2.color[3],body2.color[2],body2.color[1],body2.body.sphereColor[3],body2.body.sphereColor[2],body2.body.sphereColor[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],body1.color[3],body1.color[2],body1.color[1],body1.body.sphereColor[3],body1.body.sphereColor[2],body1.body.sphereColor[1],Revolute1.cylinderColor[3],Revolute1.cylinderColor[2],Revolute1.cylinderColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1129): * Single equations (assignments): 1122 * Array equations: 5 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,8,100.0%), (2,8,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002235/0.6812, allocations: 0.8602 MB / 0.4946 GB, free: 113.2 MB / 426.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004364/0.6816, allocations: 323 kB / 0.4949 GB, free: 113.2 MB / 426.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002199/0.6838, allocations: 1.642 MB / 0.4965 GB, free: 112.4 MB / 426.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.789e-05/0.6838, allocations: 28 kB / 0.4966 GB, free: 112.4 MB / 426.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.073e-06/0.6838, allocations: 4 kB / 0.4966 GB, free: 112.4 MB / 426.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.489e-05/0.6838, allocations: 14.36 kB / 0.4966 GB, free: 112.4 MB / 426.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007168/0.691, allocations: 6.542 MB / 0.503 GB, free: 107.5 MB / 426.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.856e-06/0.691, allocations: 8 kB / 0.503 GB, free: 107.5 MB / 426.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008078/0.6918, allocations: 356.6 kB / 0.5033 GB, free: 107.2 MB / 426.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001159/0.693, allocations: 0.6032 MB / 0.5039 GB, free: 106.7 MB / 426.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.244e-05/0.6931, allocations: 54.25 kB / 0.504 GB, free: 106.7 MB / 426.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002382/0.6955, allocations: 3.842 MB / 0.5077 GB, free: 102.7 MB / 426.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.797e-06/0.6955, allocations: 4 kB / 0.5077 GB, free: 102.7 MB / 426.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002605/0.6981, allocations: 2.737 MB / 0.5104 GB, free: 99.81 MB / 426.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007192/0.6988, allocations: 0.6553 MB / 0.511 GB, free: 99.16 MB / 426.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003126/0.6991, allocations: 51.97 kB / 0.5111 GB, free: 99.11 MB / 426.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008614/0.7, allocations: 55.92 kB / 0.5111 GB, free: 99.05 MB / 426.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001868/0.7001, allocations: 153.3 kB / 0.5113 GB, free: 98.91 MB / 426.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.575e-05/0.7002, allocations: 51.98 kB / 0.5113 GB, free: 98.86 MB / 426.8 MB Notification: Performance of sorting global known variables: time 0.001228/0.7015, allocations: 1.802 MB / 0.5131 GB, free: 97.07 MB / 426.8 MB Notification: Performance of sort global known variables: time 4e-08/0.7015, allocations: 0 / 0.5131 GB, free: 97.07 MB / 426.8 MB Notification: Performance of remove unused functions: time 0.004403/0.7059, allocations: 1.686 MB / 0.5147 GB, free: 95.39 MB / 426.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 26 * Number of states: 8 (Revolute1.phi,Revolute1.w,Revolute3.phi,Revolute3.w,Revolute2.phi,Revolute2.w,Revolute4.phi,Revolute4.w) * 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 (205): * Single equations (assignments): 200 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,8,100.0%), (2,8,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0003356/0.7062, allocations: 195.1 kB / 0.5149 GB, free: 95.21 MB / 426.8 MB Notification: Performance of simCode: created initialization part: time 0.003641/0.7098, allocations: 3.843 MB / 0.5187 GB, free: 91.38 MB / 426.8 MB Notification: Performance of simCode: created event and clocks part: time 0.0001687/0.71, allocations: 120.2 kB / 0.5188 GB, free: 91.25 MB / 426.8 MB Notification: Performance of simCode: created simulation system equations: time 0.00085/0.7109, allocations: 0.9389 MB / 0.5197 GB, free: 90.29 MB / 426.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002392/0.7133, allocations: 0.9676 MB / 0.5207 GB, free: 89.35 MB / 426.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01063/0.7239, allocations: 12.06 MB / 0.5324 GB, free: 77.15 MB / 426.8 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001329/0.7252, allocations: 2.011 MB / 0.5344 GB, free: 75.12 MB / 426.8 MB Notification: Performance of simCode: alias equations: time 0.00165/0.7269, allocations: 0.7411 MB / 0.5351 GB, free: 74.39 MB / 426.8 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001094/0.728, allocations: 0.7773 MB / 0.5359 GB, free: 73.62 MB / 426.8 MB Notification: Performance of SimCode: time 1.453e-06/0.728, allocations: 0 / 0.5359 GB, free: 73.62 MB / 426.8 MB Notification: Performance of Templates: time 0.0652/0.7932, allocations: 50.64 MB / 0.5853 GB, free: 23.06 MB / 426.8 MB " [Timeout remaining time 659] make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques.makefile [Timeout 660] (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques.sim & ./ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Forces/FrameForcesAndTorques/FrameForcesAndTorques.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 4.841646214015782]