Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow.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 0.001469/0.001469, allocations: 113.9 kB / 17.61 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 0.001516/0.001516, allocations: 185.9 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 1.608/1.608, allocations: 225.6 MB / 249.4 MB, free: 3.121 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 2.969/2.969, allocations: 476.7 MB / 0.7628 GB, free: 15.24 MB / 0.6075 GB " [Timeout remaining time 176] 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.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.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_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow") translateModel(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.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_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002408/0.002408, allocations: 59.91 kB / 1.107 GB, free: 4.52 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.263/1.265, allocations: 168.7 MB / 1.272 GB, free: 7.875 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow): time 0.002937/1.268, allocations: 1.151 MB / 1.273 GB, free: 7.121 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.001515/1.27, allocations: 1.023 MB / 1.274 GB, free: 6.348 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001254/1.27, allocations: 2.656 kB / 1.274 GB, free: 6.348 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 7.206e-05/1.27, allocations: 24.47 kB / 1.274 GB, free: 6.328 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.0001458/1.27, allocations: 30.41 kB / 1.274 GB, free: 6.305 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002773/1.27, allocations: 85.36 kB / 1.274 GB, free: 6.254 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.0002452/1.27, allocations: 230.4 kB / 1.274 GB, free: 6.133 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002347/1.271, allocations: 93.36 kB / 1.275 GB, free: 6.082 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001663/1.271, allocations: 97.08 kB / 1.275 GB, free: 6.023 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001316/1.271, allocations: 101.3 kB / 1.275 GB, free: 5.965 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 5.547e-05/1.271, allocations: 27.88 kB / 1.275 GB, free: 5.961 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 4.232e-05/1.271, allocations: 24.94 kB / 1.275 GB, free: 5.961 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 4.882e-05/1.271, allocations: 56.84 kB / 1.275 GB, free: 5.922 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 9.18e-05/1.271, allocations: 101.8 kB / 1.275 GB, free: 5.848 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.0003632/1.272, allocations: 306.6 kB / 1.275 GB, free: 5.734 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 7.114e-06/1.272, allocations: 1.406 kB / 1.275 GB, free: 5.734 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.814e-06/1.272, allocations: 0 / 1.275 GB, free: 5.734 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 7.144e-06/1.272, allocations: 0 / 1.275 GB, free: 5.734 MB / 0.9981 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 0.0007632/1.272, allocations: 0.494 MB / 1.276 GB, free: 5.277 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.51e-05/1.272, allocations: 9.406 kB / 1.276 GB, free: 5.277 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.09e-05/1.272, allocations: 28.95 kB / 1.276 GB, free: 5.262 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005116/1.273, allocations: 287.5 kB / 1.276 GB, free: 5.012 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.643e-05/1.273, allocations: 14.34 kB / 1.276 GB, free: 5.008 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.201e-05/1.273, allocations: 22.3 kB / 1.276 GB, free: 5 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004415/1.273, allocations: 202.3 kB / 1.276 GB, free: 4.902 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.44e-05/1.274, allocations: 1.5 kB / 1.276 GB, free: 4.902 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.6e-05/1.274, allocations: 12.72 kB / 1.276 GB, free: 4.891 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.129e-05/1.274, allocations: 5.5 kB / 1.276 GB, free: 4.891 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004434/1.274, allocations: 158.2 kB / 1.276 GB, free: 4.848 MB / 0.9981 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0008262/1.275, allocations: 0.5853 MB / 1.277 GB, free: 4.418 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003867/1.275, allocations: 153.4 kB / 1.277 GB, free: 4.348 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001708/1.275, allocations: 59.52 kB / 1.277 GB, free: 4.324 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 2.36e-05/1.275, allocations: 1.625 kB / 1.277 GB, free: 4.324 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.881e-05/1.275, allocations: 40.19 kB / 1.277 GB, free: 4.277 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=17): time 1.483e-06/1.275, allocations: 0 / 1.277 GB, free: 4.277 MB / 0.9981 GB Notification: Performance of matching and sorting (n=17): time 0.0006235/1.276, allocations: 221 kB / 1.277 GB, free: 4.188 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.683e-05/1.276, allocations: 53.19 kB / 1.278 GB, free: 4.125 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001521/1.276, allocations: 184.8 kB / 1.278 GB, free: 3.988 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 1.404e-05/1.276, allocations: 30.48 kB / 1.278 GB, free: 3.953 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 7.236e-05/1.276, allocations: 142.8 kB / 1.278 GB, free: 3.824 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 