Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.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 0.001333/0.001333, allocations: 124.5 kB / 17.79 MB, free: 5.246 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 0.001413/0.001413, allocations: 207.2 kB / 20.75 MB, free: 2.297 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 1.466/1.466, allocations: 230.6 MB / 254.1 MB, free: 15.07 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 0.2291/0.2291, allocations: 46.92 MB / 357.1 MB, free: 10.3 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.LinearFluid.LinearWater_pT,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_LinearFluid_LinearWater_pT",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_LinearFluid_LinearWater_pT",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001897/0.001897, allocations: 67.89 kB / 0.4909 GB, free: 7.914 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1324/0.1343, allocations: 65.99 MB / 0.5554 GB, free: 5.801 MB / 414.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT): time 0.3445/0.4787, allocations: 44.3 MB / 0.5986 GB, free: 3.738 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.00664/0.4854, allocations: 4.385 MB / 0.6029 GB, free: 3.695 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008742/0.4863, allocations: 26.47 kB / 0.603 GB, free: 3.695 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001031/0.4873, allocations: 326.4 kB / 0.6033 GB, free: 3.691 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002381/0.4897, allocations: 0.8742 MB / 0.6041 GB, free: 3.68 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002793/0.4925, allocations: 0.8799 MB / 0.605 GB, free: 3.656 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.003003/0.4955, allocations: 1.799 MB / 0.6067 GB, free: 3.648 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0009181/0.4964, allocations: 421.8 kB / 0.6071 GB, free: 3.633 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0953/0.5917, allocations: 44.68 MB / 0.6508 GB, free: 9.832 MB / 478.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01813/0.6098, allocations: 8.021 MB / 0.6586 GB, free: 1.824 MB / 478.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002601/0.6101, allocations: 60 kB / 0.6587 GB, free: 1.766 MB / 478.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.02476/0.6348, allocations: 10.71 MB / 0.6691 GB, free: 7.02 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0006141/0.6354, allocations: 264.4 kB / 0.6694 GB, free: 6.766 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0008304/0.6363, allocations: 394.6 kB / 0.6697 GB, free: 6.383 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001919/0.6382, allocations: 1.088 MB / 0.6708 GB, free: 5.336 MB / 494.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.088e-06/0.6382, allocations: 0 / 0.6708 GB, free: 5.336 MB / 494.1 MB Notification: Performance of FrontEnd: time 1.412e-06/0.6382, allocations: 0 / 0.6708 GB, free: 5.336 MB / 494.1 MB Notification: Performance of Transformations before backend: time 1.271e-05/0.6382, allocations: 0 / 0.6708 GB, free: 5.336 MB / 494.1 MB 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 0.002299/0.6405, allocations: 1.076 MB / 0.6719 GB, free: 4.219 MB / 494.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.365e-05/0.6405, allocations: 8.031 kB / 0.6719 GB, free: 4.211 MB / 494.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001396/0.6407, allocations: 97.67 kB / 0.672 GB, free: 4.109 MB / 494.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003596/0.641, allocations: 94.27 kB / 0.672 GB, free: 4.02 MB / 494.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008718/0.6419, allocations: 0.5311 MB / 0.6726 GB, free: 3.457 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000117/0.642, allocations: 105.1 kB / 0.6727 GB, free: 3.344 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 9.483e-05/0.6421, allocations: 51.3 kB / 0.6727 GB, free: 3.297 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001337/0.6435, allocations: 0.8186 MB / 0.6735 GB, free: 2.406 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.139e-05/0.6435, allocations: 3.938 kB / 0.6735 GB, free: 2.402 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.498e-05/0.6436, allocations: 27.36 kB / 0.6735 GB, free: 2.379 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.899e-05/0.6436, allocations: 32.98 kB / 0.6736 GB, free: 2.348 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001129/0.6448, allocations: 0.6478 MB / 0.6742 GB, free: 1.699 MB / 494.1 MB 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 0.005227/0.65, allocations: 4.225 MB / 0.6783 GB, free: 13.22 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0009262/0.6509, allocations: 392 kB / 0.6787 GB, free: 12.83 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003382/0.6512, allocations: 193.4 kB / 0.6789 GB, free: 12.64 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005328/0.6518, allocations: 0.4977 MB / 0.6794 GB, free: 12.03 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.792e-05/0.6518, allocations: 38.89 kB / 0.6794 GB, free: 11.98 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=40): time 2.114e-06/0.6518, allocations: 0 / 0.6794 GB, free: 11.98 MB / 0.4981 GB Notification: Performance of matching and sorting (n=45): time 0.00339/0.6552, allocations: 1.542 MB / 0.6809 GB, free: 10.38 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.697e-05/0.6553, allocations: 136.5 kB / 0.6811 GB, free: 10.21 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000756/0.6561, allocations: 0.573 MB / 0.6816 GB, free: 9.633 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 4.98e-05/0.6561, allocations: 37.7 kB / 0.6816 GB, free: 9.59 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003189/0.6564, allocations: 353.2 kB / 0.682 GB, free: 9.238 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001574/0.6566, allocations: 176.4 kB / 0.6822 GB, free: 9.07 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002275/0.6568, allocations: 138.6 kB / 0.6823 GB, free: 8.93 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0002116/0.657, allocations: 379.7 kB / 0.6826 GB, free: 8.551 