Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20.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 0.00205/0.00205, allocations: 83.69 kB / 20.67 MB, free: 3.887 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 0.001273/0.001273, allocations: 170 kB / 23.95 MB, free: 0.6133 MB / 18.57 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 0.9297/0.9297, allocations: 177.1 MB / 204.3 MB, free: 5.711 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo): time 0.6148/0.6148, allocations: 88.06 MB / 348.7 MB, free: 14.37 MB / 330.7 MB " [Timeout remaining time 179] Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/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(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20,fileNamePrefix="ScalableTestSuite_ScalableTestSuite_Mechanical_HarmonicOscillator_ScaledExperiments_HarmonicOscillatorNetwork_N_20",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20,fileNamePrefix="ScalableTestSuite_ScalableTestSuite_Mechanical_HarmonicOscillator_ScaledExperiments_HarmonicOscillatorNetwork_N_20",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.743e-06/1.743e-06, allocations: 0 / 0.523 GB, free: 4.012 MB / 442.8 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.311e-05/2.486e-05, allocations: 9.453 kB / 0.5231 GB, free: 4.004 MB / 442.8 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20): time 0.001785/0.00181, allocations: 1.251 MB / 0.5243 GB, free: 2.746 MB / 442.8 MB Notification: Performance of NFInst.instExpressions: time 0.0001885/0.001999, allocations: 39.88 kB / 0.5243 GB, free: 2.707 MB / 442.8 MB Notification: Performance of NFInst.updateImplicitVariability: time 3.348e-05/0.002032, allocations: 0 / 0.5243 GB, free: 2.707 MB / 442.8 MB Notification: Performance of NFTyping.typeComponents: time 8.409e-05/0.002116, allocations: 0 / 0.5243 GB, free: 2.707 MB / 442.8 MB Notification: Performance of NFTyping.typeBindings: time 6.295e-05/0.002179, allocations: 15.86 kB / 0.5243 GB, free: 2.691 MB / 442.8 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001737/0.002353, allocations: 31.95 kB / 0.5244 GB, free: 2.66 MB / 442.8 MB Notification: Performance of NFFlatten.flatten: time 0.0002964/0.002649, allocations: 443.4 kB / 0.5248 GB, free: 2.227 MB / 442.8 MB Notification: Performance of NFFlatten.resolveConnections: time 4.762e-05/0.002697, allocations: 3.984 kB / 0.5248 GB, free: 2.223 MB / 442.8 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001537/0.002851, allocations: 203.7 kB / 0.525 GB, free: 2.023 MB / 442.8 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001622/0.003013, allocations: 135.7 kB / 0.5251 GB, free: 1.891 MB / 442.8 MB Notification: Performance of NFPackage.collectConstants: time 4.489e-05/0.003058, allocations: 24 kB / 0.5251 GB, free: 1.867 MB / 442.8 MB Notification: Performance of NFFlatten.collectFunctions: time 2.781e-05/0.003085, allocations: 20 kB / 0.5251 GB, free: 1.848 MB / 442.8 MB Notification: Performance of NFScalarize.scalarize: time 9.561e-05/0.003181, allocations: 131.7 kB / 0.5253 GB, free: 1.719 MB / 442.8 MB Notification: Performance of NFVerifyModel.verify: time 9.354e-05/0.003275, allocations: 123.7 kB / 0.5254 GB, free: 1.598 MB / 442.8 MB Notification: Performance of NFConvertDAE.convert: time 0.0001651/0.00344, allocations: 227.3 kB / 0.5256 GB, free: 1.375 MB / 442.8 MB Notification: Performance of FrontEnd - DAE generated: time 3.647e-06/0.003443, allocations: 4 kB / 0.5256 GB, free: 1.371 MB / 442.8 MB Notification: Performance of FrontEnd: time 1.543e-06/0.003445, allocations: 0 / 0.5256 GB, free: 1.371 MB / 442.8 MB Notification: Performance of Transformations before backend: time 5.67e-06/0.003451, allocations: 15.86 kB / 0.5256 GB, free: 1.355 MB / 442.8 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 60 * Number of variables: 60 Notification: Performance of Generate backend data structure: time 0.001501/0.004952, allocations: 0.6856 MB / 0.5263 GB, free: 0.6328 MB / 442.8 MB Notification: Performance of prepare preOptimizeDAE: time 4.978e-05/0.005002, allocations: 8.031 kB / 0.5263 GB, free: 0.625 MB / 442.8 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.57e-05/0.005057, allocations: 58.73 kB / 0.5264 GB, free: 0.5586 MB / 442.8 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.575e-05/0.005113, allocations: 32.8 kB / 0.5264 GB, free: 0.5273 MB / 442.8 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002205/0.005333, allocations: 181.5 kB / 0.5266 GB, free: 332 kB / 442.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.06e-05/0.005354, allocations: 28.88 kB / 0.5266 GB, free: 304 kB / 442.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.488e-05/0.005419, allocations: 64.28 kB / 0.5267 GB, free: 240 kB / 442.