Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Examples.Performance.Example3.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001335/0.001335, allocations: 110.5 kB / 17.6 MB, free: 4.684 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001292/0.001292, allocations: 186.8 kB / 20.78 MB, free: 1.52 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.414/1.414, allocations: 225.6 MB / 249.4 MB, free: 3.285 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.72/2.72, allocations: 476.7 MB / 0.7629 GB, free: 15.27 MB / 0.6075 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Fluid.Examples.Performance.Example3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pump.m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.Examples.Performance.Example3") translateModel(Buildings.Fluid.Examples.Performance.Example3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pump.m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.Examples.Performance.Example3") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002324/0.002324, allocations: 63.91 kB / 1.107 GB, free: 4.605 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.093/1.095, allocations: 168.7 MB / 1.272 GB, free: 7.922 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example3): time 0.04047/1.136, allocations: 33.77 MB / 1.305 GB, free: 15.98 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.02124/1.157, allocations: 12.43 MB / 1.317 GB, free: 7.285 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002279/1.159, allocations: 51.19 kB / 1.317 GB, free: 7.27 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.005533/1.165, allocations: 1.543 MB / 1.319 GB, free: 6.617 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0063/1.171, allocations: 1.785 MB / 1.32 GB, free: 5.586 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.00548/1.177, allocations: 1.523 MB / 1.322 GB, free: 4.812 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.01404/1.191, allocations: 7.847 MB / 1.33 GB, free: 1.789 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003329/1.194, allocations: 1.638 MB / 1.331 GB, free: 1.012 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006082/1.2, allocations: 1.949 MB / 1.333 GB, free: 184 kB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003851/1.204, allocations: 1.507 MB / 1.334 GB, free: 15.51 MB / 1.045 GB Notification: Performance of NFPackage.collectConstants: time 0.0005755/1.205, allocations: 151.3 kB / 1.335 GB, free: 15.51 MB / 1.045 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004411/1.209, allocations: 1.378 MB / 1.336 GB, free: 15.11 MB / 1.045 GB Notification: Performance of NFScalarize.scalarize: time 0.00088/1.21, allocations: 0.6272 MB / 1.337 GB, free: 14.79 MB / 1.045 GB Notification: Performance of NFVerifyModel.verify: time 0.002219/1.212, allocations: 1.198 MB / 1.338 GB, free: 14.06 MB / 1.045 GB Notification: Performance of NFConvertDAE.convert: time 0.008682/1.221, allocations: 3.556 MB / 1.341 GB, free: 12.73 MB / 1.045 GB Notification: Performance of FrontEnd - DAE generated: time 6.993e-06/1.221, allocations: 5.156 kB / 1.341 GB, free: 12.73 MB / 1.045 GB Notification: Performance of FrontEnd: time 2.174e-06/1.221, allocations: 0 / 1.341 GB, free: 12.73 MB / 1.045 GB Notification: Performance of Transformations before backend: time 8.708e-05/1.221, allocations: 0.75 kB / 1.341 GB, free: 12.73 MB / 1.045 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 239 * Number of variables: 239 Notification: Performance of Generate backend data structure: time 0.006437/1.227, allocations: 2.885 MB / 1.344 GB, free: 10.82 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 4.815e-05/1.227, allocations: 9.812 kB / 1.344 GB, free: 10.82 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002382/1.23, allocations: 448.3 kB / 1.345 GB, free: 10.66 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006344/1.236, allocations: 2.776 MB / 1.347 GB, free: 9.289 MB / 1.045 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001188/1.236, allocations: 79 kB / 1.347 GB, free: 9.258 MB / 1.045 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000252/1.236, allocations: 106.3 kB / 1.347 GB, free: 9.227 MB / 1.045 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002959/1.239, allocations: 1.33 MB / 1.349 GB, free: 8.504 MB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.625e-05/1.239, allocations: 10.56 kB / 1.349 GB, free: 8.496 MB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001237/1.24, allocations: 38.03 kB / 1.349 GB, free: 8.469 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.448e-05/1.24, allocations: 28.69 kB / 1.349 GB, free: 8.465 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002598/1.242, allocations: 1.024 MB / 1.35 GB, free: 7.953 MB / 1.045 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 0.01157/1.254, allocations: 6.931 MB / 1.357 GB, free: 1.902 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001529/1.255, allocations: 