Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4.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 0.001474/0.001474, allocations: 73.97 kB / 20.65 MB, free: 3.844 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 0.001859/0.001859, allocations: 169 kB / 24.06 MB, free: 452 kB / 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 0.9279/0.9279, allocations: 177.1 MB / 204.5 MB, free: 5.496 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.001709/0.001709, allocations: 232.6 kB / 261.3 MB, free: 12.66 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 0.7091/0.7091, allocations: 138.4 MB / 456.3 MB, free: 30.03 MB / 410.7 MB " [Timeout remaining time 179] Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/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(BuildingSystems.Fluid.Examples.Performance.Example4,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4") translateModel(BuildingSystems.Fluid.Examples.Performance.Example4,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.462e-06/1.462e-06, allocations: 0 / 0.5563 GB, free: 15.96 MB / 490.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.468e-05/1.614e-05, allocations: 2.312 kB / 0.5563 GB, free: 15.96 MB / 490.7 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.Performance.Example4): time 0.3597/0.3597, allocations: 152.2 MB / 0.705 GB, free: 51.83 MB / 0.5573 GB Notification: Performance of NFInst.instExpressions: time 0.01171/0.3714, allocations: 9.99 MB / 0.7147 GB, free: 48.86 MB / 0.5573 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001918/0.3734, allocations: 81.81 kB / 0.7148 GB, free: 48.81 MB / 0.5573 GB Notification: Performance of NFTyping.typeComponents: time 0.0008613/0.3742, allocations: 424.4 kB / 0.7152 GB, free: 48.6 MB / 0.5573 GB Notification: Performance of NFTyping.typeBindings: time 0.003146/0.3774, allocations: 1.649 MB / 0.7168 GB, free: 47.84 MB / 0.5573 GB Notification: Performance of NFTyping.typeClassSections: time 0.003225/0.3806, allocations: 1.45 MB / 0.7182 GB, free: 47.25 MB / 0.5573 GB Notification: Performance of NFFlatten.flatten: time 0.003731/0.3843, allocations: 3.425 MB / 0.7216 GB, free: 45.72 MB / 0.5573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001201/0.3855, allocations: 1.04 MB / 0.7226 GB, free: 45.11 MB / 0.5573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002887/0.3884, allocations: 2.138 MB / 0.7247 GB, free: 44.43 MB / 0.5573 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001074/0.3895, allocations: 0.8898 MB / 0.7255 GB, free: 44.23 MB / 0.5573 GB Notification: Performance of NFPackage.collectConstants: time 0.0001791/0.3897, allocations: 110.7 kB / 0.7256 GB, free: 44.23 MB / 0.5573 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001707/0.3914, allocations: 1.136 MB / 0.7268 GB, free: 44 MB / 0.5573 GB Notification: Performance of NFScalarize.scalarize: time 0.0003208/0.3917, allocations: 0.5054 MB / 0.7272 GB, free: 43.75 MB / 0.5573 GB Notification: Performance of NFVerifyModel.verify: time 0.0004431/0.3921, allocations: 0.5295 MB / 0.7278 GB, free: 43.57 MB / 0.5573 GB Notification: Performance of NFConvertDAE.convert: time 0.001881/0.394, allocations: 1.74 MB / 0.7295 GB, free: 42.96 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.679e-06/0.394, allocations: 1.875 kB / 0.7295 GB, free: 42.96 MB / 0.5573 GB Notification: Performance of FrontEnd: time 1.262e-06/0.394, allocations: 4 kB / 0.7295 GB, free: 42.96 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 2.6e-05/0.3941, allocations: 2.781 kB / 0.7295 GB, free: 42.96 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 251 * Number of variables: 251 Notification: Performance of Generate backend data structure: time 0.002048/0.3961, allocations: 1.989 MB / 0.7314 GB, free: 41.55 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 3.259e-05/0.3961, allocations: 12.84 kB / 0.7314 GB, free: 41.55 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001231/0.3974, allocations: 0.5507 MB / 0.732 GB, free: 41.29 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009754/0.3983, allocations: 1.081 MB / 0.733 GB, free: 40.52 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.842e-05/0.3984, allocations: 74.94 kB / 0.7331 GB, free: 40.49 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.022e-05/0.3985, allocations: 102.2 kB / 0.7332 GB, free: 40.46 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008754/0.3994, allocations: 1.123 MB / 0.7343 GB, free: 39.54 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.023e-05/0.3994, allocations: 7.875 kB / 0.7343 GB, free: 39.53 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.759e-05/0.3994, allocations: 41.47 kB / 0.7343 GB, free: 39.5 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.903e-05/0.3995, allocations: 49.89 kB / 0.7344 GB, free: 39.49 MB / 0.5573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004364/0.3999, allocations: 380.9 kB / 0.7347 GB, free: 39.34 MB / 0.5573 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 0.003309/0.4032, allocations: 7.318 MB / 0.7419 GB, free: 32.91 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003225/0.4035, allocations: 193.5 kB / 0.7421 GB, free: 32.83 MB / 0.5573 GB Notification: Performance of preOpt resolveLoops (simulation): time 8.177e-05/0.4036, allocations: 81.61 kB / 0.7422 GB, free: 32.79 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 8.017e-05/0.4037, allocations: 28.97 kB / 0.7422 GB, free: 32.78 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.801e-05/0.4037, allocations: 40.14 kB / 0.7422 GB, free: 32.73 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=32): time 1.503e-06/0.4037, allocations: 0 / 0.7422 GB, free: 32.73 MB / 0.5573 GB Notification: Performance of matching and sorting (n=32): time 0.0005615/0.4043, allocations: 373.9 kB / 0.7426 GB, free: 32.57 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 1.797e-05/0.4043, allocations: 56.69 kB / 0.7426 GB, free: 32.5 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006097/0.4049, allocations: 1.015 MB / 0.7436 GB, free: 32.05 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 3.245e-05/0.405, allocations: 36.61 kB / 0.7437 GB, free: 32.02 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002696/0.4052, allocations: 0.796 MB / 0.7444 GB, free: 31.36 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 5.651e-05/0.4053, allocations: 125.9 kB / 0.7446 GB, free: 31.25 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001362/0.4054, allocations: 173.8 kB / 0.7447 GB, free: 31.15 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 6.406e-05/0.4055, allocations: 0.5157 MB / 0.7452 GB, free: 30.65 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001067/0.4056, allocations: 81.5 kB / 0.7453 GB, free: 30.62 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002501/0.4058, allocations: 0.8156 MB / 0.7461 GB, free: 29.63 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003718/0.4062, allocations: 0.6843 MB / 0.7468 GB, free: 28.89 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.22e-06/0.4062, allocations: 2.25 kB / 0.7468 GB, free: 28.89 MB / 0.5573 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.0006294/0.4068, allocations: 0.6058 MB / 0.7474 GB, free: 28.6 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 1.821e-05/0.4069, allocations: 10.56 kB / 0.7474 GB, free: 28.6 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.152e-05/0.4069, allocations: 15.03 kB / 0.7474 GB, free: 28.59 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.708e-05/0.4069, allocations: 16.97 kB / 0.7474 GB, free: 28.59 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003686/0.4073, allocations: 179.2 kB / 0.7476 GB, free: 28.55 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.182e-05/0.4073, allocations: 20.25 kB / 0.7476 GB, free: 28.55 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004745/0.4077, allocations: 127.6 kB / 0.7477 GB, free: 28.47 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.589e-05/0.4078, allocations: 42.08 kB / 0.7478 GB, free: 28.46 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002237/0.408, allocations: 217.7 kB / 0.748 GB, free: 28.29 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000253/0.4083, allocations: 0.8273 MB / 0.7488 GB, free: 27.29 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003762/0.4086, allocations: 0.6631 MB / 0.7494 GB, free: 26.57 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.078e-06/0.4086, allocations: 3.031 kB / 0.7494 GB, free: 26.57 MB / 0.5573 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.0005855/0.4092, allocations: 0.6141 MB / 0.75 GB, free: 26.27 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 1.006e-05/0.4092, allocations: 8.531 kB / 0.75 GB, free: 26.27 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.412e-06/0.4092, allocations: 14.12 kB / 0.75 GB, free: 26.27 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.788e-06/0.4093, allocations: 13.66 kB / 0.7501 GB, free: 26.27 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003271/0.4096, allocations: 181.2 kB / 0.7502 GB, free: 26.22 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.037e-05/0.4096, allocations: 24.72 kB / 0.7502 GB, free: 26.21 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004166/0.41, allocations: 103.9 kB / 0.7503 GB, free: 26.16 