Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.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 0.001853/0.001853, allocations: 77.55 kB / 19.76 MB, free: 2.027 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 0.002136/0.002136, allocations: 154.8 kB / 23.01 MB, free: 4.949 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 1.536/1.536, allocations: 177.2 MB / 203.4 MB, free: 8.949 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 2.752/2.752, allocations: 377.9 MB / 0.6228 GB, free: 12.58 MB / 0.5919 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|actAirSet.uOpeMod|actAirSet.VCooMax_flow|actAirSet.VOccMin_flow|actAirSet.VActCooMax_flow|actAirSet.VActMin_flow|actAirSet.VActHeaMax_flow",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow") translateModel(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|actAirSet.uOpeMod|actAirSet.VCooMax_flow|actAirSet.VOccMin_flow|actAirSet.VActCooMax_flow|actAirSet.VActMin_flow|actAirSet.VActHeaMax_flow",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow") [Timeout 300] "Notification: Buildings 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 0.002317/0.002317, allocations: 67.89 kB / 0.982 GB, free: 12.16 MB / 0.9356 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9332/0.9355, allocations: 176.1 MB / 1.154 GB, free: 33.35 MB / 1.076 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow): time 0.002077/0.9376, allocations: 1.066 MB / 1.155 GB, free: 32.67 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.0009474/0.9386, allocations: 1.045 MB / 1.156 GB, free: 31.88 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 9.102e-05/0.9386, allocations: 2.875 kB / 1.156 GB, free: 31.88 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 5.207e-05/0.9387, allocations: 19.17 kB / 1.156 GB, free: 31.87 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.0001196/0.9388, allocations: 42.08 kB / 1.156 GB, free: 31.83 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002396/0.9391, allocations: 81.83 kB / 1.156 GB, free: 31.79 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.0001672/0.9392, allocations: 229 kB / 1.156 GB, free: 31.67 MB / 1.076 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000178/0.9394, allocations: 95.5 kB / 1.156 GB, free: 31.62 MB / 1.076 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001826/0.9396, allocations: 105.3 kB / 1.157 GB, free: 31.55 MB / 1.076 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001023/0.9397, allocations: 87.5 kB / 1.157 GB, free: 31.51 MB / 1.076 GB Notification: Performance of NFPackage.collectConstants: time 3.403e-05/0.9397, allocations: 25.56 kB / 1.157 GB, free: 31.51 MB / 1.076 GB Notification: Performance of NFFlatten.collectFunctions: time 5.57e-05/0.9398, allocations: 29.58 kB / 1.157 GB, free: 31.51 MB / 1.076 GB Notification: Performance of NFScalarize.scalarize: time 3.309e-05/0.9398, allocations: 56.23 kB / 1.157 GB, free: 31.46 MB / 1.076 GB Notification: Performance of NFVerifyModel.verify: time 6.315e-05/0.9399, allocations: 85.81 kB / 1.157 GB, free: 31.41 MB / 1.076 GB Notification: Performance of NFConvertDAE.convert: time 0.0002433/0.9401, allocations: 313.5 kB / 1.157 GB, free: 31.29 MB / 1.076 GB Notification: Performance of FrontEnd - DAE generated: time 3.417e-06/0.9401, allocations: 0 / 1.157 GB, free: 31.29 MB / 1.076 GB Notification: Performance of FrontEnd: time 1.603e-06/0.9401, allocations: 0 / 1.157 GB, free: 31.29 MB / 1.076 GB Notification: Performance of Transformations before backend: time 5.801e-06/0.9401, allocations: 0 / 1.157 GB, free: 31.29 MB / 1.076 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 52 * Number of variables: 52 Notification: Performance of Generate backend data structure: time 0.0005992/0.9407, allocations: 428.7 kB / 1.158 GB, free: 30.93 MB / 1.076 GB Notification: Performance of prepare preOptimizeDAE: time 3.252e-05/0.9408, allocations: 8.562 kB / 1.158 GB, free: 30.93 MB / 1.076 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001616/0.9409, allocations: 45.56 kB / 1.158 GB, free: 30.91 MB / 1.076 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004024/0.9413, allocations: 219.1 kB / 1.158 GB, free: 30.73 MB / 1.076 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.274e-05/0.9413, allocations: 19.89 kB / 1.158 GB, free: 30.72 MB / 1.076 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.239e-05/0.9414, allocations: 21.28 kB / 1.158 GB, free: 30.71 MB / 