Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow.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 0.001925/0.001925, allocations: 85.48 kB / 19.44 MB, free: 344 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 0.002174/0.002174, allocations: 173.2 kB / 22.76 MB, free: 1.664 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 1.57/1.57, allocations: 177.1 MB / 203.1 MB, free: 5.621 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:108:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:116:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 1.31/1.31, allocations: 154.6 MB / 414.2 MB, free: 0.6562 MB / 378.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 178] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow") translateModel(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.933e-06/1.933e-06, allocations: 0.875 kB / 0.5196 GB, free: 2.504 MB / 490.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.373e-05/3.567e-05, allocations: 7.344 kB / 0.5197 GB, free: 2.496 MB / 490.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow): time 0.573/0.573, allocations: 187.5 MB / 0.7027 GB, free: 47.33 MB / 0.6355 GB Notification: Performance of NFInst.instExpressions: time 0.009138/0.5822, allocations: 5.826 MB / 0.7084 GB, free: 47.24 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001909/0.5841, allocations: 59.59 kB / 0.7085 GB, free: 47.24 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.001542/0.5856, allocations: 0.548 MB / 0.709 GB, free: 47.23 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.005305/0.5909, allocations: 1.969 MB / 0.7109 GB, free: 47.14 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.003337/0.5943, allocations: 1.244 MB / 0.7121 GB, free: 47.11 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.00413/0.5984, allocations: 3.056 MB / 0.7151 GB, free: 46.71 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001424/0.5998, allocations: 0.8644 MB / 0.716 GB, free: 46.62 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003316/0.6031, allocations: 1.68 MB / 0.7176 GB, free: 46.47 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002181/0.6053, allocations: 0.9319 MB / 0.7185 GB, free: 46.38 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0002465/0.6056, allocations: 123.8 kB / 0.7186 GB, free: 46.38 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003056/0.6086, allocations: 1.209 MB / 0.7198 GB, free: 46.26 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0008016/0.6094, allocations: 0.6298 MB / 0.7204 GB, free: 46.18 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.001033/0.6104, allocations: 0.5208 MB / 0.7209 GB, free: 46.13 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.004141/0.6146, allocations: 2.403 MB / 0.7233 GB, free: 45.93 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 6.973e-06/0.6146, allocations: 1.219 kB / 0.7233 GB, free: 45.93 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.603e-06/0.6146, allocations: 0 / 0.7233 GB, free: 45.93 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 2.943e-05/0.6146, allocations: 1.094 kB / 0.7233 GB, free: 45.93 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 248 * Number of variables: 248 Notification: Performance of Generate backend data structure: time 0.002952/0.6176, allocations: 1.771 MB / 0.725 GB, free: 45.06 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 3.417e-05/0.6176, allocations: 9.375 kB / 0.725 GB, free: 45.06 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002184/0.6198, allocations: 457.1 kB / 0.7255 GB, free: 44.96 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001755/0.6215, allocations: 0.8628 MB / 0.7263 GB, free: 44.68 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.259e-05/0.6216, allocations: 75.44 kB / 0.7264 GB, free: 44.68 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001805/0.6218, allocations: 103.3 kB / 0.7265 GB, free: 44.68 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001679/0.6235, allocations: 1.274 MB / 0.7277 GB, free: 44 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.071e-05/0.6235, allocations: 10.02 kB / 0.7277 GB, free: 43.99 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000105/0.6236, allocations: 55.2 kB / 0.7278 GB, free: 43.98 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.389e-05/0.6237, allocations: 40.38 kB / 0.7278 GB, free: 43.98 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001366/0.625, allocations: 0.618 MB / 0.7284 GB, free: 43.97 MB / 0.6355 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 0.006572/0.6316, allocations: 3.103 MB / 0.7315 GB, free: 43.33 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008014/0.6324, allocations: 431.4 kB / 0.7319 GB, free: 43.29 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004059/0.6328, allocations: 223.8 kB / 0.7321 GB, free: 43.27 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000183/0.633, allocations: 28.27 kB / 0.7321 GB, free: 43.27 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.597e-05/0.633, allocations: 45.67 kB / 0.7322 GB, free: 43.23 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=53): time 2.234e-06/0.633, allocations: 0.625 kB / 0.7322 GB, free: 43.23 MB / 0.6355 GB Notification: Performance of matching and sorting (n=55): time 0.003706/0.6367, allocations: 1.476 MB / 0.7336 GB, free: 42.79 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.822e-05/0.6368, allocations: 59.69 kB / 0.7337 GB, free: 42.73 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009933/0.6378, allocations: 0.8389 MB / 0.7345 GB, free: 42.52 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 5.988e-05/0.6378, allocations: 44.17 kB / 0.7345 GB, free: 42.49 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003619/0.6382, allocations: 0.6181 MB / 0.7351 GB, free: 42.17 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001882/0.6384, allocations: 222.8 kB / 0.7353 GB, free: 42.04 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002491/0.6386, allocations: 163 kB / 0.7355 GB, free: 42 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0002033/0.6388, allocations: 0.6199 MB / 0.7361 GB, free: 41.51 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004049/0.6392, allocations: 168 kB / 0.7363 GB, free: 41.5 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004999/0.6397, allocations: 449 kB / 0.7367 GB, free: 41.24 MB / 0.6355 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: volDyn.dynBal.medium.p = volDyn.dynBal.p_start (bou.p = volDyn.