Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Chemical_Chemical.Boundaries.Tests.TestSubstance.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 0.001226/0.001226, allocations: 93.06 kB / 19.65 MB, free: 284 kB / 13.93 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 0.001351/0.001351, allocations: 169.3 kB / 23.02 MB, free: 1.555 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 1.091/1.091, allocations: 177.1 MB / 203.4 MB, free: 5.301 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/package.mo): time 0.1039/0.1039, allocations: 17.38 MB / 277.3 MB, free: 11.5 MB / 266.7 MB " [Timeout remaining time 180] Using package Chemical with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/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(Chemical.Boundaries.Tests.TestSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=500,variableFilter="",fileNamePrefix="Chemical_Chemical.Boundaries.Tests.TestSubstance") translateModel(Chemical.Boundaries.Tests.TestSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=500,variableFilter="",fileNamePrefix="Chemical_Chemical.Boundaries.Tests.TestSubstance") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.422e-06/1.422e-06, allocations: 0 / 353.4 MB, free: 11.01 MB / 330.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.194e-05/2.336e-05, allocations: 2.312 kB / 353.4 MB, free: 11 MB / 330.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Interfaces.mo:1564:5-1564:64:writable] Warning: An inner declaration for outer component system could not be found and was automatically generated. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Interfaces.mo:1564:5-1564:64:writable] Notification: The diagnostics message for the missing inner is: Your model is using an outer \"system\" component but an inner \"system\" component is not defined. For simulation drag Modelica.Fluid.System into your model to specify system properties. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Boundaries.mo:644:5-644:47:writable] Warning: An inner declaration for outer component dropOfCommons could not be found and was automatically generated. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Boundaries.mo:644:5-644:47:writable] Notification: The diagnostics message for the missing inner is: Your model is using an outer \"dropOfCommons\" component but an inner \"dropOfCommons\" component is not defined. Use Chemical.DropOfCommons in your model to specify system properties. Notification: Performance of NFInst.instantiate(Chemical.Boundaries.Tests.TestSubstance): time 0.05483/0.05485, allocations: 57.82 MB / 411.3 MB, free: 1.168 MB / 378.7 MB Notification: Performance of NFInst.instExpressions: time 0.02548/0.08034, allocations: 14.17 MB / 425.4 MB, free: 2.945 MB / 394.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.009032/0.08937, allocations: 107.5 kB / 425.5 MB, free: 2.84 MB / 394.7 MB Notification: Performance of NFTyping.typeComponents: time 0.007695/0.09706, allocations: 2.257 MB / 427.8 MB, free: 0.5664 MB / 394.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01357/0.1106, allocations: 3.152 MB / 430.9 MB, free: 13.39 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.007478/0.1181, allocations: 2.138 MB / 433.1 MB, free: 11.25 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.01543/0.1335, allocations: 9.096 MB / 442.2 MB, free: 2.113 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003677/0.1372, allocations: 1.959 MB / 444.1 MB, free: 72 kB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.2098/0.347, allocations: 5.339 MB / 449.5 MB, free: 67.96 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005766/0.3528, allocations: 2.997 MB / 452.5 MB, free: 67.96 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.002658/0.3555, allocations: 0.9149 MB / 453.4 MB, free: 67.96 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.006128/0.3616, allocations: 1.847 MB / 455.2 MB, free: 67.96 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002356/0.3639, allocations: 2.783 MB / 458 MB, free: 67.96 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.005434/0.3694, allocations: 3.193 MB / 461.2 MB, free: 67.96 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.01362/0.383, allocations: 9.487 MB / 470.7 MB, free: 65.39 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 9.999e-06/0.383, allocations: 0 / 470.7 MB, free: 65.39 MB / 410.7 MB Notification: Performance of FrontEnd: time 1.864e-06/0.383, allocations: 0 / 470.7 MB, free: 65.39 MB / 410.7 MB Notification: Performance of Transformations before backend: time 0.0005157/0.3835, allocations: 0 / 470.7 MB, free: 65.39 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2855 * Number of variables: 2855 Notification: Performance of Generate backend data structure: time 0.01648/0.4, allocations: 11.26 MB / 482 MB, free: 58.79 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 7.429e-05/0.4001, allocations: 