Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo): time 0.5102/0.5102, allocations: 111.6 MB / 131.2 MB, free: 4.609 MB / 122.7 MB " [Timeout remaining time 179] Using package ThermoSysPro with version 4.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo) Running command: translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine") translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.134e-06/2.134e-06, allocations: 0 / 176.2 MB, free: 9.199 MB / 170.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.841e-05/2.054e-05, allocations: 4.703 kB / 176.2 MB, free: 9.195 MB / 170.7 MB Notification: Automatically loaded package Complex 4.1.0 due to uses annotation from Modelica. Notification: Automatically loaded package ModelicaServices 4.1.0 due to uses annotation from Modelica. Notification: Automatically loaded package Modelica 4.1.0 due to usage. Notification: Performance of NFInst.instantiate(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine): time 1.121/1.121, allocations: 257.5 MB / 433.7 MB, free: 15.88 MB / 394.7 MB Notification: Performance of NFInst.instExpressions: time 0.3681/1.489, allocations: 190 MB / 0.6091 GB, free: 5.547 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003362/1.489, allocations: 11.94 kB / 0.6091 GB, free: 5.535 MB / 0.5261 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/Machines/SteamEngine.mo:33:3-34:79:writable] Warning: Connector C1 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/Machines/SteamEngine.mo:35:3-36:77:writable] Warning: Connector C2 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/BoundaryConditions/SinkP.mo:32:3-33:80:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/BoundaryConditions/SourceP.mo:39:3-40:78:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.0005268/1.49, allocations: 186 kB / 0.6093 GB, free: 5.355 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.0003531/1.49, allocations: 198.6 kB / 0.6095 GB, free: 5.16 MB / 0.5261 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:470:9-470:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:525:9-525:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:708:9-708:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph.mo:51:3-51:60:writable] Warning: dh1satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph.mo:51:3-51:60:writable] Warning: dh2satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph_der.mo:118:3-118:151:writable] Warning: du1satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph_der.mo:118:3-118:151:writable] Warning: du2satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:964:9-964:35:writable] Warning: h was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ps.mo:51:3-51:60:writable] Warning: dh1satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ps.mo:51:3-51:60:writable] Warning: dh2satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. Notification: Performance of NFTyping.typeClassSections: time 0.02766/1.518, allocations: 14.68 MB / 0.6238 GB, free: 6.59 MB / 0.5417 GB Notification: Performance of NFFlatten.flatten: time 0.0006562/1.519, allocations: 0.5369 MB / 0.6243 GB, free: 6.051 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002438/1.519, allocations: 189.2 kB / 0.6245 GB, free: 5.863 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003157/1.519, allocations: 339.1 kB / 0.6248 GB, free: 5.531 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001738/1.519, allocations: 159.5 kB / 0.625 GB, free: 5.375 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 3.755e-05/1.519, allocations: 32 kB / 0.625 GB, free: 5.344 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.03132/1.551, allocations: 23.93 MB / 0.6484 GB, free: 13.38 MB / 0.573 GB Notification: Performance of NFScalarize.scalarize: time 0.0001376/1.551, allocations: 95.61 kB / 0.6485 GB, free: 13.29 MB / 0.573 GB Notification: Performance of NFVerifyModel.verify: time 0.0002123/1.551, allocations: 151.6 kB / 0.6486 GB, free: 13.14 MB / 0.573 GB Notification: Performance of NFConvertDAE.convert: time 0.02772/1.579, allocations: 15.45 MB / 0.6637 GB, free: 13.65 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 6.272e-06/1.579, allocations: 0 / 0.6637 GB, free: 13.65 MB / 0.5886 GB Notification: Performance of FrontEnd: time 1.593e-06/1.579, allocations: 0 / 0.6637 GB, free: 13.65 MB / 0.5886 GB Notification: Performance of Transformations before backend: time 8.546e-06/1.579, allocations: 0 / 0.6637 GB, free: 13.65 MB / 0.5886 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 115 * Number of variables: 115 Notification: Performance of Generate backend data structure: time 0.005379/1.584, allocations: 2.251 MB / 0.6659 GB, free: 11.35 MB / 0.5886 GB Notification: Performance of prepare preOptimizeDAE: time 4.269e-05/1.584, allocations: 11.98 kB / 0.6659 