0.5633 MB / 1.357 GB, free: 1.609 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007966/1.256, allocations: 363.7 kB / 1.357 GB, free: 1.434 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003883/1.26, allocations: 1.701 MB / 1.359 GB, free: 15.96 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008404/1.261, allocations: 364.6 kB / 1.359 GB, free: 15.73 MB / 1.061 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0008731/1.262, allocations: 112.7 kB / 1.36 GB, free: 15.66 MB / 1.061 GB Notification: Performance of pre-optimization done (n=44): time 2.575e-06/1.262, allocations: 0 / 1.36 GB, free: 15.66 MB / 1.061 GB Notification: Performance of matching and sorting (n=44): time 0.003969/1.266, allocations: 1.368 MB / 1.361 GB, free: 14.9 MB / 1.061 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.469e-05/1.266, allocations: 57.03 kB / 1.361 GB, free: 14.84 MB / 1.061 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00384/1.27, allocations: 2.387 MB / 1.363 GB, free: 13.57 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 0.0001053/1.27, allocations: 39.8 kB / 1.363 GB, free: 13.53 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.001085/1.271, allocations: 1.007 MB / 1.364 GB, free: 12.65 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002013/1.271, allocations: 174.8 kB / 1.364 GB, free: 12.5 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004566/1.271, allocations: 296.8 kB / 1.365 GB, free: 12.34 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 0.0001931/1.272, allocations: 359.3 kB / 1.365 GB, free: 11.99 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009972/1.273, allocations: 0.4961 MB / 1.366 GB, free: 11.74 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001461/1.274, allocations: 0.988 MB / 1.367 GB, free: 10.85 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00218/1.276, allocations: 1.345 MB / 1.368 GB, free: 9.879 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.408e-06/1.276, allocations: 3.75 kB / 1.368 GB, free: 9.879 MB / 1.061 GB Notification: Performance of matching and sorting (n=164) (initialization): time 0.003981/1.28, allocations: 1.797 MB / 1.37 GB, free: 8.945 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 6.139e-05/1.28, allocations: 48.56 kB / 1.37 GB, free: 8.902 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.055e-05/1.28, allocations: 10.81 kB / 1.37 GB, free: 8.902 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007302/1.281, allocations: 193.4 kB / 1.37 GB, free: 8.82 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008678/1.282, allocations: 227.3 kB / 1.37 GB, free: 8.762 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008362/1.283, allocations: 0.7638 MB / 1.371 GB, free: 8.113 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00183/1.285, allocations: 72.36 kB / 1.371 GB, free: 8.082 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001264/1.285, allocations: 59.59 kB / 1.371 GB, free: 8.066 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002222/1.287, allocations: 1.022 MB / 1.372 GB, free: 7.484 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001407/1.288, allocations: 0.9708 MB / 1.373 GB, free: 6.602 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002054/1.29, allocations: 1.302 MB / 1.374 GB, free: 5.645 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.416e-06/1.29, allocations: 7 kB / 1.374 GB, free: 5.641 MB / 1.061 GB Notification: Performance of matching and sorting (n=164) (initialization_lambda0): time 0.0036/1.294, allocations: 1.796 MB / 1.376 GB, free: 4.656 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 4.499e-05/1.294, allocations: 36.98 kB / 1.376 GB, free: 4.625 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.766e-05/1.294, allocations: 14.7 kB / 1.376 GB, free: 4.621 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002714/1.294, allocations: 127.3 kB / 1.376 GB, free: 4.57 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008212/1.295, allocations: 220.6 kB / 1.376 GB, free: 4.516 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002533/1.298, allocations: 2.322 MB / 1.379 GB, free: 2.484 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001792/1.299, allocations: 90.44 kB / 1.379 GB, free: 2.441 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001072/1.3, allocations: 53.55 kB / 1.379 GB, free: 2.43 MB / 1.061 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 50 * Number of states: 0 () * Number of discrete variables: 8 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,nRes.y,from_dp.y,mergeDp.