Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.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 0.001224/0.001224, allocations: 103.6 kB / 18.95 MB, free: 2.691 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 0.001358/0.001358, allocations: 215.7 kB / 22.25 MB, free: 4.73 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 1.419/1.419, allocations: 230.6 MB / 256 MB, free: 7.801 MB / 206.1 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 3.063/3.063, allocations: 0.4892 GB / 0.7943 GB, free: 35.61 MB / 0.6231 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: "" <> buildModelFMU(Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate,fileNamePrefix="Buildings_12_Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate,fileNamePrefix="Buildings_12_Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate",fmuType="me",version="2.0",platforms={"static"}) [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 0.001986/0.001986, allocations: 70.73 kB / 1.153 GB, free: 25.74 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.318/0.32, allocations: 176.1 MB / 1.325 GB, free: 2.395 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate): time 0.1909/0.5109, allocations: 158.6 MB / 1.48 GB, free: 3.254 MB / 1.17 GB Notification: Performance of NFInst.instExpressions: time 0.01004/0.5209, allocations: 7.208 MB / 1.487 GB, free: 12.02 MB / 1.186 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006091/0.5216, allocations: 27.75 kB / 1.487 GB, free: 12 MB / 1.186 GB Notification: Performance of NFTyping.typeComponents: time 0.0007693/0.5223, allocations: 250.2 kB / 1.487 GB, free: 11.75 MB / 1.186 GB Notification: Performance of NFTyping.typeBindings: time 0.003226/0.5256, allocations: 1.213 MB / 1.488 GB, free: 10.53 MB / 1.186 GB Notification: Performance of NFTyping.typeClassSections: time 0.00204/0.5276, allocations: 0.762 MB / 1.489 GB, free: 9.773 MB / 1.186 GB Notification: Performance of NFFlatten.flatten: time 0.001603/0.5292, allocations: 1.08 MB / 1.49 GB, free: 8.691 MB / 1.186 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007268/0.5299, allocations: 325.7 kB / 1.491 GB, free: 8.359 MB / 1.186 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00313/0.5331, allocations: 1.015 MB / 1.492 GB, free: 7.352 MB / 1.186 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008836/0.5339, allocations: 422.4 kB / 1.492 GB, free: 6.938 MB / 1.186 GB Notification: Performance of NFPackage.collectConstants: time 0.0001262/0.5341, allocations: 40 kB / 1.492 GB, free: 6.898 MB / 1.186 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001778/0.5358, allocations: 0.787 MB / 1.493 GB, free: 6.109 MB / 1.186 GB Notification: Performance of NFScalarize.scalarize: time 0.0003086/0.5362, allocations: 155.5 kB / 1.493 GB, free: 5.957 MB / 1.186 GB Notification: Performance of NFVerifyModel.verify: time 0.0003764/0.5365, allocations: 203.1 kB / 1.493 GB, free: 5.758 MB / 1.186 GB Notification: Performance of NFConvertDAE.convert: time 0.001851/0.5384, allocations: 0.9187 MB / 1.494 GB, free: 4.836 MB / 1.186 GB Notification: Performance of FrontEnd - DAE generated: time 4.619e-06/0.5384, allocations: 0 / 1.494 GB, free: 4.836 MB / 1.186 GB Notification: Performance of FrontEnd: time 1.583e-06/0.5384, allocations: 4 kB / 1.494 GB, free: 4.832 MB / 1.186 GB Notification: Performance of Transformations before backend: time 2.901e-05/0.5384, allocations: 0 / 1.494 GB, free: 4.832 MB / 1.186 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 93 * Number of variables: 93 Notification: Performance of Generate backend data structure: time 0.001467/0.5399, allocations: 0.7497 MB / 1.495 GB, free: 4.051 MB / 1.186 GB Notification: Performance of prepare preOptimizeDAE: time 4.985e-05/0.5399, allocations: 8.031 kB / 1.495 GB, free: 4.043 MB / 1.186 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001072/0.54, allocations: 78.47 kB / 1.495 GB, free: 3.957 MB / 1.186 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009753/0.541, allocations: 155.5 kB / 1.495 GB, free: 3.805 MB / 1.186 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007165/0.5417, allocations: 336.5 kB / 1.495 GB, free: 3.449 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.9e-05/0.5418, allocations: 29 kB / 1.495 GB, free: 3.422 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.993e-05/0.5418, allocations: 36 kB / 1.495 GB, free: 3.387 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008038/0.5426, allocations: 454.3 kB / 1.496 GB, free: 2.914 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.514e-05/0.5427, allocations: 0 / 