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.003467/0.6432, allocations: 1.282 MB / 0.7379 GB, free: 41.02 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.572e-06/0.6432, allocations: 0 / 0.7379 GB, free: 41.02 MB / 0.6355 GB Notification: Performance of matching and sorting (n=84) (initialization): time 0.001389/0.6446, allocations: 0.7085 MB / 0.7386 GB, free: 40.9 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 2.006e-05/0.6446, allocations: 9.594 kB / 0.7386 GB, free: 40.9 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.082e-05/0.6446, allocations: 3 kB / 0.7386 GB, free: 40.9 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00021/0.6448, allocations: 85.77 kB / 0.7387 GB, free: 40.86 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006878/0.6455, allocations: 151.8 kB / 0.7389 GB, free: 40.86 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002717/0.6482, allocations: 5.54 MB / 0.7443 GB, free: 35.69 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001126/0.6494, allocations: 29.58 kB / 0.7443 GB, free: 35.69 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.521e-05/0.6494, allocations: 27.45 kB / 0.7443 GB, free: 35.69 MB / 0.6355 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: volDyn.dynBal.medium.p = volDyn.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * 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 (80): * Single equations (assignments): 77 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(1,1), (1,1), (1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0005426/0.65, allocations: 281.5 kB / 0.7446 GB, free: 35.52 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001826/0.6501, allocations: 109.9 kB / 0.7447 GB, free: 35.48 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00019/0.6503, allocations: 98.16 kB / 0.7448 GB, free: 35.45 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.409e-06/0.6503, allocations: 4.312 kB / 0.7448 GB, free: 35.45 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.664e-06/0.6503, allocations: 0 / 0.7448 GB, free: 35.45 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0008036/0.6512, allocations: 0.5803 MB / 0.7454 GB, free: 35.18 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00316/0.6543, allocations: 1.771 MB / 0.7471 GB, free: 34.7 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.631e-06/0.6543, allocations: 0.875 kB / 0.7471 GB, free: 34.7 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000641/0.655, allocations: 133.6 kB / 0.7472 GB, free: 34.7 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.412e-05/0.6551, allocations: 34.88 kB / 0.7473 GB, free: 34.69 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.189e-05/0.6551, allocations: 13.47 kB / 0.7473 GB, free: 34.69 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009668/0.6561, allocations: 1.86 MB / 0.7491 GB, free: 32.96 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.216e-06/0.6561, allocations: 3.531 kB / 0.7491 GB, free: 32.96 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001399/0.6575, allocations: 0.9844 MB / 0.7501 GB, free: 32.55 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005096/0.658, allocations: 154.6 kB / 0.7502 GB, free: 32.5 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001067/0.6581, allocations: 18.41 kB / 0.7502 GB, free: 32.5 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006541/0.6587, allocations: 38.98 kB / 0.7503 GB, free: 32.5 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000141/0.6589, allocations: 54.77 kB / 0.7503 GB, free: 32.49 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.817e-05/0.6589, allocations: 27.97 kB / 0.7503 GB, free: 32.49 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0005237/0.6595, allocations: 0.503 MB / 0.7508 GB, free: 32.36 MB / 0.6355 GB Notification: Performance of sort global known variables: time 7e-08/0.6595, allocations: 0 / 0.7508 GB, free: 32.36 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.001065/0.6605, allocations: 307 kB / 0.7511 GB, free: 32.36 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 3 (volDyn.dynBal.medium.Xi[1],volDyn.dynBal.U,volDyn.dynBal.mC[1]) * 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 (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 0.0003204/0.6609, allocations: 185.9 kB / 0.7513 GB, free: 32.27 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.001216/0.6621, allocations: 0.9974 MB / 0.7523 GB, free: 31.74 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 3.888e-06/0.6621, allocations: 0 / 0.7523 GB, free: 31.74 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0004479/0.6625, allocations: 438.3 kB / 0.7527 GB, free: 31.52 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002437/0.665, allocations: 0.5279 MB / 0.7532 GB, free: 31.4 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003175/0.6681, allocations: 1.925 MB / 0.7551 GB, free: 30.31 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004826/0.6686, allocations: 0.5475 MB / 0.7556 GB, free: 30.16 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0008338/0.6694, allocations: 189.5 kB / 0.7558 GB, free: 30.12 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002125/0.6697, allocations: 74.89 kB / 0.7559 GB, free: 30.11 MB / 0.6355 GB Notification: Performance of SimCode: time 1.313e-06/0.6697, allocations: 4 kB / 0.7559 GB, free: 30.1 MB / 0.6355 GB Notification: Performance of Templates: time 0.02979/0.6995, allocations: 19.97 MB / 0.7754 GB, free: 28.01 MB / 0.6355 GB " [Timeout remaining time 659] make -j1 -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow.makefile [Timeout 660] (rm -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow.pipe ; mkfifo IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow.pipe >> ../files/IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow.sim & ./IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow -abortSlowSimulation -alarm=240 -lv LOG_STATS > IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 7.360237856046297]