Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.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 0.001598/0.001598, allocations: 107.7 kB / 17.08 MB, free: 6.012 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 0.001608/0.001608, allocations: 194.2 kB / 20.03 MB, free: 3.082 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 1.441/1.441, allocations: 222.9 MB / 245.7 MB, free: 4.223 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.97/2.97, allocations: 490 MB / 0.7695 GB, free: 3.098 MB / 0.6075 GB " [Timeout remaining time 176] Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/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.Movers.Validation.FlowControlled_m_flow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|gain.u|floMacSta.dpMachine|floMacDyn.dpMachine|floMacSta.VMachine_flow|floMacDyn.VMachine_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow") translateModel(Buildings.Fluid.Movers.Validation.FlowControlled_m_flow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|gain.u|floMacSta.dpMachine|floMacDyn.dpMachine|floMacSta.VMachine_flow|floMacDyn.VMachine_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001918/0.001918, allocations: 67.91 kB / 1.104 GB, free: 15.81 MB / 0.8575 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9129/0.9149, allocations: 164 MB / 1.264 GB, free: 7.32 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.FlowControlled_m_flow): time 0.3804/1.295, allocations: 325.2 MB / 1.581 GB, free: 1.426 MB / 1.264 GB Notification: Performance of NFInst.instExpressions: time 0.03424/1.33, allocations: 22.31 MB / 1.603 GB, free: 11.06 MB / 1.295 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003417/1.333, allocations: 95.5 kB / 1.603 GB, free: 10.96 MB / 1.295 GB Notification: Performance of NFTyping.typeComponents: time 0.006882/1.34, allocations: 2.379 MB / 1.606 GB, free: 8.578 MB / 1.295 GB Notification: Performance of NFTyping.typeBindings: time 0.01195/1.352, allocations: 4.539 MB / 1.61 GB, free: 4.023 MB / 1.295 GB Notification: Performance of NFTyping.typeClassSections: time 0.006584/1.358, allocations: 2.552 MB / 1.613 GB, free: 1.477 MB / 1.295 GB Notification: Performance of NFFlatten.flatten: time 0.01768/1.376, allocations: 11.72 MB / 1.624 GB, free: 5.734 MB / 1.311 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003728/1.38, allocations: 2.252 MB / 1.626 GB, free: 3.434 MB / 1.311 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00801/1.388, allocations: 3.515 MB / 1.63 GB, free: 15.91 MB / 1.326 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004174/1.392, allocations: 1.826 MB / 1.631 GB, free: 14.08 MB / 1.326 GB Notification: Performance of NFPackage.collectConstants: time 0.0009742/1.393, allocations: 236 kB / 1.632 GB, free: 13.85 MB / 1.326 GB Notification: Performance of NFFlatten.collectFunctions: time 0.008744/1.402, allocations: 3.871 MB / 1.635 GB, free: 9.969 MB / 1.326 GB Notification: Performance of NFScalarize.scalarize: time 0.002044/1.404, allocations: 1.153 MB / 1.637 GB, free: 8.812 MB / 1.326 GB Notification: Performance of NFVerifyModel.verify: time 0.003486/1.408, allocations: 1.71 MB / 1.638 GB, free: 7.094 MB / 1.326 GB Notification: Performance of NFConvertDAE.convert: time 0.0119/1.419, allocations: 5.866 MB / 1.644 GB, free: 1.207 MB / 1.326 GB Notification: Performance of FrontEnd - DAE generated: time 5.991e-06/1.419, allocations: 0 / 1.644 GB, free: 1.207 MB / 1.326 GB Notification: Performance of FrontEnd: time 2.254e-06/1.419, allocations: 0 / 1.644 GB, free: 1.207 MB / 1.326 GB Notification: Performance of Transformations before backend: time 0.0001438/1.42, allocations: 0 / 1.644 GB, free: 1.207 MB / 1.326 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 349 * Number of variables: 349 Notification: Performance of Generate backend data structure: time 0.008303/1.428, allocations: 3.926 MB / 1.648 GB, free: 13.19 MB / 1.342 GB Notification: Performance of prepare preOptimizeDAE: time 4.157e-05/1.428, allocations: 12.03 kB / 1.648 GB, free: 13.18 MB / 1.342 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007254/1.435, allocations: 1.118 MB / 1.649 GB, free: 12.06 MB / 1.342 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00819/1.443, allocations: 4.059 MB / 1.653 GB, free: 7.938 MB / 1.342 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001559/1.444, allocations: 118.7 kB / 1.653 GB, free: 7.82 MB / 1.342 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003561/1.444, allocations: 151.9 kB / 1.653 GB, free: 7.672 MB / 1.342 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003745/1.448, allocations: 1.711 MB / 1.655 GB, free: 5.887 MB / 1.342 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.508e-05/1.448, allocations: 0 / 1.655 GB, free: 5.887 MB / 1.342 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001474/1.448, allocations: 64 kB / 1.655 GB, free: 5.824 MB / 1.342 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.178e-05/1.448, allocations: 50.59 kB / 1.655 GB, free: 5.773 MB / 1.342 