16.39 kB / 482 MB, free: 58.79 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009416/0.4095, allocations: 4.39 MB / 486.4 MB, free: 56.94 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007801/0.4173, allocations: 3.904 MB / 490.3 MB, free: 54.79 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001758/0.4191, allocations: 1.617 MB / 491.9 MB, free: 53.77 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001659/0.4207, allocations: 0.9034 MB / 492.8 MB, free: 53.47 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02286/0.4436, allocations: 13.58 MB / 0.4945 GB, free: 50.27 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002194/0.4438, allocations: 13.09 kB / 0.4945 GB, free: 50.27 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000784/0.4446, allocations: 386.2 kB / 0.4949 GB, free: 49.99 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001318/0.4459, allocations: 1.483 MB / 0.4963 GB, free: 49.68 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02334/0.4692, allocations: 16.44 MB / 0.5124 GB, free: 36.36 MB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07337/0.5426, allocations: 55.89 MB / 0.567 GB, free: 15.92 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.007883/0.5505, allocations: 2.931 MB / 0.5698 GB, free: 13.01 MB / 442.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.004707/0.5552, allocations: 1.499 MB / 0.5713 GB, free: 11.5 MB / 442.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001557/0.5568, allocations: 0.7278 MB / 0.572 GB, free: 10.77 MB / 442.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.438e-05/0.5568, allocations: 83.3 kB / 0.5721 GB, free: 10.69 MB / 442.7 MB Notification: Performance of pre-optimization done (n=402): time 6.332e-06/0.5568, allocations: 0 / 0.5721 GB, free: 10.69 MB / 442.7 MB Notification: Performance of matching and sorting (n=576): time 0.4665/1.023, allocations: 47.13 MB / 0.6181 GB, free: 100.3 MB / 458.7 MB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of inlineWhenForInitialization (initialization): time 0.0171/1.04, allocations: 14.77 MB / 0.6325 GB, free: 89.52 MB / 458.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005888/1.046, allocations: 3.746 MB / 0.6362 GB, free: 89.07 MB / 458.7 MB Notification: Performance of collectPreVariables (initialization): time 0.002576/1.049, allocations: 117.4 kB / 0.6363 GB, free: 89.04 MB / 458.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.002964/1.052, allocations: 4.927 MB / 0.6411 GB, free: 86.86 MB / 458.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.00355/1.055, allocations: 2.001 MB / 0.6431 GB, free: 85.52 MB / 458.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.005589/1.061, allocations: 1.782 MB / 0.6448 GB, free: 85.46 MB / 458.7 MB Notification: Performance of setup shared object (initialization): time 0.000152/1.061, allocations: 480.2 kB / 0.6452 GB, free: 84.99 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00682/1.068, allocations: 2.533 MB / 0.6477 GB, free: 84.98 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007587/1.076, allocations: 3.525 MB / 0.6512 GB, free: 84.01 MB / 458.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01922/1.095, allocations: 8.794 MB / 0.6598 GB, free: 82.89 MB / 458.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.422e-05/1.095, allocations: 5.312 kB / 0.6598 GB, free: 82.89 MB / 458.7 MB Notification: Performance of matching and sorting (n=684) (initialization): time 0.034/1.129, allocations: 10.27 MB / 0.6698 GB, free: 80.98 MB / 458.7 MB Notification: Performance of prepare postOptimizeDAE: time 7.271e-05/1.129, allocations: 15.64 kB / 0.6698 GB, free: 80.98 MB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.297e-05/1.129, allocations: 18.03 kB / 0.6698 GB, free: 80.98 MB / 458.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.02156/1.151, allocations: 8.289 MB / 0.6779 GB, free: 76.38 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0147/1.165, allocations: 3.477 MB / 0.6813 GB, free: 73.72 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0327/1.198, allocations: 46.09 MB / 0.7263 GB, free: 27.09 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008362/1.206, allocations: 0.5348 MB / 0.7268 GB, free: 26.77 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003459/1.21, allocations: 1.364 MB / 0.7282 GB, free: 25.6 MB / 458.7 MB Warning: Assuming fixed start value for the following 9 variables: boundaryRear4.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore3.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear3.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear2.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore1.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore2.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear1.