Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa.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 0.001671/0.001671, allocations: 122.2 kB / 18.5 MB, free: 4.562 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 0.001423/0.001423, allocations: 215.1 kB / 21.45 MB, free: 1.617 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 1.446/1.446, allocations: 230.6 MB / 254.8 MB, free: 15.25 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo): time 0.2363/0.2363, allocations: 46.92 MB / 357.8 MB, free: 10.32 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+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.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_Air_DryAirNasa",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_Air_DryAirNasa",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.002087/0.002087, allocations: 63.89 kB / 0.4916 GB, free: 7.941 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1359/0.138, allocations: 66 MB / 0.5561 GB, free: 5.816 MB / 414.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa): time 0.4722/0.6102, allocations: 177.9 MB / 0.7298 GB, free: 15.46 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.008831/0.619, allocations: 5.339 MB / 0.735 GB, free: 10.1 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007933/0.6198, allocations: 27.75 kB / 0.735 GB, free: 10.07 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.001132/0.6209, allocations: 326 kB / 0.7353 GB, free: 9.754 MB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.003527/0.6245, allocations: 1.275 MB / 0.7366 GB, free: 8.48 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.0026/0.6271, allocations: 0.9537 MB / 0.7375 GB, free: 7.535 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.002549/0.6296, allocations: 1.86 MB / 0.7393 GB, free: 5.668 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006865/0.6303, allocations: 413.4 kB / 0.7397 GB, free: 5.262 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002411/0.6327, allocations: 1.098 MB / 0.7408 GB, free: 4.16 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001078/0.6338, allocations: 0.6968 MB / 0.7415 GB, free: 3.461 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 0.0001207/0.6339, allocations: 64 kB / 0.7415 GB, free: 3.398 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001483/0.6354, allocations: 0.6333 MB / 0.7421 GB, free: 2.766 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0003121/0.6357, allocations: 271.1 kB / 0.7424 GB, free: 2.5 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0004829/0.6362, allocations: 402.1 kB / 0.7428 GB, free: 2.105 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.002043/0.6382, allocations: 1.312 MB / 0.7441 GB, free: 0.7891 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 4.799e-06/0.6382, allocations: 0 / 0.7441 GB, free: 0.7891 MB / 0.545 GB Notification: Performance of FrontEnd: time 3.657e-06/0.6382, allocations: 3.984 kB / 0.7441 GB, free: 0.7852 MB / 0.545 GB Notification: Performance of Transformations before backend: time 1.236e-05/0.6382, allocations: 0 / 0.7441 GB, free: 0.7852 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 130 * Number of variables: 130 Notification: Performance of Generate backend data structure: time 0.002487/0.6407, allocations: 1.109 MB / 0.7452 GB, free: 15.62 MB / 0.5606 GB Notification: Performance of prepare preOptimizeDAE: time 3.973e-05/0.6408, allocations: 15.97 kB / 0.7452 GB, free: 15.61 MB / 0.5606 GB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 2.82e-05/0.6408, allocations: 13 kB / 0.7452 GB, free: 15.59 MB / 0.5606 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000141/0.6409, allocations: 97.64 kB / 0.7453 GB, free: 15.49 MB / 0.5606 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008459/0.6418, allocations: 147.4 kB / 0.7454 GB, free: 15.35 MB / 0.5606 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009343/0.6427, allocations: 0.5356 MB / 0.7459 GB, free: 14.77 MB / 0.5606 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001145/0.6428, allocations: 96.41 kB / 0.746 GB, free: 14.66 MB / 0.5606 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001024/0.6429, allocations: 55.98 kB / 0.7461 GB, free: 14.61 MB / 0.5606 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001362/0.6443, allocations: 0.8097 MB / 0.7469 GB, free: 13.73 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.388e-05/0.6443, allocations: 3.938 kB / 0.7469 GB, free: 13.72 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.907e-05/0.6444, allocations: 24 kB / 0.7469 GB, free: 13.7 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.748e-05/0.6445, allocations: 40.92 kB / 0.7469 GB, free: 13.66 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001136/0.6456, allocations: 0.6205 MB / 0.7476 GB, free: 13.04 MB / 0.5606 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004977/0.6506, allocations: 3.937 MB / 0.7514 GB, free: 8.855 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006397/0.6512, allocations: 345.8 kB / 0.7517 GB, free: 8.512 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002987/0.6515, allocations: 169.2 kB / 0.7519 GB, free: 8.344 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001404/0.6517, allocations: 93.36 kB / 0.752 GB, free: 8.234 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.965e-05/0.6517, allocations: 38.84 kB / 0.752 GB, free: 8.188 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=34): time 1.714e-06/0.6517, allocations: 0 / 0.752 GB, free: 8.188 MB / 0.5606 GB Notification: Performance of matching and sorting (n=39): time 0.006296/0.658, allocations: 1.683 MB / 0.7537 GB, free: 6.438 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001064/0.6581, allocations: 136.5 kB / 0.7538 GB, free: 6.273 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001073/0.6592, allocations: 0.6056 MB / 0.7544 GB, free: 5.656 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 5.336e-05/0.6592, allocations: 41.7 kB / 0.7544 GB, free: 5.609 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003118/0.6595, allocations: 379.8 kB / 0.7548 GB, free: 5.234 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001485/0.6597, allocations: 146.7 kB / 0.7549 GB, free: 5.09 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002402/0.6599, allocations: 162.6 kB / 0.7551 GB, free: 4.926 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0003171/0.6603, allocations: 370.8 kB / 0.7554 GB, free: 4.555 