Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001501/0.001501, allocations: 117.9 kB / 19.18 MB, free: 3.883 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001742/0.001742, allocations: 208.9 kB / 22.13 MB, free: 0.9336 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo): time 1.448/1.448, allocations: 230.4 MB / 255.4 MB, free: 15 MB / 206.1 MB " [Timeout remaining time 178] Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|body1.r_0.1.|body1.r_0.2.|body1.r_0.3.|body1.v_0.1.|body1.v_0.2.|body1.v_0.3.|body2.r_0.1.|body2.r_0.2.|body2.r_0.3.|body2.v_0.1.|body2.v_0.2.|body2.v_0.3.|body3.r_0.1.|body3.r_0.2.|body3.r_0.3.|body3.v_0.1.|body3.v_0.2.|body3.v_0.3.|body4.r_0.1.|body4.r_0.2.|body4.r_0.3.|body4.v_0.1.|body4.v_0.2.|body4.v_0.3.",fileNamePrefix="Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses") translateModel(Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|body1.r_0.1.|body1.r_0.2.|body1.r_0.3.|body1.v_0.1.|body1.v_0.2.|body1.v_0.3.|body2.r_0.1.|body2.r_0.2.|body2.r_0.3.|body2.v_0.1.|body2.v_0.2.|body2.v_0.3.|body3.r_0.1.|body3.r_0.2.|body3.r_0.3.|body3.v_0.1.|body3.v_0.2.|body3.v_0.3.|body4.r_0.1.|body4.r_0.2.|body4.r_0.3.|body4.v_0.1.|body4.v_0.2.|body4.v_0.3.",fileNamePrefix="Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses") [Timeout 660] "Warning: Requested package Modelica of version trunk, but this package was already loaded with version 4.1.0. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package Complex of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package ModelicaServices of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Notification: Performance of FrontEnd - loaded program: time 0.001856/0.001856, allocations: 75.81 kB / 374.8 MB, free: 9.711 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09605/0.09791, allocations: 53.31 MB / 428.1 MB, free: 4.312 MB / 350.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses): time 0.1989/0.2968, allocations: 7.97 MB / 436 MB, free: 7.309 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.004392/0.3012, allocations: 2.584 MB / 438.6 MB, free: 6.191 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008638/0.3021, allocations: 34.97 kB / 438.6 MB, free: 6.188 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002726/0.3048, allocations: 1.45 MB / 440.1 MB, free: 5.754 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002422/0.3072, allocations: 1.018 MB / 441.1 MB, free: 5.316 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0006993/0.3079, allocations: 265.7 kB / 441.4 MB, free: 5.18 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.003354/0.3113, allocations: 2.155 MB / 443.5 MB, free: 4.32 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001654/0.3129, allocations: 1.337 MB / 444.9 MB, free: 3.75 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001247/0.3142, allocations: 0.8313 MB / 445.7 MB, free: 3.395 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001699/0.3159, allocations: 1.299 MB / 447 MB, free: 2.93 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0003578/0.3162, allocations: 159.9 kB / 447.2 MB, free: 2.93 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001514/0.3177, allocations: 0.6916 MB / 447.8 MB, free: 2.762 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001235/0.319, allocations: 1.176 MB / 449 MB, free: 2.328 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001227/0.3202, allocations: 1.362 MB / 450.4 MB, free: 1.336 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.005317/0.3255, allocations: 4.29 MB / 454.7 MB, free: 15.18 MB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.919e-06/0.3255, allocations: 0 / 454.7 MB, free: 15.18 MB / 366.1 MB Notification: Performance of FrontEnd: time 1.633e-06/0.3255, allocations: 0 / 454.7 MB, free: 15.18 MB / 366.1 MB Notification: Performance of Transformations before backend: time 0.0001098/0.3256, allocations: 1.438 kB / 454.7 MB, free: 15.18 MB / 366.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1113 * Number of variables: 1113 Notification: Performance of Generate backend data structure: time 0.005514/0.3311, allocations: 3.003 MB / 457.7 MB, free: 12.95 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.935e-05/0.3312, allocations: 9.438 kB / 457.7 MB, free: 12.95 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006911/0.3381, allocations: 1.792 MB / 459.5 MB, free: 12 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002409/0.3405, allocations: 1.165 MB / 460.6 MB, free: 11.18 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001326/0.3406, allocations: 153.8 kB / 460.8 MB, free: 11.1 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004092/0.341, allocations: 