GB, free: 11.34 MB / 0.5886 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001117/1.584, allocations: 83.67 kB / 0.666 GB, free: 11.26 MB / 0.5886 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003085/1.585, allocations: 282.6 kB / 0.6663 GB, free: 10.96 MB / 0.5886 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.35e-05/1.585, allocations: 25 kB / 0.6663 GB, free: 10.93 MB / 0.5886 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.367e-05/1.585, allocations: 36 kB / 0.6663 GB, free: 10.9 MB / 0.5886 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005228/1.585, allocations: 392.2 kB / 0.6667 GB, free: 10.47 MB / 0.5886 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.343e-05/1.585, allocations: 7.938 kB / 0.6667 GB, free: 10.46 MB / 0.5886 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.351e-05/1.585, allocations: 16 kB / 0.6667 GB, free: 10.45 MB / 0.5886 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.766e-05/1.585, allocations: 19.98 kB / 0.6667 GB, free: 10.43 MB / 0.5886 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002259/1.585, allocations: 156.4 kB / 0.6669 GB, free: 10.28 MB / 0.5886 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 0.0389/1.624, allocations: 22.46 MB / 0.6888 GB, free: 3.734 MB / 0.6042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001555/1.625, allocations: 82.91 kB / 0.6889 GB, free: 3.641 MB / 0.6042 GB Notification: Performance of preOpt resolveLoops (simulation): time 6.09e-05/1.625, allocations: 43.67 kB / 0.6889 GB, free: 3.594 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.2999/1.925, allocations: 38.27 MB / 0.7263 GB, free: 76.06 MB / 0.6198 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.197e-05/1.925, allocations: 33.39 kB / 0.7263 GB, free: 76.02 MB / 0.6198 GB Notification: Performance of pre-optimization done (n=34): time 2.294e-06/1.925, allocations: 0 / 0.7263 GB, free: 76.02 MB / 0.6198 GB Notification: Performance of matching and sorting (n=34): time 0.0006274/1.925, allocations: 284.7 kB / 0.7266 GB, free: 75.97 MB / 0.6198 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.179e-05/1.925, allocations: 57.03 kB / 0.7267 GB, free: 75.91 MB / 0.6198 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002465/1.925, allocations: 358 kB / 0.727 GB, free: 75.74 MB / 0.6198 GB Notification: Performance of collectPreVariables (initialization): time 9.969e-06/1.925, allocations: 25.7 kB / 0.727 GB, free: 75.71 MB / 0.6198 GB Notification: Performance of collectInitialEqns (initialization): time 0.000106/1.926, allocations: 287.4 kB / 0.7273 GB, free: 75.54 MB / 0.6198 GB Notification: Performance of collectInitialBindings (initialization): time 5.253e-05/1.926, allocations: 118.1 kB / 0.7274 GB, free: 75.48 MB / 0.6198 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.81e-05/1.926, allocations: 89.08 kB / 0.7275 GB, free: 75.45 MB / 0.6198 GB Notification: Performance of setup shared object (initialization): time 6.91e-05/1.926, allocations: 0.5102 MB / 0.728 GB, free: 74.95 MB / 0.6198 GB Notification: Performance of preBalanceInitialSystem (initialization): time 7.554e-05/1.926, allocations: 49.61 kB / 0.7281 GB, free: 74.95 MB / 0.6198 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001204/1.926, allocations: 211.9 kB / 0.7283 GB, free: 74.76 MB / 0.6198 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002073/1.926, allocations: 276.4 kB / 0.7285 GB, free: 74.57 MB / 0.6198 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.735e-06/1.926, allocations: 0 / 0.7285 GB, free: 74.57 MB / 0.6198 GB Notification: Performance of matching and sorting (n=52) (initialization): time 0.000351/1.927, allocations: 323.3 kB / 0.7288 GB, free: 74.5 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 1.635e-05/1.927, allocations: 9 kB / 0.7288 GB, free: 74.5 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.785e-06/1.927, allocations: 3.953 kB / 0.7288 GB, free: 74.5 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002014/1.927, allocations: 103.3 kB / 0.7289 GB, free: 74.49 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.751e-05/1.927, allocations: 42.14 kB / 0.729 GB, free: 74.49 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002887/1.927, allocations: 0.8564 MB / 0.7298 GB, free: 73.69 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001062/1.927, allocations: 33.39 kB / 0.7298 GB, free: 73.68 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.505e-05/1.927, allocations: 9.156 kB / 0.7299 GB, free: 73.68 MB / 0.6198 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 6 (sourceP.fluid1,sourceP.C.ftype,steamEngine1.fluid,puitsP.fluid,steamEngine1.C2.diff_on_1,sourceP.C.diff_on_2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (25): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0001156/1.927, allocations: 