Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active.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 0.001309/0.001309, allocations: 80.81 kB / 19.94 MB, free: 4.547 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 0.00139/0.00139, allocations: 177 kB / 23.36 MB, free: 1.133 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 0.9621/0.9621, allocations: 177.1 MB / 203.8 MB, free: 5.484 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.371/2.371, allocations: 438.8 MB / 0.6826 GB, free: 13.57 MB / 0.6511 GB " [Timeout remaining time 177] Using package Buildings with version 14.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/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.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active") translateModel(Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.653e-06/1.653e-06, allocations: 0 / 0.8387 GB, free: 14.09 MB / 0.8073 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.307e-05/2.473e-05, allocations: 2.312 kB / 0.8387 GB, free: 14.09 MB / 0.8073 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active): time 0.1507/0.1508, allocations: 165.5 MB / 1 GB, free: 7.953 MB / 0.9636 GB Notification: Performance of NFInst.instExpressions: time 0.02529/0.1761, allocations: 17.88 MB / 1.018 GB, free: 6.027 MB / 0.9792 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003482/0.1795, allocations: 146.8 kB / 1.018 GB, free: 5.883 MB / 0.9792 GB Notification: Performance of NFTyping.typeComponents: time 0.004624/0.1842, allocations: 1.896 MB / 1.02 GB, free: 3.977 MB / 0.9792 GB Notification: Performance of NFTyping.typeBindings: time 0.007101/0.1913, allocations: 3.473 MB / 1.023 GB, free: 496 kB / 0.9792 GB Notification: Performance of NFTyping.typeClassSections: time 0.006969/0.1982, allocations: 3.738 MB / 1.027 GB, free: 12.74 MB / 0.9948 GB Notification: Performance of NFFlatten.flatten: time 0.01486/0.2131, allocations: 13.51 MB / 1.04 GB, free: 15.2 MB / 1.01 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004506/0.2176, allocations: 2.437 MB / 1.042 GB, free: 12.71 MB / 1.01 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00695/0.2245, allocations: 4.086 MB / 1.046 GB, free: 8.656 MB / 1.01 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003663/0.2282, allocations: 1.979 MB / 1.048 GB, free: 6.668 MB / 1.01 GB Notification: Performance of NFPackage.collectConstants: time 0.0008921/0.2291, allocations: 400 kB / 1.049 GB, free: 6.277 MB / 1.01 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004569/0.2337, allocations: 2.737 MB / 1.051 GB, free: 3.535 MB / 1.01 GB Notification: Performance of NFScalarize.scalarize: time 0.001044/0.2347, allocations: 1.289 MB / 1.053 GB, free: 2.242 MB / 1.01 GB Notification: Performance of NFVerifyModel.verify: time 0.002445/0.2372, allocations: 1.387 MB / 1.054 GB, free: 0.8516 MB / 1.01 GB Notification: Performance of NFConvertDAE.convert: time 0.4715/0.7086, allocations: 4.512 MB / 1.058 GB, free: 40.08 MB / 1.01 GB Notification: Performance of FrontEnd - DAE generated: time 7.624e-06/0.7086, allocations: 0 / 1.058 GB, free: 40.08 MB / 1.01 GB Notification: Performance of FrontEnd: time 1.854e-06/0.7086, allocations: 0 / 1.058 GB, free: 40.08 MB / 1.01 GB Notification: Performance of Transformations before backend: time 0.0001588/0.7088, allocations: 1.156 kB / 1.058 GB, free: 40.08 MB / 1.01 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 488 * Number of variables: 488 Notification: Performance of Generate backend data structure: time 0.008616/0.7174, allocations: 4.21 MB / 1.062 GB, free: 38.09 MB / 1.01 GB Notification: Performance of prepare preOptimizeDAE: time 3.81e-05/0.7174, allocations: 14.81 kB / 1.062 GB, free: 38.09 MB / 1.01 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005208/0.7227, allocations: 1.392 MB / 1.064 GB, free: 38.01 MB / 1.01 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006123/0.7288, allocations: 2.449 MB / 1.066 GB, free: 37.26 MB / 1.01 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001767/0.729, allocations: 167.8 kB / 1.066 GB, free: 37.26 MB / 1.01 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004358/0.7294, allocations: 225.9 kB / 1.067 GB, free: 37.25 MB / 1.01 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003599/0.733, allocations: 1.743 MB / 1.068 GB, free: 36.85 MB / 1.01 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.117e-05/0.733, allocations: 3.25 kB / 1.068 GB, free: 36.85 MB / 1.01 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001747/0.7332, allocations: 84.02 kB / 1.068 GB, free: 36.85 MB / 1.01 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.249e-05/0.7333, allocations: 79.08 kB / 1.068 GB, free: 36.84 MB / 1.01 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001833/0.7351, allocations: 0.7069 MB / 1.069 GB, free: 36.79 MB / 1.01 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 0.0155/0.7506, allocations: 6.578 MB / 1.076 GB, free: 34.34 MB / 1.01 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001727/0.7524, allocations: 0.8114 MB / 1.076 GB, free: 34.25 MB / 1.01 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005885/0.753, allocations: 321 kB / 1.077 GB, free: 34.23 MB / 1.01 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004344/0.7534, allocations: 143.2 kB / 1.077 GB, free: 34.23 MB / 1.01 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.578e-05/0.7534, allocations: 47.16 kB / 1.077 GB, free: 34.19 MB / 1.01 GB Notification: Performance of pre-optimization done (n=129): time 4.369e-06/0.7534, allocations: 1.062 kB / 1.077 GB, free: 34.19 MB / 1.01 GB Notification: Performance of matching and sorting (n=129): time 0.003408/0.7568, allocations: 1.114 MB / 1.078 GB, free: 34.11 MB / 1.01 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.67e-05/0.7569, allocations: 92.61 kB / 1.078 GB, free: 34.01 MB / 1.01 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003297/0.7602, allocations: 2.1 MB / 1.08 GB, free: 33.74 MB / 1.01 GB Notification: Performance of collectPreVariables (initialization): time 0.000273/0.7604, allocations: 59.64 kB / 1.08 GB, free: 33.71 MB / 1.01 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006983/0.7611, allocations: 0.9783 MB / 1.081 GB, free: 33.25 MB / 1.01 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003881/0.7615, allocations: 480.6 kB / 1.082 GB, free: 32.93 MB / 1.01 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000623/0.7622, allocations: 406.8 kB / 1.082 GB, free: 32.9 MB / 1.01 GB Notification: Performance of setup shared object (initialization): time 3.123e-05/0.7622, allocations: 304.3 kB / 1.082 GB, free: 32.61 MB / 1.01 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000613/0.7628, allocations: 234.4 kB / 1.082 GB, free: 32.59 MB / 1.01 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009423/0.7637, allocations: 1.384 MB / 1.084 GB, free: 31.22 MB / 1.01 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001631/0.7654, allocations: 1.113 MB / 1.085 GB, free: 30.64 MB / 1.01 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.058e-05/0.7654, allocations: 6.062 kB / 1.085 GB, free: 30.64 MB / 1.01 GB Notification: Performance of matching and sorting (n=234) (initialization): time 0.002686/0.7681, allocations: 1.175 MB / 1.086 GB, free: 30.57 MB / 1.01 GB Notification: Performance of prepare postOptimizeDAE: time 3.386e-05/0.7681, allocations: 13.62 kB / 1.086 GB, free: 30.57 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.525e-05/0.7681, allocations: 15.94 kB / 1.086 GB, free: 30.57 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004401/0.7686, allocations: 134.3 kB / 1.086 GB, free: 30.56 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00151/0.7701, allocations: 0.4904 MB / 1.087 GB, free: 30.56 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003888/0.7705, allocations: 0.6217 MB / 1.087 GB, free: 30.04 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002188/0.7727, allocations: 271.7 kB / 1.088 GB, free: 29.94 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000205/0.7729, allocations: 95.86 kB / 1.088 GB, free: 29.94 MB / 1.01 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001337/0.7742, allocations: 345.9 kB / 1.088 GB, free: 29.84 MB / 1.01 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008289/0.775, allocations: 1.375 MB / 1.089 GB, free: 28.48 MB / 1.01 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001349/0.7764, allocations: 1.091 MB / 1.09 GB, free: 27.91 MB / 1.01 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.748e-05/0.7764, allocations: 4.812 kB / 1.09 GB, free: 27.91 MB / 1.01 GB Notification: Performance of matching and sorting (n=234) (initialization_lambda0): time 0.002384/0.7788, allocations: 1.193 MB / 1.092 GB, free: 27.83 MB / 1.01 GB Notification: Performance of prepare postOptimizeDAE: time 2.161e-05/0.7788, allocations: 11.66 kB / 1.092 GB, free: 27.83 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.319e-05/0.7788, allocations: 18.16 kB / 1.092 GB, free: 27.83 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004269/0.7793, allocations: 163.6 kB / 1.092 GB, free: 27.82 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001351/0.7806, allocations: 489.6 kB / 1.092 GB, free: 27.82 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003226/0.7809, allocations: 0.6266 MB / 1.093 GB, free: 27.3 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002018/0.783, allocations: 245.4 kB / 1.093 GB, free: 27.23 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001472/0.7831, allocations: 81.38 kB / 1.093 GB, free: 27.23 MB / 1.01 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 70 * Number of states: 0 () * Number of discrete variables: 2 (hex.con.con.con1.y,hex.reaDooHex.flowRegime_nominal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (224): * Single equations (assignments): 222 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * 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 {(2,8)} Notification: Performance of prepare postOptimizeDAE: time 0.0005134/0.7836, allocations: 308.7 kB / 1.093 GB, free: 27.04 MB / 1.01 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004894/0.7841, allocations: 210.6 kB / 1.094 GB, free: 27.03 MB / 1.01 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001836/0.7859, allocations: 1.143 MB / 1.095 GB, free: 26.89 MB / 1.01 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.52e-05/0.786, allocations: 15.36 kB / 1.095 GB, free: 26.89 MB / 1.01 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.827e-06/0.786, allocations: 2.938 kB / 1.095 GB, free: 26.89 MB / 1.01 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.949e-06/0.786, allocations: 5.906 kB / 1.095 GB, free: 26.89 MB / 1.01 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004294/0.7903, allocations: 2.496 MB / 1.097 GB, free: 26.28 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.948e-06/0.7903, allocations: 3.438 kB / 1.097 GB, free: 26.28 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007806/0.7911, allocations: 290.5 kB / 1.097 GB, free: 26.28 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002159/0.7913, allocations: 89.91 kB / 1.098 GB, free: 26.27 MB / 1.01 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.588e-05/0.7914, allocations: 46.77 kB / 1.098 GB, free: 26.26 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005223/0.7919, allocations: 0.6704 MB / 1.098 GB, free: 25.73 MB / 1.01 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.388e-06/0.7919, allocations: 6.562 kB / 1.098 GB, free: 25.73 MB / 1.01 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002121/0.794, allocations: 1.44 MB / 1.1 GB, free: 25.22 MB / 1.01 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001067/0.7951, allocations: 396 kB / 1.1 GB, free: 25.02 MB / 1.01 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003168/0.7954, allocations: 32.8 kB / 1.1 GB, free: 25.02 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001019/0.7964, allocations: 107.2 kB / 1.1 GB, free: 25.02 MB / 1.01 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001187/0.7965, allocations: 99.14 kB / 1.1 GB, free: 25.02 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001063/0.7966, allocations: 54.94 kB / 1.1 GB, free: 25.02 MB / 1.01 GB Notification: Performance of sorting global known variables: time 0.00147/0.7981, allocations: 1.095 MB / 1.101 GB, free: 24.93 MB / 1.01 GB Notification: Performance of sort global known variables: time 9e-08/0.7981, allocations: 0.8438 kB / 1.101 GB, free: 24.93 MB / 1.01 GB Notification: Performance of remove unused functions: time 0.00403/0.8021, allocations: 1.583 MB / 1.103 GB, free: 24.68 MB / 1.01 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 8 (senTAirIn.T,senTAirOut.T,senTCooIn.T,senTCooOut.T,hex.senTAirReaDooHexIn.T,hex.fan.motSpe.y,hex.con.con.I.y,hex.senTAirReaDooHexOut.T) * 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 (131): * Single equations (assignments): 124 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 {(2,9)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001407/0.8035, allocations: 0.5348 MB / 1.103 GB, free: 24.56 MB / 1.01 GB Notification: Performance of simCode: created initialization part: time 0.002823/0.8064, allocations: 1.517 MB / 1.105 GB, free: 24.5 MB / 1.01 GB Notification: Performance of simCode: created event and clocks part: time 5.907e-05/0.8064, allocations: 36.53 kB / 1.105 GB, free: 24.5 MB / 1.01 GB Notification: Performance of simCode: created simulation system equations: time 0.0006439/0.8071, allocations: 419.9 kB / 1.105 GB, free: 24.49 MB / 1.01 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00415/0.8112, allocations: 1.484 MB / 1.107 GB, free: 24.27 MB / 1.01 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00801/0.8192, allocations: 4.921 MB / 1.112 GB, free: 22 MB / 1.01 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005583/0.8198, allocations: 0.5881 MB / 1.112 GB, free: 21.89 MB / 1.01 GB Notification: Performance of simCode: alias equations: time 0.003058/0.8229, allocations: 0.6449 MB / 1.113 GB, free: 21.65 MB / 1.01 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002931/0.8258, allocations: 1.044 MB / 1.114 GB, free: 21.55 MB / 1.01 GB Notification: Performance of SimCode: time 2.415e-06/0.8258, allocations: 1.094 kB / 1.114 GB, free: 21.55 MB / 1.01 GB Notification: Performance of Templates: time 0.0733/0.8991, allocations: 65.93 MB / 1.178 GB, free: 7.93 MB / 1.026 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active.pipe ; mkfifo Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active.pipe >> ../files/Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active.sim & ./Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_latest_Buildings.Fluid.DataCenters.Racks.RearDoorHeatExchangers.Examples.Active.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 7.428025184199214]