1.076 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003456/0.9417, allocations: 200.2 kB / 1.158 GB, free: 30.62 MB / 1.076 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.2e-05/0.9417, allocations: 192 / 1.158 GB, free: 30.62 MB / 1.076 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.878e-05/0.9417, allocations: 10.72 kB / 1.158 GB, free: 30.62 MB / 1.076 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.662e-06/0.9417, allocations: 5.594 kB / 1.158 GB, free: 30.62 MB / 1.076 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003642/0.9421, allocations: 158.8 kB / 1.158 GB, free: 30.57 MB / 1.076 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0005822/0.9427, allocations: 483 kB / 1.159 GB, free: 30.22 MB / 1.076 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003078/0.943, allocations: 147.9 kB / 1.159 GB, free: 30.16 MB / 1.076 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001495/0.9432, allocations: 57.97 kB / 1.159 GB, free: 30.13 MB / 1.076 GB Notification: Performance of preOpt evalFunc (simulation): time 2.108e-05/0.9432, allocations: 5.828 kB / 1.159 GB, free: 30.13 MB / 1.076 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.662e-05/0.9432, allocations: 33.22 kB / 1.159 GB, free: 30.09 MB / 1.076 GB Notification: Performance of pre-optimization done (n=17): time 1.743e-06/0.9432, allocations: 4 kB / 1.159 GB, free: 30.09 MB / 1.076 GB Notification: Performance of matching and sorting (n=17): time 0.000542/0.9437, allocations: 214.8 kB / 1.159 GB, free: 30 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.756e-05/0.9438, allocations: 61.91 kB / 1.159 GB, free: 29.93 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001113/0.9439, allocations: 183 kB / 1.159 GB, free: 29.8 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 1.274e-05/0.9439, allocations: 29.7 kB / 1.159 GB, free: 29.77 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 5.236e-05/0.9439, allocations: 141.5 kB / 1.16 GB, free: 29.64 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 2.733e-05/0.944, allocations: 44.69 kB / 1.16 GB, free: 29.61 MB / 1.076 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.855e-05/0.944, allocations: 51.81 kB / 1.16 GB, free: 29.57 MB / 1.076 GB Notification: Performance of setup shared object (initialization): time 4.469e-05/0.9441, allocations: 332.1 kB / 1.16 GB, free: 29.25 MB / 1.076 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001506/0.9442, allocations: 58.23 kB / 1.16 GB, free: 29.23 MB / 1.076 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001682/0.9444, allocations: 91.34 kB / 1.16 GB, free: 29.17 MB / 1.076 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002851/0.9447, allocations: 157.8 kB / 1.16 GB, free: 29.08 MB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.873e-06/0.9447, allocations: 0 / 1.16 GB, free: 29.08 MB / 1.076 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0003645/0.945, allocations: 191.6 kB / 1.16 GB, free: 29 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 1.241e-05/0.9451, allocations: 9.719 kB / 1.16 GB, free: 28.99 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.438e-06/0.9451, allocations: 160 / 1.16 GB, free: 28.99 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.493e-05/0.9451, allocations: 6.844 kB / 1.16 GB, free: 28.99 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001707/0.9452, allocations: 29.23 kB / 1.16 GB, free: 28.99 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.583e-06/0.9452, allocations: 6.875 kB / 1.16 GB, free: 28.98 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001074/0.9454, allocations: 23.72 kB / 1.16 GB, free: 28.97 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.391e-05/0.9454, allocations: 12.94 kB / 1.16 GB, free: 28.97 MB / 1.076 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 15 (reaToInt2.y,actAirSet.or4.y,actAirSet.or2.y,actAirSet.or1.y,actAirSet.ifSetBac.y,actAirSet.ifWarUp.y,actAirSet.ifSetUp.y,actAirSet.ifCooDow.y,actAirSet.ifOcc.y,actAirSet.or3.y,actAirSet.warUpMod.y,actAirSet.setBacMod.y,actAirSet.setUpMod.y,actAirSet.cooDowMod.y,actAirSet.occMod.