Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_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 0.001598/0.001598, allocations: 107.9 kB / 20.44 MB, free: 1.188 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 0.001813/0.001813, allocations: 210.2 kB / 23.73 MB, free: 4.387 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 1.445/1.445, allocations: 230.6 MB / 257.5 MB, free: 7.785 MB / 206.1 MB " [Timeout remaining time 178] 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 1.023/1.023, allocations: 120.6 MB / 434.5 MB, free: 0.6328 MB / 334.1 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: translateModel(ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20,tolerance=1e-07,outputFormat="mat",numberOfIntervals=21600,variableFilter="Qh.1.|Qh.20.|Qh.2.|Qh.3.|Que.1.|Que.20.|Que.2.|Que.3.|Tu.1.|Tu.20.|Tu.2.|Tu.3.|der.Tu.1..|der.Tu.20..|der.Tu.2..|der.Tu.3..|der.x.1..|der.x.20..|der.x.2..|der.x.3..|time|time|u.1.|u.20.|u.2.|u.3.|x.1.|x.20.|x.2.|x.3.",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20") translateModel(ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20,tolerance=1e-07,outputFormat="mat",numberOfIntervals=21600,variableFilter="Qh.1.|Qh.20.|Qh.2.|Qh.3.|Que.1.|Que.20.|Que.2.|Que.3.|Tu.1.|Tu.20.|Tu.2.|Tu.3.|der.Tu.1..|der.Tu.20..|der.Tu.2..|der.Tu.3..|der.x.1..|der.x.20..|der.x.2..|der.x.3..|time|time|u.1.|u.20.|u.2.|u.3.|x.1.|x.20.|x.2.|x.3.",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20") [Timeout 300] "Notification: ScalableTestSuite 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 0.002272/0.002272, allocations: 67.91 kB / 0.6088 GB, free: 8.633 MB / 446.3 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1713/0.1736, allocations: 85.87 MB / 0.6926 GB, free: 2.555 MB / 0.5139 GB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20): time 0.002943/0.1765, allocations: 1.372 MB / 0.6939 GB, free: 1.172 MB / 0.5139 GB Notification: Performance of NFInst.instExpressions: time 0.001201/0.1777, allocations: 0.5107 MB / 0.6944 GB, free: 0.6602 MB / 0.5139 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.216e-05/0.1778, allocations: 7.938 kB / 0.6945 GB, free: 0.6523 MB / 0.5139 GB Notification: Performance of NFTyping.typeComponents: time 9.311e-05/0.1779, allocations: 7.922 kB / 0.6945 GB, free: 0.6445 MB / 0.5139 GB Notification: Performance of NFTyping.typeBindings: time 0.0003817/0.1783, allocations: 67.72 kB / 0.6945 GB, free: 0.5781 MB / 0.5139 GB Notification: Performance of NFTyping.typeClassSections: time 0.0001619/0.1784, allocations: 35.89 kB / 0.6946 GB, free: 0.543 MB / 0.5139 GB Notification: Performance of NFFlatten.flatten: time 0.0006236/0.1791, allocations: 0.546 MB / 0.6951 GB, free: 15.99 MB / 0.5295 GB Notification: Performance of NFFlatten.resolveConnections: time 5.359e-05/0.1791, allocations: 8.125 kB / 0.6951 GB, free: 15.99 MB / 0.5295 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004387/0.1796, allocations: 211.6 kB / 0.6953 GB, free: 15.78 MB / 0.5295 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005324/0.1801, allocations: 271.5 kB / 0.6956 GB, free: 15.52 MB / 0.5295 GB Notification: Performance of NFPackage.collectConstants: time 0.0001246/0.1802, allocations: 32 kB / 0.6956 GB, free: 15.48 MB / 0.5295 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002102/0.1804, allocations: 47.98 kB / 0.6956 GB, free: 15.44 MB / 0.5295 GB Notification: Performance of NFScalarize.scalarize: time 0.0002964/0.1807, allocations: 239.4 kB / 0.6959 GB, free: 15.2 MB / 0.5295 GB Notification: Performance of NFVerifyModel.verify: time 0.0003656/0.1811, allocations: 211.1 kB / 0.6961 GB, free: 15 MB / 0.5295 GB Notification: Performance of NFConvertDAE.convert: time 0.0005493/0.1816, allocations: 450.2 kB / 0.6965 GB, free: 14.55 MB / 0.5295 GB Notification: Performance of FrontEnd - DAE generated: time 4.879e-06/0.1816, allocations: 0 / 0.6965 GB, free: 14.55 MB / 0.5295 GB Notification: Performance of FrontEnd: time 1.373e-06/0.1817, allocations: 0 / 0.6965 GB, free: 14.55 MB / 0.5295 GB Notification: Performance of Transformations before backend: time 2.141e-05/0.1817, allocations: 4 kB / 0.6965 GB, free: 14.55 MB / 0.5295 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 103 * Number of variables: 103 Notification: Performance of Generate backend data structure: time 0.001873/0.1835, allocations: 0.7589 MB / 0.6972 GB, free: 13.76 MB / 0.5295 GB Notification: Performance of prepare preOptimizeDAE: time 4.281e-05/0.1836, allocations: 12.03 kB / 0.6973 GB, free: 13.75 MB / 0.5295 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001242/0.1837, allocations: 44.7 kB / 0.6973 GB, free: 13.71 MB / 0.5295 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005486/0.1843, allocations: 269.4 kB / 0.6976 GB, free: 13.42 MB / 