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.59e-05/0.41, allocations: 39.77 kB / 0.7504 GB, free: 26.15 MB / 0.5573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 52 * 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 (87): * Single equations (assignments): 87 * 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 0.0001125/0.4102, allocations: 324 kB / 0.7507 GB, free: 25.84 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001091/0.4103, allocations: 136 kB / 0.7508 GB, free: 25.77 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000376/0.4106, allocations: 328 kB / 0.7511 GB, free: 25.57 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.594e-06/0.4106, allocations: 2.781 kB / 0.7511 GB, free: 25.57 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.746e-06/0.4106, allocations: 3.984 kB / 0.7511 GB, free: 25.56 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.729e-06/0.4107, allocations: 7 kB / 0.7511 GB, free: 25.56 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001103/0.4118, allocations: 1.099 MB / 0.7522 GB, free: 24.79 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.507e-06/0.4118, allocations: 3.031 kB / 0.7522 GB, free: 24.79 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001888/0.4119, allocations: 75.11 kB / 0.7523 GB, free: 24.77 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.062e-06/0.412, allocations: 9.484 kB / 0.7523 GB, free: 24.77 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.077e-05/0.412, allocations: 12.09 kB / 0.7523 GB, free: 24.77 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.649e-06/0.412, allocations: 5.812 kB / 0.7523 GB, free: 24.77 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.456e-06/0.412, allocations: 10.88 kB / 0.7523 GB, free: 24.76 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004131/0.4124, allocations: 0.5843 MB / 0.7529 GB, free: 24.25 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001949/0.4126, allocations: 180.6 kB / 0.7531 GB, free: 24.12 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.501e-05/0.4127, allocations: 15.92 kB / 0.7531 GB, free: 24.12 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003502/0.413, allocations: 41.03 kB / 0.7531 GB, free: 24.1 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.723e-05/0.4131, allocations: 35.11 kB / 0.7532 GB, free: 24.08 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.708e-05/0.4131, allocations: 21.48 kB / 0.7532 GB, free: 24.07 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0003692/0.4135, allocations: 0.5588 MB / 0.7537 GB, free: 23.79 MB / 0.5573 GB Notification: Performance of sort global known variables: time 4.21e-07/0.4135, allocations: 0 / 0.7537 GB, free: 23.79 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.001218/0.4147, allocations: 0.6542 MB / 0.7544 GB, free: 23.65 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * 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 (31): * Single equations (assignments): 31 * 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 0.0002818/0.415, allocations: 184.8 kB / 0.7545 GB, free: 23.52 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.0006831/0.4157, allocations: 0.5409 MB / 0.7551 GB, free: 23.3 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 3.076e-06/0.4157, allocations: 0 / 0.7551 GB, free: 23.3 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.0001182/0.4158, allocations: 103.7 kB / 0.7552 GB, free: 23.25 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001208/0.417, allocations: 497.7 kB / 0.7556 GB, free: 23.01 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002742/0.4197, allocations: 2.047 MB / 0.7576 GB, free: 21.65 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001404/0.4199, allocations: 252.9 kB / 0.7579 GB, free: 21.48 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.0005576/0.4204, allocations: 215 kB / 0.7581 GB, free: 21.36 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006222/0.4211, allocations: 437.5 kB / 0.7585 GB, free: 21.19 MB / 0.5573 GB Notification: Performance of SimCode: time 1.032e-06/0.4211, allocations: 4 kB / 0.7585 GB, free: 21.19 MB / 0.5573 GB Notification: Performance of Templates: time 0.01967/0.4407, allocations: 18.6 MB / 0.7767 GB, free: 5.5 MB / 0.5573 GB " [Timeout remaining time 660] make -j1 -f BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4.makefile [Timeout 660] (rm -f BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4.sim & ./BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4 -abortSlowSimulation -alarm=240 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Examples.Performance.Example4.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.462974867783487]