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (22): * Single equations (assignments): 22 * 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 0.0001094/0.9455, allocations: 136.7 kB / 1.161 GB, free: 28.84 MB / 1.076 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.493e-05/0.9455, allocations: 17.97 kB / 1.161 GB, free: 28.83 MB / 1.076 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.578e-05/0.9455, allocations: 24.88 kB / 1.161 GB, free: 28.8 MB / 1.076 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.344e-06/0.9456, allocations: 3.188 kB / 1.161 GB, free: 28.8 MB / 1.076 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.527e-06/0.9456, allocations: 0 / 1.161 GB, free: 28.8 MB / 1.076 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.476e-06/0.9456, allocations: 3.328 kB / 1.161 GB, free: 28.8 MB / 1.076 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000169/0.9457, allocations: 192.6 kB / 1.161 GB, free: 28.64 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.282e-06/0.9457, allocations: 0 / 1.161 GB, free: 28.64 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001279/0.9459, allocations: 22.33 kB / 1.161 GB, free: 28.64 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.364e-06/0.9459, allocations: 3.938 kB / 1.161 GB, free: 28.63 MB / 1.076 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.109e-05/0.9459, allocations: 6.469 kB / 1.161 GB, free: 28.63 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.754e-06/0.9459, allocations: 7.938 kB / 1.161 GB, free: 28.62 MB / 1.076 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.61e-07/0.9459, allocations: 4 kB / 1.161 GB, free: 28.62 MB / 1.076 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003457/0.9462, allocations: 259.8 kB / 1.161 GB, free: 28.45 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 1.607e-05/0.9462, allocations: 13.98 kB / 1.161 GB, free: 28.44 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.118e-05/0.9463, allocations: 10.91 kB / 1.161 GB, free: 28.43 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001185/0.9464, allocations: 16.81 kB / 1.161 GB, free: 28.43 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.382e-05/0.9464, allocations: 16.52 kB / 1.161 GB, free: 28.42 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.528e-06/0.9464, allocations: 6.375 kB / 1.161 GB, free: 28.42 MB / 1.076 GB Notification: Performance of sorting global known variables: time 5.987e-05/0.9465, allocations: 124.1 kB / 1.161 GB, free: 28.33 MB / 1.076 GB Notification: Performance of sort global known variables: time 9.1e-08/0.9465, allocations: 4 kB / 1.161 GB, free: 28.33 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.0002686/0.9468, allocations: 42.86 kB / 1.161 GB, free: 28.31 MB / 1.076 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 10 (actAirSet.or3.y,actAirSet.ifOcc.y,actAirSet.ifCooDow.y,actAirSet.ifSetUp.y,actAirSet.ifWarUp.y,actAirSet.ifSetBac.y,actAirSet.or1.y,actAirSet.or2.y,actAirSet.or4.y,reaToInt2.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (17): * Single equations (assignments): 17 * 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 7.555e-05/0.9469, allocations: 103 kB / 1.161 GB, free: 28.22 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.0003843/0.9472, allocations: 150 kB / 1.162 GB, free: 28.18 MB / 1.076 GB Notification: Performance of simCode: created event and clocks part: time 1.923e-06/0.9472, allocations: 4 kB / 1.162 GB, free: 28.18 MB / 1.076 GB Notification: Performance of simCode: created simulation system equations: time 0.0001632/0.9474, allocations: 69.72 kB / 1.162 GB, free: 28.16 MB / 1.076 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002935/0.9477, allocations: 21.38 kB / 1.162 GB, free: 28.15 MB / 1.076 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005199/0.9482, allocations: 354 kB / 1.162 GB, free: 27.91 MB / 1.076 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 8.542e-05/0.9483, allocations: 124.3 kB / 1.162 GB, free: 27.83 MB / 1.076 GB Notification: Performance of simCode: alias equations: time 8.52e-05/0.9484, allocations: 24.11 kB / 1.162 GB, free: 27.82 MB / 1.076 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.314e-05/0.9484, allocations: 23.23 kB / 1.162 GB, free: 27.81 MB / 1.076 GB Notification: Performance of SimCode: time 3.01e-07/0.9484, allocations: 0 / 1.162 GB, free: 27.81 MB / 1.076 GB Notification: Performance of Templates: time 0.004443/0.9529, allocations: 1.47 MB / 1.164 GB, free: 27.64 MB / 1.076 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.sim & ./Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow -abortSlowSimulation -alarm=400 -s ida -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.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: 8.828309835982509]