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004079/0.005827, allocations: 328.4 kB / 0.527 GB, free: 15.91 MB / 458.8 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.179e-05/0.005849, allocations: 16.14 kB / 0.527 GB, free: 15.89 MB / 458.8 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.197e-05/0.005871, allocations: 4.375 kB / 0.527 GB, free: 15.89 MB / 458.8 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.466e-06/0.005879, allocations: 12.12 kB / 0.527 GB, free: 15.88 MB / 458.8 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002614/0.006141, allocations: 213.8 kB / 0.5272 GB, free: 15.66 MB / 458.8 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0004299/0.00657, allocations: 414.8 kB / 0.5276 GB, free: 15.22 MB / 458.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006285/0.007199, allocations: 473.4 kB / 0.5281 GB, free: 14.75 MB / 458.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002363/0.007435, allocations: 222.2 kB / 0.5283 GB, free: 14.53 MB / 458.8 MB Notification: Performance of preOpt evalFunc (simulation): time 2.953e-05/0.007465, allocations: 8.5 kB / 0.5283 GB, free: 14.52 MB / 458.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.28e-05/0.007487, allocations: 43.06 kB / 0.5283 GB, free: 14.47 MB / 458.8 MB Notification: Performance of pre-optimization done (n=60): time 2.996e-06/0.00749, allocations: 0 / 0.5283 GB, free: 14.47 MB / 458.8 MB Notification: Performance of matching and sorting (n=60): time 0.002084/0.009575, allocations: 1.156 MB / 0.5294 GB, free: 13.3 MB / 458.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.655e-05/0.009611, allocations: 55.91 kB / 0.5295 GB, free: 13.23 MB / 458.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 6.669e-05/0.009678, allocations: 121.7 kB / 0.5296 GB, free: 13.11 MB / 458.8 MB Notification: Performance of collectPreVariables (initialization): time 2.99e-05/0.009708, allocations: 41.7 kB / 0.5296 GB, free: 13.06 MB / 458.8 MB Notification: Performance of collectInitialEqns (initialization): time 3.231e-05/0.00974, allocations: 93.45 kB / 0.5297 GB, free: 12.96 MB / 458.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001345/0.009875, allocations: 261.8 kB / 0.53 GB, free: 12.71 MB / 458.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001226/0.009997, allocations: 146.7 kB / 0.5301 GB, free: 12.55 MB / 458.8 MB Notification: Performance of setup shared object (initialization): time 0.0001019/0.0101, allocations: 342.8 kB / 0.5305 GB, free: 12.21 MB / 458.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002513/0.01035, allocations: 253.8 kB / 0.5307 GB, free: 11.96 MB / 458.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003233/0.01067, allocations: 428.2 kB / 0.5311 GB, free: 11.48 MB / 458.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009875/0.01166, allocations: 0.718 MB / 0.5318 GB, free: 10.7 MB / 458.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.548e-05/0.01168, allocations: 4 kB / 0.5318 GB, free: 10.7 MB / 458.8 MB Notification: Performance of matching and sorting (n=100) (initialization): time 0.001602/0.01328, allocations: 1.001 MB / 0.5328 GB, free: 9.688 MB / 458.8 MB Notification: Performance of prepare postOptimizeDAE: time 2.445e-05/0.0133, allocations: 8 kB / 0.5328 GB, free: 9.68 MB / 458.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.035e-05/0.01331, allocations: 4 kB / 0.5328 GB, free: 9.676 MB / 458.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006971/0.01401, allocations: 292.5 kB / 0.5331 GB, free: 9.387 MB / 458.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004369/0.01445, allocations: 159.8 kB / 0.5332 GB, free: 9.23 MB / 458.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002731/0.01718, allocations: 3 MB / 0.5362 GB, free: 6.117 MB / 458.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002067/0.01739, allocations: 59.61 kB / 0.5362 GB, free: 6.059 MB / 458.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.646e-05/0.01741, allocations: 28 kB / 0.5362 GB, free: 6.031 MB / 458.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * 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 (81): * Single equations (assignments): 80 * 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 {(1,19,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001524/0.01757, allocations: 181.6 kB / 0.5364 GB, free: 5.844 MB / 458.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.663e-05/0.0176, allocations: 23.86 kB / 0.5364 GB, free: 5.82 MB / 458.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.405e-05/0.01767, allocations: 57.97 kB / 0.5365 GB, free: 5.77 MB / 458.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.767e-06/0.01767, allocations: 11.94 kB / 0.5365 GB, free: 5.758 MB / 458.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.474e-05/0.01768, allocations: 4 kB / 0.5365 GB, free: 5.754 MB / 458.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.711e-06/0.01769, allocations: 3.984 kB / 0.5365 GB, free: 5.75 MB / 458.