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (118): * Single equations (assignments): 114 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 1 * 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 {(1,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0004301/1.3, allocations: 255.6 kB / 1.379 GB, free: 2.195 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000364/1.3, allocations: 226.5 kB / 1.379 GB, free: 2.066 MB / 1.061 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0026/1.303, allocations: 1.029 MB / 1.38 GB, free: 1.488 MB / 1.061 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.752e-05/1.303, allocations: 8.297 kB / 1.38 GB, free: 1.484 MB / 1.061 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.325e-06/1.303, allocations: 5 kB / 1.38 GB, free: 1.48 MB / 1.061 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001783/1.305, allocations: 0.9599 MB / 1.381 GB, free: 0.7891 MB / 1.061 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004804/1.31, allocations: 2.304 MB / 1.383 GB, free: 15.27 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.091e-06/1.31, allocations: 1.375 kB / 1.383 GB, free: 15.27 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005013/1.31, allocations: 89.73 kB / 1.383 GB, free: 15.25 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003309/1.31, allocations: 124.7 kB / 1.384 GB, free: 15.18 MB / 1.076 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.851e-05/1.31, allocations: 22.92 kB / 1.384 GB, free: 15.17 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000731/1.311, allocations: 0.7307 MB / 1.384 GB, free: 14.54 MB / 1.076 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.519e-06/1.311, allocations: 4.969 kB / 1.384 GB, free: 14.53 MB / 1.076 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00322/1.314, allocations: 1.413 MB / 1.386 GB, free: 13.7 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001096/1.315, allocations: 367.1 kB / 1.386 GB, free: 13.41 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002604/1.316, allocations: 11.81 kB / 1.386 GB, free: 13.4 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008168/1.317, allocations: 48.33 kB / 1.386 GB, free: 13.38 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001185/1.317, allocations: 33.17 kB / 1.386 GB, free: 13.36 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.652e-05/1.317, allocations: 31.56 kB / 1.386 GB, free: 13.34 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.00306/1.32, allocations: 1.624 MB / 1.388 GB, free: 12.35 MB / 1.076 GB Notification: Performance of sort global known variables: time 1.2e-07/1.32, allocations: 0 / 1.388 GB, free: 12.35 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.003895/1.324, allocations: 0.9632 MB / 1.389 GB, free: 11.39 MB / 1.076 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (pump.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (38): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * When equations: 2 * 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 {(1,12)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001663/1.325, allocations: 0.5136 MB / 1.389 GB, free: 10.87 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.00393/1.329, allocations: 1.881 MB / 1.391 GB, free: 8.957 MB / 1.076 GB Notification: Performance of simCode: created event and clocks part: time 5.35e-06/1.329, allocations: 4.125 kB / 1.391 GB, free: 8.953 MB / 1.076 GB Notification: Performance of simCode: created simulation system equations: time 0.0007908/1.33, allocations: 310.3 kB / 1.391 GB, free: 8.652 MB / 1.076 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004361/1.334, allocations: 0.9767 MB / 1.392 GB, free: 7.695 MB / 1.076 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008086/1.343, allocations: 3.729 MB / 1.396 GB, free: 3.922 MB / 1.076 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001483/1.344, allocations: 1.681 MB / 1.398 GB, free: 2.207 MB / 1.076 GB Notification: Performance of simCode: alias equations: time 0.002217/1.346, allocations: 0.5475 MB / 1.398 GB, free: 1.656 MB / 1.076 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003987/1.347, allocations: 155.4 kB / 1.398 GB, free: 1.504 MB / 1.076 GB Notification: Performance of SimCode: time 1.883e-06/1.347, allocations: 0 / 1.398 GB, free: 1.504 MB / 1.076 GB Notification: Performance of Templates: time 0.07553/1.422, allocations: 40.28 MB / 1.438 GB, free: 9.73 MB / 1.123 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Fluid.Examples.Performance.Example3.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.Examples.Performance.Example3.pipe ; mkfifo Buildings_11_Buildings.Fluid.Examples.Performance.Example3.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Examples.Performance.Example3.pipe >> ../files/Buildings_11_Buildings.Fluid.Examples.Performance.Example3.sim & ./Buildings_11_Buildings.Fluid.Examples.Performance.Example3 -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.Examples.Performance.Example3.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Fluid.Examples.Performance.Example3_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_Examples_Performance_Example3.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.Examples.Performance.Example3.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: 10.394754397682846]