0.5295 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.38e-05/0.1843, allocations: 29 kB / 0.6976 GB, free: 13.39 MB / 0.5295 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001245/0.1844, allocations: 59.89 kB / 0.6976 GB, free: 13.33 MB / 0.5295 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001055/0.1855, allocations: 0.588 MB / 0.6982 GB, free: 12.73 MB / 0.5295 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.605e-05/0.1855, allocations: 3.938 kB / 0.6982 GB, free: 12.73 MB / 0.5295 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.061e-05/0.1855, allocations: 19.94 kB / 0.6982 GB, free: 12.71 MB / 0.5295 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.601e-05/0.1856, allocations: 12 kB / 0.6982 GB, free: 12.7 MB / 0.5295 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009651/0.1865, allocations: 0.5777 MB / 0.6988 GB, free: 12.12 MB / 0.5295 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007938/0.1873, allocations: 0.4925 MB / 0.6993 GB, free: 11.6 MB / 0.5295 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003286/0.1906, allocations: 1.319 MB / 0.7006 GB, free: 10.27 MB / 0.5295 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006727/0.1913, allocations: 431.6 kB / 0.701 GB, free: 9.848 MB / 0.5295 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001756/0.1914, allocations: 24.98 kB / 0.701 GB, free: 9.824 MB / 0.5295 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.662e-05/0.1915, allocations: 43.56 kB / 0.7011 GB, free: 9.773 MB / 0.5295 GB Notification: Performance of pre-optimization done (n=103): time 3.016e-06/0.1915, allocations: 0 / 0.7011 GB, free: 9.773 MB / 0.5295 GB Notification: Performance of matching and sorting (n=103): time 0.002381/0.1939, allocations: 1.35 MB / 0.7024 GB, free: 8.418 MB / 0.5295 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.433e-05/0.1939, allocations: 64.41 kB / 0.7024 GB, free: 8.344 MB / 0.5295 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001988/0.1941, allocations: 179.3 kB / 0.7026 GB, free: 8.16 MB / 0.5295 GB Notification: Performance of collectPreVariables (initialization): time 6.448e-05/0.1942, allocations: 45.7 kB / 0.7027 GB, free: 8.109 MB / 0.5295 GB Notification: Performance of collectInitialEqns (initialization): time 7.582e-05/0.1943, allocations: 106.1 kB / 0.7028 GB, free: 8 MB / 0.5295 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003741/0.1946, allocations: 424.4 kB / 0.7032 GB, free: 7.582 MB / 0.5295 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000296/0.1949, allocations: 199 kB / 0.7033 GB, free: 7.379 MB / 0.5295 GB Notification: Performance of setup shared object (initialization): time 0.0001884/0.1951, allocations: 362.8 kB / 0.7037 GB, free: 7.016 MB / 0.5295 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007861/0.1959, allocations: 478.3 kB / 0.7041 GB, free: 6.551 MB / 0.5295 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008147/0.1967, allocations: 491.5 kB / 0.7046 GB, free: 6.066 MB / 0.5295 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001803/0.1985, allocations: 1.048 MB / 0.7056 GB, free: 5.016 MB / 0.5295 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.772e-06/0.1985, allocations: 0 / 0.7056 GB, free: 5.016 MB / 0.5295 GB Notification: Performance of matching and sorting (n=144) (initialization): time 0.002267/0.2008, allocations: 1.238 MB / 0.7069 GB, free: 3.77 MB / 0.5295 GB Notification: Performance of prepare postOptimizeDAE: time 2.82e-05/0.2008, allocations: 8 kB / 0.7069 GB, free: 3.762 MB / 0.5295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.859e-06/0.2008, allocations: 0 / 0.7069 GB, free: 3.762 MB / 0.5295 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.99e-05/0.2009, allocations: 4 kB / 0.7069 GB, free: 3.758 MB / 0.5295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001092/0.202, allocations: 267.7 kB / 0.7071 GB, free: 3.496 MB / 0.5295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.168e-05/0.202, allocations: 15.86 kB / 0.7071 GB, free: 3.48 MB / 0.5295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004134/0.2024, allocations: 79.36 kB / 0.7072 GB, free: 3.402 MB / 0.5295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.216e-05/0.2025, allocations: 43.98 kB / 0.7073 GB, free: 3.359 MB / 0.5295 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * 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 (144): * Single equations (assignments): 144 * Array equations: 0 * 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 0.0003074/0.2028, allocations: 213.5 kB / 0.7075 GB, free: 3.141 MB / 0.5295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001085/0.2029, allocations: 47.72 kB / 0.7075 GB, free: 3.094 MB / 0.5295 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002583/0.2055, allocations: 