1.496 GB, free: 2.914 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.681e-05/0.5427, allocations: 23.88 kB / 1.496 GB, free: 2.891 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.685e-05/0.5427, allocations: 11.94 kB / 1.496 GB, free: 2.879 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006489/0.5434, allocations: 319.8 kB / 1.496 GB, free: 2.57 MB / 1.186 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002277/0.5456, allocations: 1.493 MB / 1.498 GB, free: 1.012 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004242/0.5461, allocations: 227.9 kB / 1.498 GB, free: 0.7812 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002521/0.5463, allocations: 136.8 kB / 1.498 GB, free: 0.6445 MB / 1.186 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004713/0.5468, allocations: 79.91 kB / 1.498 GB, free: 0.5664 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.971e-05/0.5468, allocations: 34.5 kB / 1.498 GB, free: 0.5234 MB / 1.186 GB Notification: Performance of pre-optimization done (n=24): time 1.994e-06/0.5468, allocations: 0 / 1.498 GB, free: 0.5234 MB / 1.186 GB Notification: Performance of matching and sorting (n=24): time 0.001061/0.5479, allocations: 455.5 kB / 1.498 GB, free: 76 kB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.333e-05/0.5479, allocations: 59.41 kB / 1.498 GB, free: 4 kB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004744/0.5484, allocations: 401.9 kB / 1.499 GB, free: 15.61 MB / 1.201 GB Notification: Performance of collectPreVariables (initialization): time 3.554e-05/0.5484, allocations: 29.7 kB / 1.499 GB, free: 15.57 MB / 1.201 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001853/0.5486, allocations: 236.5 kB / 1.499 GB, free: 15.34 MB / 1.201 GB Notification: Performance of collectInitialBindings (initialization): time 8.372e-05/0.5487, allocations: 83.27 kB / 1.499 GB, free: 15.25 MB / 1.201 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.709e-05/0.5488, allocations: 65.62 kB / 1.499 GB, free: 15.18 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001613/0.549, allocations: 354.7 kB / 1.5 GB, free: 14.83 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002373/0.5492, allocations: 107.9 kB / 1.5 GB, free: 14.72 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003549/0.5495, allocations: 271.7 kB / 1.5 GB, free: 14.41 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005441/0.5501, allocations: 300.5 kB / 1.5 GB, free: 14.1 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.817e-06/0.5501, allocations: 0 / 1.5 GB, free: 14.1 MB / 1.201 GB Notification: Performance of matching and sorting (n=31) (initialization): time 0.0007069/0.5508, allocations: 367.6 kB / 1.501 GB, free: 13.73 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 2.513e-05/0.5508, allocations: 9.719 kB / 1.501 GB, free: 13.73 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.095e-06/0.5508, allocations: 0 / 1.501 GB, free: 13.73 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.484e-05/0.5509, allocations: 4 kB / 1.501 GB, free: 13.72 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002943/0.5512, allocations: 59.91 kB / 1.501 GB, free: 13.66 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.323e-05/0.5512, allocations: 7.984 kB / 1.501 GB, free: 13.66 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002644/0.5514, allocations: 39.94 kB / 1.501 GB, free: 13.62 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.205e-05/0.5515, allocations: 19.98 kB / 1.501 GB, free: 13.6 MB / 1.201 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * 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 (31): * Single equations (assignments): 31 * 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 0.0002137/0.5517, allocations: 169.7 kB / 1.501 GB, free: 13.42 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.634e-05/0.5518, allocations: 43.72 kB / 1.501 GB, free: 13.38 MB / 1.201 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007473/0.5525, allocations: 369 kB / 1.501 GB, free: 13.01 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.662e-06/0.5525, allocations: 4 kB / 1.501 GB, free: 13 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.999e-06/0.5525, allocations: 0 / 1.501 GB, free: 13 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.737e-06/0.5525, allocations: 0 / 1.501 GB, free: 13 MB / 1.201 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001571/0.5541, allocations: 0.8776 MB / 1.502 GB, free: 12.05 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.14e-06/0.5541, allocations: 4 kB / 1.502 GB, free: 12.05 