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003963/0.6606, allocations: 205.9 kB / 0.7556 GB, free: 4.355 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006718/0.6613, allocations: 0.5163 MB / 0.7561 GB, free: 3.684 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001139/0.6625, allocations: 0.7438 MB / 0.7569 GB, free: 2.801 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.453e-05/0.6625, allocations: 3.984 kB / 0.7569 GB, free: 2.797 MB / 0.5606 GB Notification: Performance of matching and sorting (n=85) (initialization): time 0.001617/0.6641, allocations: 0.8834 MB / 0.7577 GB, free: 1.902 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 3.261e-05/0.6641, allocations: 15.94 kB / 0.7577 GB, free: 1.887 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.319e-05/0.6641, allocations: 8.906 kB / 0.7577 GB, free: 1.879 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001434/0.6656, allocations: 329.8 kB / 0.7581 GB, free: 1.555 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004193/0.666, allocations: 115.8 kB / 0.7582 GB, free: 1.441 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001258/0.6672, allocations: 0.9364 MB / 0.7591 GB, free: 492 kB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005005/0.6677, allocations: 28 kB / 0.7591 GB, free: 464 kB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001046/0.6679, allocations: 63.98 kB / 0.7592 GB, free: 400 kB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 45 * Number of states: 0 () * Number of discrete variables: 4 (volume.regularFlow[1],volume.regularFlow[2],volume.inFlow[2],volume.inFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (67): * Single equations (assignments): 66 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,17)} Notification: Performance of prepare postOptimizeDAE: time 0.0003896/0.6682, allocations: 245.6 kB / 0.7594 GB, free: 144 kB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001388/0.6684, allocations: 67.58 kB / 0.7595 GB, free: 76 kB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001809/0.6702, allocations: 0.8604 MB / 0.7603 GB, free: 15.19 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.759e-06/0.6702, allocations: 7.984 kB / 0.7603 GB, free: 15.18 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.772e-06/0.6702, allocations: 0 / 0.7603 GB, free: 15.18 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.711e-06/0.6702, allocations: 0 / 0.7603 GB, free: 15.18 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002335/0.6725, allocations: 1.469 MB / 0.7618 GB, free: 13.59 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.526e-06/0.6725, allocations: 3.938 kB / 0.7618 GB, free: 13.58 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001118/0.6737, allocations: 207.8 kB / 0.762 GB, free: 13.38 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.608e-05/0.6738, allocations: 25.02 kB / 0.762 GB, free: 13.35 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.925e-05/0.6738, allocations: 23.98 kB / 0.762 GB, free: 13.33 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002524/0.6763, allocations: 2.874 MB / 0.7648 GB, free: 10.17 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.835e-06/0.6763, allocations: 0 / 0.7648 GB, free: 10.17 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001409/0.6777, allocations: 0.823 MB / 0.7656 GB, free: 9.312 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003043/0.6781, allocations: 188.7 kB / 0.7658 GB, free: 9.109 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.96e-05/0.6781, allocations: 8 kB / 0.7658 GB, free: 9.102 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003862/0.6785, allocations: 20 kB / 0.7658 GB, free: 9.082 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001086/0.6786, allocations: 47.95 kB / 0.7659 GB, free: 9.035 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.751e-05/0.6787, allocations: 39.98 kB / 0.7659 GB, free: 8.996 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0005722/0.6793, allocations: 439 kB / 0.7663 GB, free: 8.574 MB / 0.5762 GB Notification: Performance of sort global known variables: time 9e-08/0.6793, allocations: 0 / 0.7663 GB, free: 8.574 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.0009707/0.6803, allocations: 259.7 kB / 0.7666 GB, free: 8.32 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 2 (volume.medium.p,volume.medium.T) * 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 (39): * Single equations (assignments): 37 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002382/0.6826, allocations: 1.557 MB / 0.7681 GB, free: 6.719 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.001235/0.6839, allocations: 0.5389 MB / 0.7686 GB, free: 6.184 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 3.576e-06/0.6839, allocations: 0 / 0.7686 GB, free: 6.184 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001117/0.685, allocations: 410.7 kB / 0.769 GB, free: 5.77 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001889/0.6869, allocations: 367.4 kB / 0.7694 GB, free: 5.418 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01106/0.6979, allocations: 6.318 MB / 0.7755 GB, free: 14.7 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000636/0.6986, allocations: 0.9337 MB / 0.7764 GB, free: 13.73 MB / 0.5919 GB Notification: Performance of simCode: alias equations: time 0.001171/0.6998, allocations: 466.1 kB / 0.7769 GB, free: 13.28 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005447/0.7003, allocations: 283.3 kB / 0.7772 GB, free: 13 MB / 0.5919 GB Notification: Performance of SimCode: time 1.222e-06/0.7003, allocations: 0 / 0.7772 GB, free: 13 MB / 0.5919 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05856/0.7589, allocations: 24.53 MB / 0.8011 GB, free: 4.758 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.18/13.94, allocations: 7.938 kB / 0.8011 GB, free: 4.75 MB / 0.6075 GB " [Timeout remaining time 646] (rm -f ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa_res.mat --tempDir=temp_ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_Air_DryAirNasa_fmu --startTime=0 --stopTime=1.01 --stepSize=0.000201919 --timeout=50 --tolerance=1e-06 ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_Air_DryAirNasa.fmu > ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/Media/TestsWithFluid/MediaTestModels/Air/DryAirNasa/DryAirNasa.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Air.DryAirNasa.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: 17.402833235973958]