1.388 MB / 0.7089 GB, free: 1.703 MB / 0.5295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.517e-05/0.2055, allocations: 12 kB / 0.7089 GB, free: 1.691 MB / 0.5295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.004e-06/0.2055, allocations: 0 / 0.7089 GB, free: 1.691 MB / 0.5295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.243e-05/0.2055, allocations: 3.984 kB / 0.7089 GB, free: 1.688 MB / 0.5295 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000968/0.2065, allocations: 0.5941 MB / 0.7095 GB, free: 1.062 MB / 0.5295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.003e-05/0.2065, allocations: 3.984 kB / 0.7095 GB, free: 1.059 MB / 0.5295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001435/0.208, allocations: 299.7 kB / 0.7097 GB, free: 0.7656 MB / 0.5295 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.213e-05/0.208, allocations: 4 kB / 0.7097 GB, free: 0.7617 MB / 0.5295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001156/0.2081, allocations: 55.95 kB / 0.7098 GB, free: 0.707 MB / 0.5295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.859e-06/0.2081, allocations: 4 kB / 0.7098 GB, free: 0.7031 MB / 0.5295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.823e-06/0.2081, allocations: 3.938 kB / 0.7098 GB, free: 0.6992 MB / 0.5295 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003028/0.2111, allocations: 1.859 MB / 0.7116 GB, free: 14.82 MB / 0.5452 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004716/0.2116, allocations: 179.1 kB / 0.7118 GB, free: 14.64 MB / 0.5452 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000123/0.2117, allocations: 39.97 kB / 0.7118 GB, free: 14.6 MB / 0.5452 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003715/0.2121, allocations: 28 kB / 0.7119 GB, free: 14.57 MB / 0.5452 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001474/0.2122, allocations: 85.14 kB / 0.7119 GB, free: 14.49 MB / 0.5452 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.76e-05/0.2123, allocations: 39.98 kB / 0.712 GB, free: 14.45 MB / 0.5452 GB Notification: Performance of sorting global known variables: time 0.0001365/0.2125, allocations: 131.2 kB / 0.7121 GB, free: 14.32 MB / 0.5452 GB Notification: Performance of sort global known variables: time 7e-08/0.2125, allocations: 0 / 0.7121 GB, free: 14.32 MB / 0.5452 GB Notification: Performance of remove unused functions: time 0.0006149/0.2131, allocations: 235.9 kB / 0.7123 GB, free: 14.09 MB / 0.5452 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 41 (Td,Tu[1],Tu[2],Tu[3],Tu[4],Tu[5],Tu[6],Tu[7],Tu[8],Tu[9],Tu[10],Tu[11],Tu[12],Tu[13],Tu[14],Tu[15],Tu[16],Tu[17],Tu[18],Tu[19],Tu[20],x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10],x[11],x[12],x[13],x[14],x[15],x[16],x[17],x[18],x[19],x[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 (144): * Single equations (assignments): 144 * Array equations: 0 * 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 0.0003134/0.2134, allocations: 160.8 kB / 0.7125 GB, free: 13.93 MB / 0.5452 GB Notification: Performance of simCode: created initialization part: time 0.002038/0.2154, allocations: 1.092 MB / 0.7135 GB, free: 12.84 MB / 0.5452 GB Notification: Performance of simCode: created event and clocks part: time 2.865e-06/0.2154, allocations: 0 / 0.7135 GB, free: 12.84 MB / 0.5452 GB Notification: Performance of simCode: created simulation system equations: time 0.001019/0.2165, allocations: 0.6007 MB / 0.7141 GB, free: 12.23 MB / 0.5452 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004968/0.217, allocations: 107.9 kB / 0.7142 GB, free: 12.13 MB / 0.5452 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00463/0.2216, allocations: 2.85 MB / 0.717 GB, free: 9.242 MB / 0.5452 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003886/0.222, allocations: 326.3 kB / 0.7173 GB, free: 8.902 MB / 0.5452 GB Notification: Performance of simCode: alias equations: time 0.0009007/0.2229, allocations: 372.8 kB / 0.7177 GB, free: 8.535 MB / 0.5452 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003343/0.2232, allocations: 91.41 kB / 0.7178 GB, free: 8.445 MB / 0.5452 GB Notification: Performance of SimCode: time 9.41e-07/0.2232, allocations: 4 kB / 0.7178 GB, free: 8.441 MB / 0.5452 GB Notification: Performance of Templates: time 0.01943/0.2427, allocations: 10.44 MB / 0.728 GB, free: 14.08 MB / 0.5608 GB " [Timeout remaining time 300] make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.makefile [Timeout 300] (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20 -s=ida -abortSlowSimulation -alarm=300 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe 2>&1) [Timeout 300] diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_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: 16.327684299089015]