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000247/0.5544, allocations: 47.91 kB / 1.502 GB, free: 12 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.668e-06/0.5544, allocations: 7.938 kB / 1.502 GB, free: 12 MB / 1.201 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.28e-05/0.5544, allocations: 8 kB / 1.502 GB, free: 11.99 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.206e-06/0.5544, allocations: 8.156 kB / 1.502 GB, free: 11.98 MB / 1.201 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.836e-06/0.5544, allocations: 7.938 kB / 1.502 GB, free: 11.97 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009704/0.5554, allocations: 0.6219 MB / 1.503 GB, free: 11.31 MB / 1.201 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001757/0.5556, allocations: 75.59 kB / 1.503 GB, free: 11.24 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.687e-05/0.5556, allocations: 8 kB / 1.503 GB, free: 11.23 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002281/0.5558, allocations: 11.98 kB / 1.503 GB, free: 11.22 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.65e-05/0.5559, allocations: 23.91 kB / 1.503 GB, free: 11.2 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.652e-05/0.5559, allocations: 12.06 kB / 1.503 GB, free: 11.18 MB / 1.201 GB Notification: Performance of sorting global known variables: time 0.000306/0.5562, allocations: 287.1 kB / 1.503 GB, free: 10.91 MB / 1.201 GB Notification: Performance of sort global known variables: time 8.1e-08/0.5562, allocations: 0 / 1.503 GB, free: 10.91 MB / 1.201 GB Notification: Performance of remove unused functions: time 0.0004885/0.5567, allocations: 111.8 kB / 1.503 GB, free: 10.8 MB / 1.201 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 1 (senH.h_out) * 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 (24): * Single equations (assignments): 24 * 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 0.001497/0.5582, allocations: 1.22 MB / 1.505 GB, free: 9.531 MB / 1.201 GB Notification: Performance of simCode: created initialization part: time 0.0006192/0.5588, allocations: 281.4 kB / 1.505 GB, free: 9.258 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 3.607e-06/0.5588, allocations: 4 kB / 1.505 GB, free: 9.254 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.0002822/0.5591, allocations: 143.8 kB / 1.505 GB, free: 9.113 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001062/0.5602, allocations: 213.7 kB / 1.505 GB, free: 8.906 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005151/0.5653, allocations: 3.809 MB / 1.509 GB, free: 4.934 MB / 1.201 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002346/0.5656, allocations: 220.1 kB / 1.509 GB, free: 4.691 MB / 1.201 GB Notification: Performance of simCode: alias equations: time 0.0003263/0.5659, allocations: 107.4 kB / 1.509 GB, free: 4.586 MB / 1.201 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000206/0.5661, allocations: 139.4 kB / 1.509 GB, free: 4.453 MB / 1.201 GB Notification: Performance of SimCode: time 5.81e-07/0.5661, allocations: 0 / 1.509 GB, free: 4.453 MB / 1.201 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05349/0.6196, allocations: 13.07 MB / 1.522 GB, free: 7.73 MB / 1.217 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.13/11.75, allocations: 9.422 kB / 1.522 GB, free: 7.723 MB / 1.217 GB " [Timeout remaining time 288] (rm -f Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe ; mkfifo Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe >> ../files/Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv --start-time 0 --stop-time 60 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.024 Buildings_12_Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate.fmu > Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable senMasFlo.m_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senMasFlo.m_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable senH_flow.H_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senH_flow.H_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable senHSen_flow.H_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senHSen_flow.H_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable senHLat_flow.H_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senHLat_flow.H_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable pro.y in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable pro.y from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable add.y in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable add.y from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 18.143889117985964]