213.2 kB / 461 MB, free: 11.02 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01891/0.36, allocations: 8.61 MB / 469.6 MB, free: 5.844 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001014/0.3601, allocations: 41.31 kB / 469.7 MB, free: 5.82 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003048/0.3604, allocations: 105.2 kB / 469.8 MB, free: 5.75 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003009/0.3634, allocations: 1.662 MB / 471.4 MB, free: 4.461 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01861/0.382, allocations: 7.189 MB / 478.6 MB, free: 13.27 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.045/0.427, allocations: 30.14 MB / 0.4968 GB, free: 14.26 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.03181/0.4588, allocations: 5 MB / 0.5017 GB, free: 9.094 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001801/0.4606, allocations: 1.195 MB / 0.5029 GB, free: 7.879 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.005806/0.4664, allocations: 3.841 MB / 0.5066 GB, free: 3.871 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.147e-05/0.4664, allocations: 47.7 kB / 0.5067 GB, free: 3.816 MB / 414.1 MB Notification: Performance of pre-optimization done (n=111): time 3.206e-06/0.4664, allocations: 0 / 0.5067 GB, free: 3.816 MB / 414.1 MB Notification: Performance of matching and sorting (n=111): time 0.04549/0.5119, allocations: 9.294 MB / 0.5157 GB, free: 10.44 MB / 430.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001233/0.512, allocations: 191.9 kB / 0.5159 GB, free: 10.21 MB / 430.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004396/0.5164, allocations: 3.047 MB / 0.5189 GB, free: 7.141 MB / 430.1 MB Notification: Performance of collectPreVariables (initialization): time 0.00015/0.5166, allocations: 37.7 kB / 0.5189 GB, free: 7.098 MB / 430.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001845/0.5184, allocations: 2.527 MB / 0.5214 GB, free: 4.543 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005592/0.519, allocations: 0.5119 MB / 0.5219 GB, free: 4.027 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001592/0.5206, allocations: 1.1 MB / 0.523 GB, free: 2.918 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 0.0001637/0.5208, allocations: 305.1 kB / 0.5233 GB, free: 2.617 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003608/0.5244, allocations: 1.607 MB / 0.5248 GB, free: 1.004 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007592/0.532, allocations: 5.17 MB / 0.5299 GB, free: 10.03 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01292/0.5449, allocations: 7.336 MB / 0.537 GB, free: 0.9062 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001152/0.545, allocations: 36 kB / 0.5371 GB, free: 0.8711 MB / 446.1 MB Notification: Performance of matching and sorting (n=705) (initialization): time 0.01747/0.5625, allocations: 6.462 MB / 0.5434 GB, free: 10.41 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001238/0.5626, allocations: 60 kB / 0.5435 GB, free: 10.35 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001865/0.5628, allocations: 124.6 kB / 0.5436 GB, free: 10.23 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002688/0.563, allocations: 168 kB / 0.5437 GB, free: 10.07 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007137/0.5702, allocations: 1.458 MB / 0.5452 GB, free: 8.605 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002205/0.5704, allocations: 251 kB / 0.5454 GB, free: 8.359 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003894/0.5743, allocations: 0.7721 MB / 0.5461 GB, free: 7.582 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005646/0.5749, allocations: 347.9 kB / 0.5465 GB, free: 7.246 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 580 * Number of states: 0 () * Number of discrete variables: 30 (spring.color[3],spring.color[2],spring.color[1],spring.massColor[3],spring.massColor[2],spring.massColor[1],body4.sphereColor[3],body4.sphereColor[2],body4.sphereColor[1],body3.sphereColor[3],body3.sphereColor[2],body3.sphereColor[1],body2.sphereColor[3],body2.sphereColor[2],body2.sphereColor[1],body1.sphereColor[3],body1.sphereColor[2],body1.sphereColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (681): * Single equations (assignments): 678 * Array equations: 3 * 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 0.002448/0.5773, allocations: 1.577 MB / 0.548 GB, free: 5.66 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004478/0.5777, allocations: 262.2 kB / 0.5483 GB, free: 5.402 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005785/0.5783, allocations: 315.3 kB / 0.5486 GB, free: 5.094 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.34e-05/0.5784, allocations: 