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003864/1.452, allocations: 1.447 MB / 1.656 GB, free: 4.32 MB / 1.342 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 0.01329/1.465, allocations: 8.929 MB / 1.665 GB, free: 10.72 MB / 1.357 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002397/1.468, allocations: 1.012 MB / 1.666 GB, free: 9.664 MB / 1.357 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001304/1.469, allocations: 0.5013 MB / 1.666 GB, free: 9.164 MB / 1.357 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002228/1.469, allocations: 113.6 kB / 1.667 GB, free: 9.031 MB / 1.357 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.533e-05/1.469, allocations: 43.06 kB / 1.667 GB, free: 8.98 MB / 1.357 GB Notification: Performance of pre-optimization done (n=70): time 2.404e-06/1.469, allocations: 0 / 1.667 GB, free: 8.98 MB / 1.357 GB Notification: Performance of matching and sorting (n=70): time 0.005016/1.474, allocations: 1.481 MB / 1.668 GB, free: 7.496 MB / 1.357 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.159e-05/1.474, allocations: 59.97 kB / 1.668 GB, free: 7.426 MB / 1.357 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005564/1.48, allocations: 2.972 MB / 1.671 GB, free: 4.449 MB / 1.357 GB Notification: Performance of collectPreVariables (initialization): time 0.0002611/1.48, allocations: 45.7 kB / 1.671 GB, free: 4.398 MB / 1.357 GB Notification: Performance of collectInitialEqns (initialization): time 0.001258/1.482, allocations: 1.282 MB / 1.672 GB, free: 3.105 MB / 1.357 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003434/1.482, allocations: 269.7 kB / 1.673 GB, free: 2.84 MB / 1.357 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006848/1.483, allocations: 439.3 kB / 1.673 GB, free: 2.406 MB / 1.357 GB Notification: Performance of setup shared object (initialization): time 0.0001321/1.483, allocations: 301.1 kB / 1.673 GB, free: 2.109 MB / 1.357 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001701/1.484, allocations: 0.8168 MB / 1.674 GB, free: 1.289 MB / 1.357 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002179/1.487, allocations: 1.318 MB / 1.675 GB, free: 15.77 MB / 1.373 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003478/1.49, allocations: 1.895 MB / 1.677 GB, free: 13.73 MB / 1.373 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.069e-05/1.49, allocations: 4 kB / 1.677 GB, free: 13.72 MB / 1.373 GB Notification: Performance of matching and sorting (n=254) (initialization): time 0.005025/1.495, allocations: 2.422 MB / 1.68 GB, free: 11.29 MB / 1.373 GB Notification: Performance of prepare postOptimizeDAE: time 3.04e-05/1.495, allocations: 15.94 kB / 1.68 GB, free: 11.27 MB / 1.373 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.264e-05/1.495, allocations: 12 kB / 1.68 GB, free: 11.26 MB / 1.373 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.547e-05/1.495, allocations: 16 kB / 1.68 GB, free: 11.25 MB / 1.373 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001602/1.497, allocations: 391.8 kB / 1.68 GB, free: 10.86 MB / 1.373 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004529/1.497, allocations: 0.6094 MB / 1.681 GB, free: 10.23 MB / 1.373 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002159/1.5, allocations: 235.2 kB / 1.681 GB, free: 10 MB / 1.373 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001617/1.5, allocations: 75.97 kB / 1.681 GB, free: 9.926 MB / 1.373 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002707/1.502, allocations: 1.433 MB / 1.682 GB, free: 8.488 MB / 1.373 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002017/1.505, allocations: 1.286 MB / 1.684 GB, free: 7.012 MB / 1.373 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003194/1.508, allocations: 1.865 MB / 1.685 GB, free: 4.988 MB / 1.373 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.271e-05/1.508, allocations: 7.938 kB / 1.685 GB, free: 4.98 MB / 1.373 GB Notification: Performance of matching and sorting (n=254) (initialization_lambda0): time 0.004676/1.512, allocations: 2.362 MB / 1.688 GB, free: 2.609 MB / 1.373 GB Notification: Performance of prepare postOptimizeDAE: time 2.201e-05/1.512, allocations: 17.97 kB / 1.688 GB, free: 2.594 MB / 1.373 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.787e-05/1.513, allocations: 12 kB / 1.688 GB, free: 2.582 MB / 1.373 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.206e-05/1.513, allocations: 16 kB / 1.688 GB, free: 2.566 MB / 1.373 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001374/1.514, allocations: 367.9 kB / 1.688 GB, free: 2.207 MB / 1.373 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.689e-05/1.514, allocations: 23.94 kB / 1.688 GB, free: 2.184 MB / 1.373 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002127/1.516, allocations: 199.7 kB / 1.688 GB, free: 1.988 MB / 1.373 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001362/1.516, allocations: 68 kB / 1.688 GB, free: 1.922 MB / 1.373 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 