Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 0.001058/0.001058, allocations: 87.58 kB / 20.45 MB, free: 4.117 MB / 18.57 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 0.001145/0.001145, allocations: 161 kB / 23.82 MB, free: 0.75 MB / 18.57 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 1.049/1.049, allocations: 177.1 MB / 204.2 MB, free: 5.641 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.83/1.83, allocations: 359 MB / 0.6052 GB, free: 11.02 MB / 0.573 GB " [Timeout remaining time 178] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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_11_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_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.104e-06/2.104e-06, allocations: 0 / 0.7871 GB, free: 12.47 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.948e-05/2.158e-05, allocations: 2.312 kB / 0.7871 GB, free: 12.46 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow): time 0.001793/0.001814, allocations: 1.139 MB / 0.7882 GB, free: 11.34 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.001139/0.002954, allocations: 1.076 MB / 0.7893 GB, free: 10.26 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.942e-05/0.003043, allocations: 7.938 kB / 0.7893 GB, free: 10.25 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 5.465e-05/0.003098, allocations: 23.67 kB / 0.7893 GB, free: 10.23 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.0001186/0.003216, allocations: 31.73 kB / 0.7893 GB, free: 10.2 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002681/0.003484, allocations: 84.91 kB / 0.7894 GB, free: 10.11 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.0001801/0.003665, allocations: 236.1 kB / 0.7897 GB, free: 9.883 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000169/0.003834, allocations: 90.16 kB / 0.7897 GB, free: 9.801 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002368/0.00407, allocations: 147.7 kB / 0.7899 GB, free: 9.656 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 9.246e-05/0.004163, allocations: 67.78 kB / 0.7899 GB, free: 9.59 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 3.278e-05/0.004196, allocations: 27.94 kB / 0.79 GB, free: 9.562 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 5.339e-05/0.004249, allocations: 25.28 kB / 0.79 GB, free: 9.539 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 3.554e-05/0.004285, allocations: 59.77 kB / 0.7901 GB, free: 9.48 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 5.192e-05/0.004336, allocations: 63.83 kB / 0.7901 GB, free: 9.418 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.0002074/0.004544, allocations: 165.4 kB / 0.7903 GB, free: 9.258 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 2.194e-06/0.004546, allocations: 0 / 0.7903 GB, free: 9.258 MB / 0.7448 GB Notification: Performance of FrontEnd: time 1.012e-06/0.004547, allocations: 0 / 0.7903 GB, free: 9.258 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 5.651e-06/0.004553, allocations: 0 / 0.7903 GB, free: 9.258 MB / 0.7448 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 0.0005259/0.005079, allocations: 0.5118 MB / 0.7908 GB, free: 8.707 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 4.174e-05/0.00512, allocations: 14.19 kB / 0.7908 GB, free: 8.695 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001355/0.005256, allocations: 48.8 kB / 0.7908 GB, free: 8.648 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000271/0.005527, allocations: 220.6 kB / 0.791 GB, free: 8.406 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.608e-05/0.005553, allocations: 12.88 kB / 0.7911 GB, free: 8.391 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.653e-05/0.005579, allocations: 25.88 kB / 0.7911 GB, free: 8.367 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002321/0.005812, allocations: 165.4 kB / 0.7912 GB, free: 8.199 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.895e-06/0.005819, allocations: 192 / 0.7912 GB, free: 8.199 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.763e-05/0.005837, allocations: 8.375 kB / 0.7912 GB, free: 8.191 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.846e-06/0.005846, allocations: 6.125 kB / 0.7913 GB, free: 8.188 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001232/0.005969, allocations: 82.88 kB / 0.7913 GB, free: 8.109 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0005569/0.006526, allocations: 0.5261 MB / 0.7918 GB, free: 7.543 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001875/0.006714, allocations: 112 kB / 0.792 GB, free: 7.422 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 5.217e-05/0.006766, allocations: 40.27 kB / 0.792 GB, free: 7.379 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 2.112e-05/0.006787, allocations: 6.469 kB / 0.792 GB, free: 7.375 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.159e-05/0.006808, allocations: 37.38 kB / 0.792 GB, free: 7.328 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=17): time 2.605e-06/0.006811, allocations: 0 / 0.792 GB, free: 7.328 MB / 0.7448 GB Notification: Performance of matching and sorting (n=17): time 0.0002587/0.00707, allocations: 143.8 kB / 0.7922 GB, free: 7.184 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002851/0.007355, allocations: 55.41 kB / 0.7922 GB, free: 7.117 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001305/0.007485, allocations: 234.2 kB / 0.7924 GB, free: 6.871 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 1.465e-05/0.0075, allocations: 30.42 kB / 0.7925 GB, free: 6.836 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 9.117e-05/0.007591, allocations: 195.1 kB / 0.7927 GB, free: 6.641 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 3.228e-05/0.007624, allocations: 48.25 kB / 0.7927 GB, free: 6.594 