20 kB / 0.5486 GB, free: 5.074 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.094e-05/0.5784, allocations: 3.938 kB / 0.5486 GB, free: 5.07 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.518e-05/0.5784, allocations: 7.984 kB / 0.5486 GB, free: 5.062 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005721/0.5841, allocations: 3.388 MB / 0.5519 GB, free: 1.613 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.256e-06/0.5841, allocations: 4 kB / 0.5519 GB, free: 1.609 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002373/0.5865, allocations: 411.7 kB / 0.5523 GB, free: 1.207 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.305e-05/0.5865, allocations: 8 kB / 0.5523 GB, free: 1.199 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.829e-05/0.5866, allocations: 39.97 kB / 0.5524 GB, free: 1.16 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.075e-05/0.5866, allocations: 7.984 kB / 0.5524 GB, free: 1.152 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.717e-06/0.5866, allocations: 7.938 kB / 0.5524 GB, free: 1.145 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003744/0.5903, allocations: 2.816 MB / 0.5551 GB, free: 14.31 MB / 478.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0006115/0.591, allocations: 319 kB / 0.5554 GB, free: 13.98 MB / 478.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002449/0.5912, allocations: 31.98 kB / 0.5555 GB, free: 13.95 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00087/0.5921, allocations: 39.95 kB / 0.5555 GB, free: 13.91 MB / 478.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00014/0.5922, allocations: 51.92 kB / 0.5555 GB, free: 13.86 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.149e-05/0.5923, allocations: 31.98 kB / 0.5556 GB, free: 13.82 MB / 478.1 MB Notification: Performance of sorting global known variables: time 0.002928/0.5952, allocations: 1.84 MB / 0.5574 GB, free: 11.98 MB / 478.1 MB Notification: Performance of sort global known variables: time 1e-07/0.5952, allocations: 4 kB / 0.5574 GB, free: 11.98 MB / 478.1 MB Notification: Performance of remove unused functions: time 0.004021/0.5992, allocations: 0.8265 MB / 0.5582 GB, free: 11.15 MB / 478.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 24 (body1.r_0[1],body1.r_0[2],body1.r_0[3],body1.v_0[1],body1.v_0[2],body1.v_0[3],body2.r_0[1],body2.r_0[2],body2.r_0[3],body2.v_0[1],body2.v_0[2],body2.v_0[3],body3.r_0[1],body3.r_0[2],body3.r_0[3],body3.v_0[1],body3.v_0[2],body3.v_0[3],body4.r_0[1],body4.r_0[2],body4.r_0[3],body4.v_0[1],body4.v_0[2],body4.v_0[3]) * 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 (87): * Single equations (assignments): 84 * Array equations: 3 * 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 0.000382/0.5996, allocations: 163.3 kB / 0.5583 GB, free: 10.98 MB / 478.1 MB Notification: Performance of simCode: created initialization part: time 0.005649/0.6053, allocations: 3.485 MB / 0.5617 GB, free: 7.523 MB / 478.1 MB Notification: Performance of simCode: created event and clocks part: time 4.639e-06/0.6053, allocations: 0 / 0.5617 GB, free: 7.523 MB / 478.1 MB Notification: Performance of simCode: created simulation system equations: time 0.00101/0.6063, allocations: 0.684 MB / 0.5624 GB, free: 6.84 MB / 478.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001744/0.608, allocations: 273.3 kB / 0.5627 GB, free: 6.59 MB / 478.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01217/0.6202, allocations: 7.495 MB / 0.57 GB, free: 15.05 MB / 494.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002536/0.6227, allocations: 2.394 MB / 0.5723 GB, free: 12.63 MB / 494.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000746/0.6235, allocations: 227.4 kB / 0.5725 GB, free: 12.41 MB / 494.1 MB Notification: Performance of SimCode: time 1.222e-06/0.6235, allocations: 0 / 0.5725 GB, free: 12.41 MB / 494.1 MB Notification: Performance of Templates: time 0.06862/0.6921, allocations: 41.16 MB / 0.6127 GB, free: 3.422 MB / 0.5137 GB " [Timeout remaining time 659] make -j1 -f Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.makefile [Timeout 660] (rm -f Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.pipe ; mkfifo Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.pipe ; head -c 1048576 < Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.pipe >> ../files/Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.sim & ./Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/MultiBody/Examples/Elementary/PointGravityWithPointMasses/PointGravityWithPointMasses.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses.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: 10.776528686052188]