50 * 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 (188): * Single equations (assignments): 183 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * 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: Performance of prepare postOptimizeDAE: time 0.0004214/1.517, allocations: 270 kB / 1.689 GB, free: 1.652 MB / 1.373 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006181/1.517, allocations: 286.1 kB / 1.689 GB, free: 1.371 MB / 1.373 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003218/1.521, allocations: 1.122 MB / 1.69 GB, free: 240 kB / 1.373 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.18e-05/1.521, allocations: 8 kB / 1.69 GB, free: 232 kB / 1.373 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.085e-06/1.521, allocations: 4 kB / 1.69 GB, free: 228 kB / 1.373 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002352/1.523, allocations: 0.9216 MB / 1.691 GB, free: 15.27 MB / 1.389 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007047/1.53, allocations: 3.337 MB / 1.694 GB, free: 11.82 MB / 1.389 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.39e-06/1.53, allocations: 0 / 1.694 GB, free: 11.82 MB / 1.389 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001154/1.531, allocations: 215.8 kB / 1.694 GB, free: 11.61 MB / 1.389 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.199e-05/1.531, allocations: 4 kB / 1.694 GB, free: 11.6 MB / 1.389 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.069e-05/1.531, allocations: 23.98 kB / 1.694 GB, free: 11.58 MB / 1.389 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003611/1.532, allocations: 0.5899 MB / 1.695 GB, free: 10.96 MB / 1.389 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.698e-06/1.532, allocations: 4.031 kB / 1.695 GB, free: 10.96 MB / 1.389 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004276/1.536, allocations: 1.724 MB / 1.697 GB, free: 9.211 MB / 1.389 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001152/1.537, allocations: 486.9 kB / 1.697 GB, free: 8.715 MB / 1.389 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003551/1.537, allocations: 16 kB / 1.697 GB, free: 8.699 MB / 1.389 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001327/1.539, allocations: 87.91 kB / 1.697 GB, free: 8.613 MB / 1.389 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000109/1.539, allocations: 44.44 kB / 1.697 GB, free: 8.57 MB / 1.389 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.508e-05/1.539, allocations: 31.98 kB / 1.697 GB, free: 8.539 MB / 1.389 GB Notification: Performance of sorting global known variables: time 0.003416/1.542, allocations: 1.984 MB / 1.699 GB, free: 6.562 MB / 1.389 GB Notification: Performance of sort global known variables: time 4e-07/1.542, allocations: 0 / 1.699 GB, free: 6.562 MB / 1.389 GB Notification: Performance of remove unused functions: time 0.003586/1.546, allocations: 1.267 MB / 1.7 GB, free: 5.293 MB / 1.389 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (floMacDyn.vol.dynBal.medium.Xi[1],floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m) * 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 (72): * Single equations (assignments): 71 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * 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: Performance of Backend phase and start with SimCode phase: time 0.001299/1.547, allocations: 0.5024 MB / 1.701 GB, free: 4.789 MB / 1.389 GB Notification: Performance of simCode: created initialization part: time 0.00595/1.553, allocations: 2.681 MB / 1.704 GB, free: 2.113 MB / 1.389 GB Notification: Performance of simCode: created event and clocks part: time 7.153e-06/1.553, allocations: 8.062 kB / 1.704 GB, free: 2.105 MB / 1.389 GB Notification: Performance of simCode: created simulation system equations: time 0.001389/1.555, allocations: 475 kB / 1.704 GB, free: 1.641 MB / 1.389 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006444/1.561, allocations: 1.459 MB / 1.705 GB, free: 236 kB / 1.389 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009038/1.57, allocations: 4.946 MB / 1.71 GB, free: 11.23 MB / 1.404 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001805/1.572, allocations: 1.927 MB / 1.712 GB, free: 9.27 MB / 1.404 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008964/1.573, allocations: 215.4 kB / 1.712 GB, free: 9.059 MB / 1.404 GB Notification: Performance of SimCode: time 1.072e-06/1.573, allocations: 0 / 1.712 GB, free: 9.059 MB / 1.404 GB Notification: Performance of Templates: time 0.08441/1.658, allocations: 58.75 MB / 1.77 GB, free: 14.55 MB / 1.467 GB " [Timeout remaining time 298] make -j1 -f Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.pipe >> ../files/Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.sim & ./Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Movers_Validation_FlowControlled_m_flow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Movers.Validation.FlowControlled_m_flow.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: 22.056780133018037]