Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.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 0.001729/0.001729, allocations: 110 kB / 18.93 MB, free: 2.945 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 0.001982/0.001982, allocations: 192.5 kB / 22.23 MB, free: 5.16 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 1.494/1.494, allocations: 225.6 MB / 251 MB, free: 13.02 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.2-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.2-maint.10.0.x/package.mo): time 2.66/2.66, allocations: 443.4 MB / 0.7321 GB, free: 12.29 MB / 0.5919 GB " [Timeout remaining time 176] Using package Buildings with version 10.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.2-maint.10.0.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.Fluid.FixedResistances.Examples.FlowJunction,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|spl.port_1.m_flow|spl.port_2.m_flow|spl.port_3.m_flow|spl.port_1.p|spl.port_2.p|spl.port_3.p|spl.res1.dp|spl.res2.dp|spl.res3.dp|senTem1.T|senTem2.T|senTem3.T",fileNamePrefix="Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction") translateModel(Buildings.Fluid.FixedResistances.Examples.FlowJunction,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|spl.port_1.m_flow|spl.port_2.m_flow|spl.port_3.m_flow|spl.port_1.p|spl.port_2.p|spl.port_3.p|spl.res1.dp|spl.res2.dp|spl.res3.dp|senTem1.T|senTem2.T|senTem3.T",fileNamePrefix="Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002338/0.002338, allocations: 63.89 kB / 1.061 GB, free: 2.988 MB / 0.8575 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.11/1.112, allocations: 160.8 MB / 1.218 GB, free: 3.695 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Examples.FlowJunction): time 0.3515/1.464, allocations: 241.6 MB / 1.454 GB, free: 4.812 MB / 1.154 GB Notification: Performance of NFInst.instExpressions: time 0.01645/1.48, allocations: 7.254 MB / 1.461 GB, free: 13.55 MB / 1.17 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002585/1.483, allocations: 71.38 kB / 1.462 GB, free: 13.48 MB / 1.17 GB Notification: Performance of NFTyping.typeComponents: time 0.002962/1.486, allocations: 0.7261 MB / 1.462 GB, free: 12.75 MB / 1.17 GB Notification: Performance of NFTyping.typeBindings: time 0.008122/1.494, allocations: 2.201 MB / 1.464 GB, free: 10.54 MB / 1.17 GB Notification: Performance of NFTyping.typeClassSections: time 0.008224/1.502, allocations: 2.122 MB / 1.466 GB, free: 8.422 MB / 1.17 GB Notification: Performance of NFFlatten.flatten: time 0.007787/1.51, allocations: 3.352 MB / 1.47 GB, free: 5.062 MB / 1.17 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002576/1.513, allocations: 0.8609 MB / 1.471 GB, free: 4.18 MB / 1.17 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006125/1.519, allocations: 1.884 MB / 1.472 GB, free: 2.289 MB / 1.17 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003084/1.522, allocations: 1.026 MB / 1.473 GB, free: 1.266 MB / 1.17 GB Notification: Performance of NFPackage.collectConstants: time 0.0006167/1.522, allocations: 124 kB / 1.474 GB, free: 1.145 MB / 1.17 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007654/1.53, allocations: 2.665 MB / 1.476 GB, free: 14.47 MB / 1.186 GB Notification: Performance of NFScalarize.scalarize: time 0.001011/1.531, allocations: 482.5 kB / 1.477 GB, free: 14 MB / 1.186 GB Notification: Performance of NFVerifyModel.verify: time 0.001891/1.533, allocations: 0.7194 MB / 1.477 GB, free: 13.28 MB / 1.186 GB Notification: Performance of NFConvertDAE.convert: time 0.007472/1.54, allocations: 2.694 MB / 1.48 GB, free: 10.57 MB / 1.186 GB Notification: Performance of FrontEnd - DAE generated: time 6.432e-06/1.54, allocations: 3.938 kB / 1.48 GB, free: 10.57 MB / 1.186 GB Notification: Performance of FrontEnd: time 1.734e-06/1.54, allocations: 0 / 1.48 GB, free: 10.57 MB / 1.186 GB Notification: Performance of Transformations before backend: time 8.716e-05/1.541, allocations: 0 / 1.48 GB, free: 10.57 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: 197 * Number of variables: 197 Notification: Performance of Generate backend data structure: time 0.004918/1.545, allocations: 1.753 MB / 1.482 GB, free: 8.758 MB / 1.186 GB Notification: Performance of prepare preOptimizeDAE: time 6.377e-05/1.546, allocations: 12.03 kB / 1.482 GB, free: 8.746 MB / 1.186 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002996/1.549, allocations: 430.7 kB / 1.482 GB, free: 8.324 MB / 1.186 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002107/1.551, allocations: 1.023 MB / 1.483 GB, free: 7.258 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.395e-05/1.551, allocations: 62 kB / 1.483 GB, free: 7.199 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000147/1.551, allocations: 84 kB / 1.483 GB, free: 7.117 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001769/1.553, allocations: 0.8779 MB / 1.484 GB, free: 6.23 