Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier.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 0.0009134/0.0009134, allocations: 84.86 kB / 21.62 MB, free: 2.836 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 0.001493/0.001493, allocations: 163.2 kB / 25.05 MB, free: 9.148 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 0.9695/0.9695, allocations: 177.1 MB / 205.5 MB, free: 5.465 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.924/1.924, allocations: 389.6 MB / 0.6363 GB, free: 12.28 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.Fluid.Interfaces.Examples.ReverseFlowHumidifier,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier") translateModel(Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.573e-06/1.573e-06, allocations: 0.875 kB / 0.7762 GB, free: 5.258 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.916e-05/2.073e-05, allocations: 2.969 kB / 0.7762 GB, free: 5.254 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier): time 0.1229/0.1229, allocations: 159.7 MB / 0.9321 GB, free: 5.199 MB / 0.8855 GB Notification: Performance of NFInst.instExpressions: time 0.007783/0.1307, allocations: 6.147 MB / 0.9381 GB, free: 15.04 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008146/0.1315, allocations: 99.19 kB / 0.9382 GB, free: 14.95 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.0007962/0.1323, allocations: 484.4 kB / 0.9386 GB, free: 14.47 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.002415/0.1347, allocations: 1.934 MB / 0.9405 GB, free: 12.52 MB / 0.9011 GB Notification: Performance of NFTyping.typeClassSections: time 0.001996/0.1367, allocations: 1.391 MB / 0.9419 GB, free: 11.13 MB / 0.9011 GB Notification: Performance of NFFlatten.flatten: time 0.003849/0.1406, allocations: 4.801 MB / 0.9466 GB, free: 6.312 MB / 0.9011 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002289/0.1429, allocations: 1.621 MB / 0.9482 GB, free: 4.715 MB / 0.9011 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002759/0.1456, allocations: 2.675 MB / 0.9508 GB, free: 2.109 MB / 0.9011 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001111/0.1467, allocations: 1.317 MB / 0.9521 GB, free: 0.7891 MB / 0.9011 GB Notification: Performance of NFPackage.collectConstants: time 0.000182/0.1469, allocations: 188 kB / 0.9522 GB, free: 0.6055 MB / 0.9011 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009947/0.1479, allocations: 0.7796 MB / 0.953 GB, free: 15.82 MB / 0.9167 GB Notification: Performance of NFScalarize.scalarize: time 0.0004315/0.1483, allocations: 0.7868 MB / 0.9538 GB, free: 15.04 MB / 0.9167 GB Notification: Performance of NFVerifyModel.verify: time 0.0005341/0.1489, allocations: 0.7835 MB / 0.9545 GB, free: 14.25 MB / 0.9167 GB Notification: Performance of NFConvertDAE.convert: time 0.001757/0.1506, allocations: 2.029 MB / 0.9565 GB, free: 12.21 MB / 0.9167 GB Notification: Performance of FrontEnd - DAE generated: time 2.995e-06/0.1506, allocations: 4 kB / 0.9565 GB, free: 12.21 MB / 0.9167 GB Notification: Performance of FrontEnd: time 1.102e-06/0.1506, allocations: 0 / 0.9565 GB, free: 12.21 MB / 0.9167 GB Notification: Performance of Transformations before backend: time 1.659e-05/0.1507, allocations: 0 / 0.9565 GB, free: 12.21 MB / 0.9167 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 324 * Number of variables: 324 Notification: Performance of Generate backend data structure: time 0.001928/0.1526, allocations: 2.189 MB / 0.9586 GB, free: 9.977 MB / 0.9167 GB Notification: Performance of prepare preOptimizeDAE: time 2.855e-05/0.1526, allocations: 9.344 kB / 0.9587 GB, free: 9.969 MB / 0.9167 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001554/0.1542, allocations: 0.577 MB / 0.9592 GB, free: 9.391 MB / 0.9167 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001118/0.1553, allocations: 1.058 MB / 0.9603 GB, free: 8.281 MB / 0.9167 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.253e-05/0.1553, allocations: 106.5 kB / 0.9604 GB, free: 8.176 MB / 0.9167 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001367/0.1555, allocations: 147.9 kB / 0.9605 GB, free: 8.031 MB / 0.9167 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009878/0.1565, allocations: 1.412 MB / 0.9619 GB, free: 6.465 MB / 0.9167 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.287e-05/0.1565, allocations: 4 kB / 0.9619 GB, free: 6.461 MB / 0.9167 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.358e-05/0.1566, allocations: 52 kB / 0.9619 GB, free: 6.41 MB / 0.9167 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.587e-05/0.1566, allocations: 46.52 kB / 0.962 GB, free: 6.363 MB / 0.9167 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005352/0.1571, allocations: 438.8 kB / 0.9624 GB, free: 5.918 MB / 0.9167 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 0.00366/0.1608, allocations: 3.328 MB / 