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003479/0.01804, allocations: 408.8 kB / 0.5369 GB, free: 5.309 MB / 458.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.607e-06/0.01804, allocations: 4 kB / 0.5369 GB, free: 5.305 MB / 458.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004155/0.01846, allocations: 131.9 kB / 0.537 GB, free: 5.176 MB / 458.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006088/0.01907, allocations: 295.4 kB / 0.5373 GB, free: 4.887 MB / 458.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.731e-05/0.01911, allocations: 27.97 kB / 0.5373 GB, free: 4.859 MB / 458.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002702/0.02182, allocations: 2.982 MB / 0.5403 GB, free: 1.758 MB / 458.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.523e-06/0.02182, allocations: 0 / 0.5403 GB, free: 1.758 MB / 458.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001701/0.02352, allocations: 1.126 MB / 0.5414 GB, free: 0.6172 MB / 458.8 MB Notification: Performance of postOpt removeConstants (simulation): time 3.783e-05/0.02356, allocations: 31.73 kB / 0.5414 GB, free: 0.5859 MB / 458.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.351e-05/0.0236, allocations: 23.98 kB / 0.5414 GB, free: 0.5625 MB / 458.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 9.38e-05/0.02369, allocations: 4 kB / 0.5414 GB, free: 0.5586 MB / 458.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.23e-05/0.02379, allocations: 60.27 kB / 0.5415 GB, free: 0.4961 MB / 458.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.989e-05/0.02381, allocations: 16 kB / 0.5415 GB, free: 492 kB / 458.8 MB Notification: Performance of sorting global known variables: time 3.383e-05/0.02384, allocations: 83.27 kB / 0.5416 GB, free: 408 kB / 458.8 MB Notification: Performance of sort global known variables: time 6e-08/0.02384, allocations: 4 kB / 0.5416 GB, free: 404 kB / 458.8 MB Notification: Performance of remove unused functions: time 0.0003725/0.02421, allocations: 140 kB / 0.5417 GB, free: 264 kB / 458.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 40 (xm[1],xm[2],xm[3],xm[4],xm[5],xm[6],xm[7],xm[8],xm[9],xm[10],xm[11],xm[12],xm[13],xm[14],xm[15],xm[16],xm[17],xm[18],xm[19],xm[20],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],v[10],v[11],v[12],v[13],v[14],v[15],v[16],v[17],v[18],v[19],v[20]) * 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 (41): * Single equations (assignments): 40 * 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 {(1,19,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001493/0.02571, allocations: 1.677 MB / 0.5433 GB, free: 14.55 MB / 474.8 MB Notification: Performance of simCode: created initialization part: time 0.001193/0.0269, allocations: 0.8474 MB / 0.5442 GB, free: 13.69 MB / 474.8 MB Notification: Performance of simCode: created event and clocks part: time 2.685e-06/0.0269, allocations: 0 / 0.5442 GB, free: 13.69 MB / 474.8 MB Notification: Performance of simCode: created simulation system equations: time 0.0006439/0.02754, allocations: 0.5428 MB / 0.5447 GB, free: 13.13 MB / 474.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002208/0.02777, allocations: 28.59 kB / 0.5447 GB, free: 13.11 MB / 474.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005659/0.03342, allocations: 6.182 MB / 0.5508 GB, free: 6.703 MB / 474.8 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001581/0.03358, allocations: 203.4 kB / 0.551 GB, free: 6.488 MB / 474.8 MB Notification: Performance of simCode: alias equations: time 0.0001934/0.03378, allocations: 143.1 kB / 0.5511 GB, free: 6.348 MB / 474.8 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001063/0.03388, allocations: 88.47 kB / 0.5512 GB, free: 6.262 MB / 474.8 MB Notification: Performance of SimCode: time 1.643e-06/0.03388, allocations: 4 kB / 0.5512 GB, free: 6.258 MB / 474.8 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02544/0.05932, allocations: 10.25 MB / 0.5612 GB, free: 12.25 MB / 490.8 MB Notification: Performance of buildModelFMU: Generate platform static: time 6.949/7.009, allocations: 11.91 kB / 0.5612 GB, free: 12.23 MB / 490.8 MB " [Timeout remaining time 293] (rm -f ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20_res.mat --tempDir=temp_ScalableTestSuite_ScalableTestSuite_Mechanical_HarmonicOscillator_ScaledExperiments_HarmonicOscillatorNetwork_N_20_fmu --startTime=0 --stopTime=10 --stepSize=0.004 --timeout=300 --tolerance=1e-06 ScalableTestSuite_ScalableTestSuite_Mechanical_HarmonicOscillator_ScaledExperiments_HarmonicOscillatorNetwork_N_20.fmu > ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20.pipe 2>&1) [Timeout 315.0] diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_20.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: 9.787411699071527]