178.8 kB / 0.73 GB, free: 73.52 MB / 0.6198 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.997e-05/1.927, allocations: 34.38 kB / 0.7301 GB, free: 73.5 MB / 0.6198 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004155/1.928, allocations: 420.7 kB / 0.7305 GB, free: 73.41 MB / 0.6198 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0002515/1.928, allocations: 300.3 kB / 0.7307 GB, free: 73.33 MB / 0.6198 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.439e-06/1.928, allocations: 1.875 kB / 0.7307 GB, free: 73.33 MB / 0.6198 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.188e-06/1.928, allocations: 0 / 0.7307 GB, free: 73.33 MB / 0.6198 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008008/1.929, allocations: 0.9858 MB / 0.7317 GB, free: 72.96 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.727e-06/1.929, allocations: 2.969 kB / 0.7317 GB, free: 72.96 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 8.148e-05/1.929, allocations: 57.19 kB / 0.7318 GB, free: 72.96 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001022/1.929, allocations: 67.95 kB / 0.7318 GB, free: 72.95 MB / 0.6198 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.205e-05/1.929, allocations: 3.625 kB / 0.7318 GB, free: 72.95 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002106/1.929, allocations: 0.8518 MB / 0.7327 GB, free: 72.15 MB / 0.6198 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.282e-06/1.929, allocations: 0 / 0.7327 GB, free: 72.15 MB / 0.6198 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003272/1.93, allocations: 0.5122 MB / 0.7332 GB, free: 71.89 MB / 0.6198 GB Notification: Performance of postOpt removeConstants (simulation): time 8.015e-05/1.93, allocations: 73.97 kB / 0.7332 GB, free: 71.87 MB / 0.6198 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.367e-05/1.93, allocations: 14.28 kB / 0.7332 GB, free: 71.86 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 6.596e-05/1.93, allocations: 7.375 kB / 0.7333 GB, free: 71.86 MB / 0.6198 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.95e-05/1.93, allocations: 25.62 kB / 0.7333 GB, free: 71.86 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.021e-05/1.93, allocations: 9.297 kB / 0.7333 GB, free: 71.86 MB / 0.6198 GB Notification: Performance of sorting global known variables: time 0.00011/1.93, allocations: 230.2 kB / 0.7335 GB, free: 71.74 MB / 0.6198 GB Notification: Performance of sort global known variables: time 7.1e-08/1.93, allocations: 0 / 0.7335 GB, free: 71.74 MB / 0.6198 GB Notification: Performance of remove unused functions: time 0.003556/1.933, allocations: 2.069 MB / 0.7355 GB, free: 71.73 MB / 0.6198 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * 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 simulation (34): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.005829/1.939, allocations: 3.244 MB / 0.7387 GB, free: 71.39 MB / 0.6198 GB Notification: Performance of simCode: created initialization part: time 0.0004863/1.94, allocations: 359.7 kB / 0.739 GB, free: 71.26 MB / 0.6198 GB Notification: Performance of simCode: created event and clocks part: time 2.154e-06/1.94, allocations: 0 / 0.739 GB, free: 71.26 MB / 0.6198 GB Notification: Performance of simCode: created simulation system equations: time 0.0001335/1.94, allocations: 145.5 kB / 0.7392 GB, free: 71.24 MB / 0.6198 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006328/1.941, allocations: 216.9 kB / 0.7394 GB, free: 71.2 MB / 0.6198 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001323/1.942, allocations: 0.8536 MB / 0.7402 GB, free: 70.76 MB / 0.6198 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 7.04e-05/1.942, allocations: 128.8 kB / 0.7403 GB, free: 70.69 MB / 0.6198 GB Notification: Performance of simCode: alias equations: time 0.0001285/1.942, allocations: 48.03 kB / 0.7404 GB, free: 70.67 MB / 0.6198 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.771e-05/1.942, allocations: 38.55 kB / 0.7404 GB, free: 70.66 MB / 0.6198 GB Notification: Performance of SimCode: time 8.41e-07/1.942, allocations: 0 / 0.7404 GB, free: 70.66 MB / 0.6198 GB Notification: Performance of Templates: time 0.05529/1.997, allocations: 70.71 MB / 0.8095 GB, free: 24 MB / 0.6198 GB " [Timeout remaining time 658] make -j1 -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.makefile [Timeout 660] (rm -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe ; mkfifo ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe ; head -c 1048576 < ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe >> ../files/ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.sim & ./ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine -abortSlowSimulation -alarm=240 -lv LOG_STATS > ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 6.7837134641595185]