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.752e-05/0.007681, allocations: 57 kB / 0.7928 GB, free: 6.531 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0001229/0.007804, allocations: 0.4961 MB / 0.7932 GB, free: 6.023 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 4.699e-05/0.007851, allocations: 27.97 kB / 0.7933 GB, free: 5.996 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 7.481e-05/0.007926, allocations: 82.11 kB / 0.7933 GB, free: 5.891 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00011/0.008036, allocations: 120.9 kB / 0.7935 GB, free: 5.75 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.565e-06/0.008038, allocations: 0 / 0.7935 GB, free: 5.75 MB / 0.7448 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0001621/0.0082, allocations: 144.8 kB / 0.7936 GB, free: 5.605 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.467e-05/0.008215, allocations: 8 kB / 0.7936 GB, free: 5.598 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.17e-06/0.00822, allocations: 0.8438 kB / 0.7936 GB, free: 5.598 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.807e-05/0.008238, allocations: 7.938 kB / 0.7936 GB, free: 5.59 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001035/0.008342, allocations: 28.77 kB / 0.7936 GB, free: 5.562 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.686e-06/0.00835, allocations: 7.984 kB / 0.7937 GB, free: 5.555 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 4.402e-05/0.008394, allocations: 17.17 kB / 0.7937 GB, free: 5.539 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.057e-05/0.008405, allocations: 8 kB / 0.7937 GB, free: 5.531 MB / 0.7448 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 8.916e-05/0.008494, allocations: 173.4 kB / 0.7938 GB, free: 5.352 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.771e-05/0.008522, allocations: 16.78 kB / 0.7939 GB, free: 5.336 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.816e-05/0.00856, allocations: 25.8 kB / 0.7939 GB, free: 5.309 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.496e-06/0.008564, allocations: 3.938 kB / 0.7939 GB, free: 5.305 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.969e-06/0.008569, allocations: 5.562 kB / 0.7939 GB, free: 5.301 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.166e-06/0.008572, allocations: 0 / 0.7939 GB, free: 5.301 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001549/0.008727, allocations: 192.5 kB / 0.7941 GB, free: 5.078 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.11e-07/0.008727, allocations: 0 / 0.7941 GB, free: 5.078 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.587e-05/0.008773, allocations: 21.17 kB / 0.7941 GB, free: 5.059 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.295e-06/0.008776, allocations: 0 / 0.7941 GB, free: 5.059 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.195e-05/0.008787, allocations: 8 kB / 0.7941 GB, free: 5.051 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.104e-06/0.00879, allocations: 7.141 kB / 0.7941 GB, free: 5.047 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.443e-06/0.008791, allocations: 3.938 kB / 0.7941 GB, free: 5.043 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001836/0.008975, allocations: 274.2 kB / 0.7944 GB, free: 4.758 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 1.105e-05/0.008986, allocations: 15.84 kB / 0.7944 GB, free: 4.742 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.357e-05/0.008999, allocations: 4 kB / 0.7944 GB, free: 4.738 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 4.442e-05/0.009044, allocations: 15.92 kB / 0.7944 GB, free: 4.723 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.877e-05/0.009102, allocations: 19.91 kB / 0.7944 GB, free: 4.703 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.361e-06/0.009109, allocations: 4 kB / 0.7944 GB, free: 4.699 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 6e-05/0.009169, allocations: 161.4 kB / 0.7946 GB, free: 4.543 MB / 0.7448 GB Notification: Performance of sort global known variables: time 5e-08/0.009169, allocations: 1.938 kB / 0.7946 GB, free: 4.543 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.0001667/0.009336, allocations: 39.89 kB / 0.7946 GB, free: 4.504 MB / 0.7448 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 8.417e-05/0.00942, allocations: 112.1 kB / 0.7947 GB, free: 4.387 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.0001645/0.009584, allocations: 101.8 kB / 0.7948 GB, free: 4.285 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 1.242e-06/0.009586, allocations: 2.812 kB / 0.7948 GB, free: 4.285 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 5.903e-05/0.009645, allocations: 55.59 kB / 0.7949 GB, free: 4.227 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002031/0.009848, allocations: 20 kB / 0.7949 GB, free: 4.207 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0006418/0.01049, allocations: 343.2 kB / 0.7952 GB, free: 3.848 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 5.03e-05/0.01054, allocations: 75.98 kB / 0.7953 GB, free: 3.754 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 6.025e-05/0.0106, allocations: 17.67 kB / 0.7953 GB, free: 3.742 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.83e-05/0.01065, allocations: 28.44 kB / 0.7953 GB, free: 3.715 MB / 0.7448 GB Notification: Performance of SimCode: time 6.71e-07/0.01065, allocations: 0 / 0.7953 GB, free: 3.715 MB / 0.7448 GB Notification: Performance of Templates: time 0.003636/0.01428, allocations: 1.481 MB / 0.7968 GB, free: 2.312 MB / 0.7448 GB " [Timeout remaining time 300] make -j1 -f Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.sim & ./Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_ActiveAirFlow.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 5.131535130087286]