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 77 * 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 (586): * Single equations (assignments): 562 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 22 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 20 systems {(1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (8,5,34.4%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(10,38), (8,5)} Notification: Performance of prepare postOptimizeDAE: time 0.007158/1.217, allocations: 483.6 kB / 0.7286 GB, free: 25.2 MB / 458.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003699/1.221, allocations: 0.7383 MB / 0.7294 GB, free: 24.46 MB / 458.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02967/1.25, allocations: 15.33 MB / 0.7443 GB, free: 9.863 MB / 458.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.01496/1.265, allocations: 5.915 MB / 0.7501 GB, free: 3.98 MB / 458.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.646e-05/1.265, allocations: 10.66 kB / 0.7501 GB, free: 3.973 MB / 458.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001811/1.266, allocations: 31.91 kB / 0.7501 GB, free: 3.941 MB / 458.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2906/1.556, allocations: 26.76 MB / 0.7763 GB, free: 101.5 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.82e-05/1.556, allocations: 21.44 kB / 0.7763 GB, free: 101.5 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006057/1.562, allocations: 1.429 MB / 0.7777 GB, free: 101.5 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.02462/1.587, allocations: 7.263 MB / 0.7848 GB, free: 101.2 MB / 474.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001288/1.588, allocations: 246.2 kB / 0.785 GB, free: 101.2 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03706/1.625, allocations: 44.6 MB / 0.8286 GB, free: 64.14 MB / 474.7 MB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.00974/1.635, allocations: 12.14 MB / 0.8404 GB, free: 53.89 MB / 474.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02662/1.662, allocations: 10.79 MB / 0.851 GB, free: 50.7 MB / 474.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.002379/1.664, allocations: 0.5909 MB / 0.8515 GB, free: 50.7 MB / 474.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002693/1.667, allocations: 150 kB / 0.8517 GB, free: 50.7 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005419/1.672, allocations: 264.8 kB / 0.8519 GB, free: 50.7 MB / 474.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.002827/1.675, allocations: 0.6353 MB / 0.8526 GB, free: 50.67 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0008945/1.676, allocations: 404.7 kB / 0.8529 GB, free: 50.67 MB / 474.7 MB Notification: Performance of sorting global known variables: time 0.007118/1.683, allocations: 4.376 MB / 0.8572 GB, free: 50.45 MB / 474.7 MB Notification: Performance of sort global known variables: time 1.81e-07/1.683, allocations: 2.625 kB / 0.8572 GB, free: 50.45 MB / 474.7 MB Notification: Performance of remove unused functions: time 0.0118/1.695, allocations: 3.488 MB / 0.8606 GB, free: 50.45 MB / 474.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 109 * Number of states: 19 ($STATESET6.x,boundaryRear4.fore.n_flow,$STATESET5.x,$STATESET4.x[5],$STATESET4.x[4],$STATESET4.x[3],$STATESET4.x[2],$STATESET4.x[1],boundaryFore.rear.n_flow,boundaryRear2.fore.n_flow,boundaryRear3.fore.n_flow,boundaryFore3.rear.n_flow,$STATESET3.x,boundaryFore1.rear.n_flow,$STATESET2.x,boundaryRear1.fore.n_flow,boundaryFore2.rear.n_flow,$STATESET1.x,boundaryRear.fore.n_flow) * Number of discrete variables: 9 ($cse135,$cse124,$cse105,$cse98,$cse91,$cse84,$cse73,$cse65,$cse51) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (419): * Single equations (assignments): 397 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 22 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 15 systems {(1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (8,5,34.4%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 7 systems {(3,3), (3,3), (10,42), (17,21), (3,3), (3,3), (3,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001807/1.696, allocations: 0.5572 MB / 0.8612 GB, free: 50.35 MB / 474.7 MB Notification: Performance of simCode: created initialization part: time 0.01681/1.713, allocations: 9.133 MB / 0.8701 GB, free: 46.76 MB / 474.7 MB Notification: Performance of simCode: created event and clocks part: time 2.557e-05/1.713, allocations: 3.75 kB / 0.8701 GB, free: 46.76 MB / 474.7 MB Notification: Performance of simCode: created simulation system equations: time 0.009056/1.722, allocations: 6.728 MB / 0.8767 GB, free: 42.99 MB / 474.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007529/1.73, allocations: 1.668 MB / 0.8783 GB, free: 42.95 MB / 474.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4759:9-4759:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:856:5-856:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed] " [Timeout remaining time 658] [Calling sys.exit(0), Time elapsed: 3.696132824290544]