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004279/0.6574, allocations: 225.9 kB / 0.6829 GB, free: 8.328 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007041/0.6581, allocations: 0.5175 MB / 0.6834 GB, free: 7.672 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00121/0.6594, allocations: 0.7871 MB / 0.6841 GB, free: 6.758 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.196e-06/0.6594, allocations: 4 kB / 0.6841 GB, free: 6.754 MB / 0.4981 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.002006/0.6614, allocations: 0.9332 MB / 0.6851 GB, free: 5.812 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 2.408e-05/0.6614, allocations: 8 kB / 0.6851 GB, free: 5.805 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.641e-05/0.6614, allocations: 13.78 kB / 0.6851 GB, free: 5.793 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001189/0.6626, allocations: 269.1 kB / 0.6853 GB, free: 5.531 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004312/0.663, allocations: 127.8 kB / 0.6855 GB, free: 5.406 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001122/0.6642, allocations: 0.8701 MB / 0.6863 GB, free: 4.516 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005054/0.6647, allocations: 31.92 kB / 0.6863 GB, free: 4.484 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.322e-05/0.6647, allocations: 32 kB / 0.6864 GB, free: 4.453 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 42 * 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 (73): * Single equations (assignments): 72 * 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 {(2,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0003758/0.6651, allocations: 255.8 kB / 0.6866 GB, free: 4.195 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001464/0.6653, allocations: 67.58 kB / 0.6867 GB, free: 4.129 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001502/0.6668, allocations: 0.7103 MB / 0.6874 GB, free: 3.422 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.313e-05/0.6668, allocations: 8 kB / 0.6874 GB, free: 3.414 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.636e-06/0.6668, allocations: 4 kB / 0.6874 GB, free: 3.41 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.724e-06/0.6668, allocations: 3.984 kB / 0.6874 GB, free: 3.406 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002383/0.6692, allocations: 1.401 MB / 0.6887 GB, free: 1.938 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.571e-06/0.6692, allocations: 0 / 0.6887 GB, free: 1.938 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001049/0.6702, allocations: 191.8 kB / 0.6889 GB, free: 1.75 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002643/0.6705, allocations: 57 kB / 0.689 GB, free: 1.691 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.543e-05/0.6705, allocations: 16 kB / 0.689 GB, free: 1.676 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00274/0.6733, allocations: 2.987 MB / 0.6919 GB, free: 14.41 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.615e-06/0.6733, allocations: 0 / 0.6919 GB, free: 14.41 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001739/0.675, allocations: 0.9974 MB / 0.6929 GB, free: 13.37 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003508/0.6754, allocations: 204.7 kB / 0.6931 GB, free: 13.15 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001207/0.6755, allocations: 13.81 kB / 0.6931 GB, free: 13.14 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004067/0.6759, allocations: 11.98 kB / 0.6931 GB, free: 13.13 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001066/0.676, allocations: 47.83 kB / 0.6932 GB, free: 13.08 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.942e-05/0.6761, allocations: 19.98 kB / 0.6932 GB, free: 13.06 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.0005852/0.6766, allocations: 415.1 kB / 0.6936 GB, free: 12.65 MB / 0.5137 GB Notification: Performance of sort global known variables: time 8e-08/0.6766, allocations: 0 / 0.6936 GB, free: 12.65 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.0008529/0.6775, allocations: 211.9 kB / 0.6938 GB, free: 12.45 MB / 0.5137 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (47): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002407/0.6799, allocations: 1.656 MB / 0.6954 GB, free: 10.75 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.001318/0.6812, allocations: 0.5854 MB / 0.696 GB, free: 10.16 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 4.608e-06/0.6812, allocations: 0 / 0.696 GB, free: 10.16 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.001282/0.6825, allocations: 478.8 kB / 0.6964 GB, free: 9.68 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001785/0.6843, allocations: 382.1 kB / 0.6968 GB, free: 9.32 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01131/0.6956, allocations: 6.535 MB / 0.7032 GB, free: 2.41 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00073/0.6963, allocations: 0.9346 MB / 0.7041 GB, free: 1.445 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.0007429/0.6971, allocations: 215.6 kB / 0.7043 GB, free: 1.246 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004115/0.6975, allocations: 231.4 kB / 0.7045 GB, free: 1.02 MB / 0.5137 GB Notification: Performance of SimCode: time 1.002e-06/0.6975, allocations: 4 kB / 0.7045 GB, free: 1.016 MB / 0.5137 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0673/0.7648, allocations: 22.22 MB / 0.7262 GB, free: 11.12 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.59/14.35, allocations: 12.44 kB / 0.7262 GB, free: 11.11 MB / 0.545 GB " [Timeout remaining time 646] (rm -f ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT_res.mat --tempDir=temp_ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_LinearFluid_LinearWater_pT_fmu --startTime=0 --stopTime=1.01 --stepSize=0.000201919 --timeout=50 --tolerance=1e-06 ModelicaTest_4_1_0_ModelicaTest_Media_TestsWithFluid_MediaTestModels_LinearFluid_LinearWater_pT.fmu > ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/Media/TestsWithFluid/MediaTestModels/LinearFluid/LinearWater_pT/LinearWater_pT.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.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: 17.536615720018744]