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.837e-05/1.553, allocations: 3.953 kB / 1.484 GB, free: 6.227 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.029e-05/1.553, allocations: 32 kB / 1.484 GB, free: 6.195 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.087e-05/1.553, allocations: 26 kB / 1.484 GB, free: 6.168 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001632/1.554, allocations: 0.8081 MB / 1.485 GB, free: 5.363 MB / 1.186 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 0.005949/1.56, allocations: 3.643 MB / 1.488 GB, free: 1.426 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00176/1.562, allocations: 1.074 MB / 1.49 GB, free: 244 kB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006959/1.563, allocations: 346.8 kB / 1.49 GB, free: 15.89 MB / 1.201 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008832/1.564, allocations: 408.7 kB / 1.49 GB, free: 15.43 MB / 1.201 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.876e-05/1.564, allocations: 43.06 kB / 1.49 GB, free: 15.38 MB / 1.201 GB Notification: Performance of pre-optimization done (n=60): time 3.076e-06/1.564, allocations: 0 / 1.49 GB, free: 15.38 MB / 1.201 GB Notification: Performance of matching and sorting (n=60): time 0.002423/1.566, allocations: 0.961 MB / 1.491 GB, free: 14.41 MB / 1.201 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.787e-05/1.566, allocations: 55.91 kB / 1.491 GB, free: 14.34 MB / 1.201 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001273/1.567, allocations: 0.836 MB / 1.492 GB, free: 13.48 MB / 1.201 GB Notification: Performance of collectPreVariables (initialization): time 7.486e-05/1.568, allocations: 41.7 kB / 1.492 GB, free: 13.43 MB / 1.201 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005092/1.568, allocations: 484.8 kB / 1.493 GB, free: 12.95 MB / 1.201 GB Notification: Performance of collectInitialBindings (initialization): time 0.000267/1.568, allocations: 222 kB / 1.493 GB, free: 12.73 MB / 1.201 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002073/1.569, allocations: 114.3 kB / 1.493 GB, free: 12.62 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001705/1.569, allocations: 326 kB / 1.493 GB, free: 12.29 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005152/1.569, allocations: 255.3 kB / 1.493 GB, free: 12.04 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006478/1.57, allocations: 372.4 kB / 1.494 GB, free: 11.64 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001093/1.571, allocations: 0.5942 MB / 1.494 GB, free: 11.03 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.757e-06/1.571, allocations: 0 / 1.494 GB, free: 11.03 MB / 1.201 GB Notification: Performance of matching and sorting (n=69) (initialization): time 0.001524/1.572, allocations: 0.7387 MB / 1.495 GB, free: 10.29 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 2.091e-05/1.572, allocations: 8.125 kB / 1.495 GB, free: 10.28 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.168e-06/1.573, allocations: 7.938 kB / 1.495 GB, free: 10.27 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.381e-05/1.573, allocations: 4 kB / 1.495 GB, free: 10.27 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006563/1.573, allocations: 123.9 kB / 1.495 GB, free: 10.14 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.52e-05/1.573, allocations: 7.984 kB / 1.495 GB, free: 10.14 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008614/1.574, allocations: 67.59 kB / 1.495 GB, free: 10.07 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.984e-05/1.574, allocations: 27.92 kB / 1.495 GB, free: 10.04 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009244/1.575, allocations: 0.4895 MB / 1.496 GB, free: 9.551 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006179/1.576, allocations: 360.5 kB / 1.496 GB, free: 9.168 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001117/1.577, allocations: 0.5825 MB / 1.497 GB, free: 8.57 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.893e-06/1.577, allocations: 7.938 kB / 1.497 GB, free: 8.562 MB / 1.201 GB Notification: Performance of matching and sorting (n=69) (initialization_lambda0): time 0.001453/1.578, allocations: 0.7347 MB / 1.497 GB, free: 7.82 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 1.799e-05/1.578, allocations: 4 kB / 1.497 GB, free: 7.816 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.392e-06/1.578, allocations: 4 kB / 1.497 GB, free: 7.812 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.312e-06/1.578, allocations: 0 / 1.497 GB, free: 7.812 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005645/1.579, allocations: 135.9 kB / 1.498 GB, free: 7.68 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.725e-06/1.579, allocations: 4 kB / 1.498 GB, free: 7.676 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007533/1.58, allocations: 59.73 kB / 1.498 GB, free: 7.617 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.053e-05/1.58, allocations: 20 kB / 1.498 GB, free: 7.598 MB / 1.201 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * 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 (69): * Single equations (assignments): 69 * 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 0.0002577/1.58, allocations: 224 kB / 1.498 GB, free: 7.371 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000172/1.58, allocations: 111.2 kB / 1.498 GB, free: 7.262 MB / 1.201 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001551/1.582, allocations: 0.7379 MB / 1.499 GB, free: 6.52 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.494e-06/1.582, allocations: 4 kB / 1.499 GB, free: 6.516 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.44e-06/1.582, allocations: 4 kB / 1.499 GB, free: 6.512 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00134/1.583, allocations: 0.8979 MB / 1.5 GB, free: 5.527 MB / 1.201 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004074/1.587, allocations: 2.255 MB / 1.502 GB, free: 3.129 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.22e-06/1.587, allocations: 4.094 kB / 1.502 GB, free: 3.125 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007257/1.588, allocations: 135.8 kB / 1.502 GB, free: 2.992 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.387e-05/1.588, allocations: 8 kB / 1.502 GB, free: 2.984 MB / 1.201 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.558e-05/1.588, allocations: 24 kB / 1.502 GB, free: 2.961 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.142e-05/1.588, allocations: 4 kB / 1.502 GB, free: 2.957 MB / 1.201 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.909e-06/1.588, allocations: 4 kB / 1.502 GB, free: 2.953 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00225/1.59, allocations: 1.233 MB / 1.503 GB, free: 1.668 MB / 1.201 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005303/1.591, allocations: 260.3 kB / 1.503 GB, free: 1.395 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001151/1.591, allocations: 23.94 kB / 1.503 GB, free: 1.371 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006604/1.591, allocations: 50.5 kB / 1.504 GB, free: 1.324 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001362/1.592, allocations: 48.3 kB / 1.504 GB, free: 1.277 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.14e-05/1.592, allocations: 24 kB / 1.504 GB, free: 1.254 MB / 1.201 GB Notification: Performance of sorting global known variables: time 0.0008836/1.592, allocations: 0.5862 MB / 1.504 GB, free: 0.6562 MB / 1.201 GB Notification: Performance of sort global known variables: time 1e-07/1.592, allocations: 0 / 1.504 GB, free: 0.6562 MB / 1.201 GB Notification: Performance of remove unused functions: time 0.001498/1.594, allocations: 0.538 MB / 1.505 GB, free: 120 kB / 1.201 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 6 (spl.vol.dynBal.medium.Xi[1],spl.vol.dynBal.U,spl.vol.dynBal.m,senTem1.T,senTem2.T,senTem3.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 (60): * Single equations (assignments): 60 * 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 0.000652/1.595, allocations: 246 kB / 1.505 GB, free: 15.88 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.002009/1.597, allocations: 0.8887 MB / 1.506 GB, free: 14.98 MB / 1.217 GB Notification: Performance of simCode: created event and clocks part: time 6.753e-06/1.597, allocations: 4.5 kB / 1.506 GB, free: 14.97 MB / 1.217 GB Notification: Performance of simCode: created simulation system equations: time 0.0006456/1.597, allocations: 330.2 kB / 1.506 GB, free: 14.65 MB / 1.217 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002654/1.6, allocations: 0.5974 MB / 1.507 GB, free: 14.06 MB / 1.217 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00403/1.604, allocations: 2.159 MB / 1.509 GB, free: 11.83 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001057/1.605, allocations: 1.128 MB / 1.51 GB, free: 10.67 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.001392/1.606, allocations: 296.1 kB / 1.51 GB, free: 10.38 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000242/1.607, allocations: 83.42 kB / 1.51 GB, free: 10.3 MB / 1.217 GB Notification: Performance of SimCode: time 1.492e-06/1.607, allocations: 0 / 1.51 GB, free: 10.3 MB / 1.217 GB Notification: Performance of Templates: time 0.04249/1.649, allocations: 21.02 MB / 1.531 GB, free: 5.59 MB / 1.232 GB " [Timeout remaining time 298] make -j1 -f Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.makefile [Timeout 300] (rm -f Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe ; mkfifo Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe >> ../files/Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.sim & ./Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_FixedResistances_Examples_FlowJunction.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.FixedResistances.Examples.FlowJunction.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: 10.55951922480017]