0.9656 GB, free: 2.508 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004329/0.1612, allocations: 412.8 kB / 0.966 GB, free: 2.094 MB / 0.9167 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001565/0.1614, allocations: 157.3 kB / 0.9662 GB, free: 1.938 MB / 0.9167 GB Notification: Performance of preOpt evalFunc (simulation): time 9.167e-05/0.1615, allocations: 36.62 kB / 0.9662 GB, free: 1.902 MB / 0.9167 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.632e-05/0.1615, allocations: 43.22 kB / 0.9663 GB, free: 1.852 MB / 0.9167 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0004517/0.1619, allocations: 211.2 kB / 0.9665 GB, free: 1.645 MB / 0.9167 GB Notification: Performance of pre-optimization done (n=67): time 1.703e-06/0.162, allocations: 0 / 0.9665 GB, free: 1.645 MB / 0.9167 GB Notification: Performance of matching and sorting (n=67): time 0.0006519/0.1626, allocations: 485.8 kB / 0.9669 GB, free: 1.164 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.786e-05/0.1626, allocations: 60.06 kB / 0.967 GB, free: 1.094 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005742/0.1632, allocations: 0.965 MB / 0.9679 GB, free: 112 kB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 5.101e-05/0.1633, allocations: 45.7 kB / 0.968 GB, free: 60 kB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002611/0.1635, allocations: 0.6202 MB / 0.9686 GB, free: 15.43 MB / 0.9323 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001284/0.1636, allocations: 253.8 kB / 0.9688 GB, free: 15.18 MB / 0.9323 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004296/0.1641, allocations: 194.4 kB / 0.969 GB, free: 14.98 MB / 0.9323 GB Notification: Performance of setup shared object (initialization): time 7.734e-05/0.1642, allocations: 341.9 kB / 0.9693 GB, free: 14.64 MB / 0.9323 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001555/0.1643, allocations: 127.6 kB / 0.9695 GB, free: 14.51 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003862/0.1647, allocations: 0.8462 MB / 0.9703 GB, free: 13.43 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004527/0.1651, allocations: 0.5749 MB / 0.9708 GB, free: 12.76 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.967e-06/0.1652, allocations: 0 / 0.9708 GB, free: 12.76 MB / 0.9323 GB Notification: Performance of matching and sorting (n=121) (initialization): time 0.0005987/0.1657, allocations: 0.5931 MB / 0.9714 GB, free: 12.15 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 1.535e-05/0.1658, allocations: 11.94 kB / 0.9714 GB, free: 12.14 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.063e-05/0.1658, allocations: 8 kB / 0.9714 GB, free: 12.13 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.343e-05/0.1658, allocations: 12 kB / 0.9714 GB, free: 12.12 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005017/0.1663, allocations: 232.2 kB / 0.9717 GB, free: 11.89 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.586e-06/0.1663, allocations: 12 kB / 0.9717 GB, free: 11.88 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00046/0.1668, allocations: 59.45 kB / 0.9717 GB, free: 11.82 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.852e-05/0.1668, allocations: 39.97 kB / 0.9718 GB, free: 11.79 MB / 0.9323 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002797/0.1671, allocations: 223.7 kB / 0.972 GB, free: 11.56 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003724/0.1675, allocations: 0.8384 MB / 0.9728 GB, free: 10.48 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004329/0.1679, allocations: 0.5645 MB / 0.9734 GB, free: 9.82 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.436e-06/0.1679, allocations: 4 kB / 0.9734 GB, free: 9.816 MB / 0.9323 GB Notification: Performance of matching and sorting (n=121) (initialization_lambda0): time 0.0005806/0.1685, allocations: 0.5935 MB / 0.9739 GB, free: 9.211 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 8.506e-06/0.1685, allocations: 9.719 kB / 0.974 GB, free: 9.203 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.134e-06/0.1685, allocations: 11.94 kB / 0.974 GB, free: 9.191 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.777e-06/0.1685, allocations: 12 kB / 0.974 GB, free: 9.18 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004673/0.169, allocations: 231.6 kB / 0.9742 GB, free: 8.953 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.578e-06/0.169, allocations: 19.92 kB / 0.9742 GB, free: 8.934 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004559/0.1694, allocations: 47.91 kB / 0.9743 GB, free: 8.887 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.608e-05/0.1695, allocations: 36.2 kB / 0.9743 GB, free: 8.852 MB / 0.9323 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 32 * 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 (119): * Single equations (assignments): 117 * Array equations: 2 * 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 0.000136/0.1696, allocations: 240 kB / 0.9745 GB, free: 8.609 MB / 0.9323 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001179/0.1697, allocations: 111.8 kB / 0.9746 GB, free: 8.5 MB / 0.9323 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005166/0.1702, allocations: 490.8 kB / 0.9751 GB, free: 8.012 MB / 0.9323 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.14e-06/0.1703, allocations: 8 kB / 0.9751 GB, free: 8.004 MB / 0.9323 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.523e-06/0.1703, allocations: 0 / 0.9751 GB, free: 8.004 MB / 0.9323 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.000534/0.1708, allocations: 433.3 kB / 0.9755 GB, free: 7.535 MB / 0.9323 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001229/0.172, allocations: 1.26 MB / 0.9767 GB, free: 6.211 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.657e-06/0.172, allocations: 4 kB / 0.9768 GB, free: 6.207 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005574/0.1726, allocations: 216 kB / 0.977 GB, free: 5.992 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.429e-06/0.1726, allocations: 8 kB / 0.977 GB, free: 5.984 MB / 0.9323 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.258e-05/0.1726, allocations: 23.98 kB / 0.977 GB, free: 5.961 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.606e-06/0.1726, allocations: 4 kB / 0.977 GB, free: 5.957 MB / 0.9323 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.044e-06/0.1726, allocations: 3.984 kB / 0.977 GB, free: 5.953 MB / 0.9323 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005928/0.1732, allocations: 0.7238 MB / 0.9777 GB, free: 5.18 MB / 0.9323 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002306/0.1734, allocations: 179.2 kB / 0.9779 GB, free: 5.004 MB / 0.9323 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.058e-05/0.1735, allocations: 16 kB / 0.9779 GB, free: 4.988 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003478/0.1739, allocations: 29.67 kB / 0.9779 GB, free: 4.961 MB / 0.9323 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.833e-05/0.1739, allocations: 56.44 kB / 0.978 GB, free: 4.906 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.354e-05/0.174, allocations: 36.03 kB / 0.978 GB, free: 4.871 MB / 0.9323 GB Notification: Performance of sorting global known variables: time 0.0003117/0.1743, allocations: 477.9 kB / 0.9785 GB, free: 4.398 MB / 0.9323 GB Notification: Performance of sort global known variables: time 5e-08/0.1743, allocations: 0 / 0.9785 GB, free: 4.398 MB / 0.9323 GB Notification: Performance of remove unused functions: time 0.001022/0.1753, allocations: 0.8809 MB / 0.9793 GB, free: 3.516 MB / 0.9323 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 6 (humBac.vol.dynBal.medium.Xi[1],humBac.vol.dynBal.U,humBac.vol.dynBal.m,humFor.vol.dynBal.medium.Xi[1],humFor.vol.dynBal.U,humFor.vol.dynBal.m) * 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 (71): * Single equations (assignments): 71 * 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 0.0002292/0.1755, allocations: 146.2 kB / 0.9795 GB, free: 3.367 MB / 0.9323 GB Notification: Performance of simCode: created initialization part: time 0.0007082/0.1762, allocations: 0.7164 MB / 0.9802 GB, free: 2.656 MB / 0.9323 GB Notification: Performance of simCode: created event and clocks part: time 1.512e-05/0.1763, allocations: 16.5 kB / 0.9802 GB, free: 2.641 MB / 0.9323 GB Notification: Performance of simCode: created simulation system equations: time 0.0001774/0.1764, allocations: 193.8 kB / 0.9804 GB, free: 2.445 MB / 0.9323 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00146/0.1779, allocations: 0.7449 MB / 0.9811 GB, free: 1.707 MB / 0.9323 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002751/0.1807, allocations: 2.473 MB / 0.9835 GB, free: 15.17 MB / 0.948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002129/0.1809, allocations: 330.9 kB / 0.9838 GB, free: 14.82 MB / 0.948 GB Notification: Performance of simCode: alias equations: time 0.0006532/0.1815, allocations: 267.2 kB / 0.9841 GB, free: 14.56 MB / 0.948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001007/0.1825, allocations: 0.5515 MB / 0.9846 GB, free: 14 MB / 0.948 GB Notification: Performance of SimCode: time 8.42e-07/0.1825, allocations: 0 / 0.9846 GB, free: 14 MB / 0.948 GB Notification: Performance of Templates: time 0.03045/0.213, allocations: 29.4 MB / 1.013 GB, free: 1.285 MB / 0.9636 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier.pipe ; mkfifo Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier.pipe >> ../files/Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier.sim & ./Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Fluid.Interfaces.Examples.ReverseFlowHumidifier.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.695181868970394]