4.315e-05/1.276, allocations: 49.61 kB / 1.278 GB, free: 3.785 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.012e-05/1.276, allocations: 54.81 kB / 1.278 GB, free: 3.75 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 6.712e-05/1.276, allocations: 328.1 kB / 1.278 GB, free: 3.43 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001653/1.277, allocations: 51.11 kB / 1.278 GB, free: 3.418 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001769/1.277, allocations: 104.6 kB / 1.278 GB, free: 3.348 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003074/1.277, allocations: 147.7 kB / 1.279 GB, free: 3.258 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.914e-06/1.277, allocations: 0.75 kB / 1.279 GB, free: 3.258 MB / 0.9981 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0004185/1.278, allocations: 194.3 kB / 1.279 GB, free: 3.172 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 2.055e-05/1.278, allocations: 7.25 kB / 1.279 GB, free: 3.172 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.745e-06/1.278, allocations: 6.984 kB / 1.279 GB, free: 3.168 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.086e-05/1.278, allocations: 2.906 kB / 1.279 GB, free: 3.168 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001981/1.278, allocations: 28.98 kB / 1.279 GB, free: 3.168 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.083e-05/1.278, allocations: 8.156 kB / 1.279 GB, free: 3.164 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001107/1.278, allocations: 22.09 kB / 1.279 GB, free: 3.152 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.678e-05/1.278, allocations: 6.688 kB / 1.279 GB, free: 3.152 MB / 0.9981 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 0.0001576/1.278, allocations: 142.2 kB / 1.279 GB, free: 3.02 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.767e-05/1.278, allocations: 18.94 kB / 1.279 GB, free: 3.008 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.268e-05/1.278, allocations: 16.56 kB / 1.279 GB, free: 2.992 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.607e-06/1.278, allocations: 2.75 kB / 1.279 GB, free: 2.992 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.104e-06/1.278, allocations: 3.938 kB / 1.279 GB, free: 2.988 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.192e-06/1.278, allocations: 2.984 kB / 1.279 GB, free: 2.988 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002569/1.278, allocations: 276.7 kB / 1.279 GB, free: 2.746 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.313e-06/1.278, allocations: 3.938 kB / 1.279 GB, free: 2.742 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001276/1.279, allocations: 22.47 kB / 1.279 GB, free: 2.742 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.755e-06/1.279, allocations: 0.9062 kB / 1.279 GB, free: 2.742 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.382e-05/1.279, allocations: 12.84 kB / 1.279 GB, free: 2.73 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.084e-06/1.279, allocations: 1 kB / 1.279 GB, free: 2.73 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.433e-06/1.279, allocations: 0 / 1.279 GB, free: 2.73 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003636/1.279, allocations: 266 kB / 1.28 GB, free: 2.551 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 2.847e-05/1.279, allocations: 93.33 kB / 1.28 GB, free: 2.445 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.43e-05/1.279, allocations: 6.469 kB / 1.28 GB, free: 2.441 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001122/1.279, allocations: 17.06 kB / 1.28 GB, free: 2.434 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.045e-05/1.279, allocations: 18.55 kB / 1.28 GB, free: 2.43 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.532e-05/1.279, allocations: 10.45 kB / 1.28 GB, free: 2.426 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 9.156e-05/1.279, allocations: 119.9 kB / 1.28 GB, free: 2.336 MB / 0.9981 GB Notification: Performance of sort global known variables: time 7e-08/1.279, allocations: 0 / 1.28 GB, free: 2.336 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.0002952/1.28, allocations: 41.78 kB / 1.28 GB, free: 2.32 MB / 0.9981 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 0.0001602/1.28, allocations: 116.3 kB / 1.28 GB, free: 2.223 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.0005157/1.28, allocations: 145.2 kB / 1.28 GB, free: 2.184 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 2.825e-06/1.28, allocations: 0.9062 kB / 1.28 GB, free: 2.184 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.0002165/1.281, allocations: 72.53 kB / 1.28 GB, free: 2.164 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003366/1.281, allocations: 25.14 kB / 1.28 GB, free: 2.148 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0009235/1.282, allocations: 351 kB / 1.281 GB, free: 1.918 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003047/1.282, allocations: 0.7341 MB / 1.281 GB, free: 1.219 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.0001292/1.282, allocations: 26.09 kB / 1.281 GB, free: 1.211 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.06e-05/1.282, allocations: 24.03 kB / 1.281 GB, free: 1.203 MB / 0.9981 GB Notification: Performance of SimCode: time 1.282e-06/1.282, allocations: 0 / 1.281 GB, free: 1.203 MB / 0.9981 GB Notification: Performance of Templates: time 0.007485/1.29, allocations: 1.529 MB / 1.283 GB, free: 1.09 MB / 0.9981 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow.sim & ./Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConDischargeSensor_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConDischargeSensor.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: 10.159921006299555]