Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater.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 0.001029/0.001029, allocations: 72.95 kB / 20.72 MB, free: 3.77 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 0.001054/0.001054, allocations: 169.3 kB / 24.14 MB, free: 360 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 1.027/1.027, allocations: 177.2 MB / 204.6 MB, free: 5.473 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6526/0.6526, allocations: 115 MB / 376 MB, free: 7.504 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater") translateModel(IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.853e-06/1.853e-06, allocations: 0 / 428.7 MB, free: 2.777 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.599e-05/2.784e-05, allocations: 2.312 kB / 428.8 MB, free: 2.773 MB / 394.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater): time 0.01895/0.01898, allocations: 8.993 MB / 437.7 MB, free: 9.738 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.007365/0.02635, allocations: 4.88 MB / 442.6 MB, free: 4.844 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009267/0.02727, allocations: 47.56 kB / 442.7 MB, free: 4.797 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0005745/0.02785, allocations: 198.4 kB / 442.9 MB, free: 4.602 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001577/0.02942, allocations: 0.734 MB / 443.6 MB, free: 3.863 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002268/0.03169, allocations: 1.048 MB / 444.6 MB, free: 2.812 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.2559/0.2876, allocations: 3.663 MB / 448.3 MB, free: 17.91 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001939/0.2895, allocations: 0.992 MB / 449.3 MB, free: 17.8 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003205/0.2927, allocations: 1.655 MB / 451 MB, free: 17.8 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001828/0.2946, allocations: 0.9219 MB / 451.9 MB, free: 17.77 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0003668/0.2949, allocations: 91.59 kB / 452 MB, free: 17.77 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001373/0.2963, allocations: 0.5351 MB / 452.5 MB, free: 17.75 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0003575/0.2967, allocations: 328 kB / 452.8 MB, free: 17.68 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0009421/0.2976, allocations: 462.2 kB / 453.3 MB, free: 17.63 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.002152/0.2998, allocations: 1.347 MB / 454.6 MB, free: 17.52 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.3e-06/0.2998, allocations: 0 / 454.6 MB, free: 17.52 MB / 410.7 MB Notification: Performance of FrontEnd: time 1.092e-06/0.2998, allocations: 0 / 454.6 MB, free: 17.52 MB / 410.7 MB Notification: Performance of Transformations before backend: time 4.557e-05/0.2998, allocations: 4.875 kB / 454.6 MB, free: 17.52 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: 183 * Number of variables: 183 Notification: Performance of Generate backend data structure: time 0.002446/0.3023, allocations: 1.429 MB / 456.1 MB, free: 16.78 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.523e-05/0.3023, allocations: 13.25 kB / 456.1 MB, free: 16.78 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005724/0.3029, allocations: 187.6 kB / 456.3 MB, free: 16.76 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001382/0.3042, allocations: 0.8248 MB / 457.1 MB, free: 16.44 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.527e-05/0.3043, allocations: 60.03 kB / 457.1 MB, free: 16.44 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001296/0.3044, allocations: 91.97 kB / 457.2 MB, free: 16.44 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008649/0.3053, allocations: 0.854 MB / 458.1 MB, free: 15.99 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.395e-05/0.3053, allocations: 2.875 kB / 458.1 MB, free: 15.99 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.28e-05/0.3054, allocations: 36.53 kB / 458.1 MB, free: 15.99 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.424e-05/0.3054, allocations: 22.34 kB / 458.1 MB, free: 15.99 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004362/0.3058, allocations: 268.5 kB / 458.4 MB, free: 15.96 MB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002517/0.3084, allocations: 2.493 MB / 460.9 MB, free: 14.62 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002338/0.3086, allocations: 225 kB / 461.1 MB, free: 14.55 MB / 410.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001006/0.3087, allocations: 95.69 kB / 461.2 MB, free: 14.54 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001226/0.3088, allocations: 35.64 kB / 461.2 MB, free: 14.54 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.287e-05/0.3088, allocations: 41.08 kB / 461.3 MB, free: 14.5 MB / 410.7 MB Notification: Performance of pre-optimization done (n=40): time 2.545e-06/0.3088, allocations: 1.938 kB / 461.3 MB, free: 14.5 MB / 410.7 MB Notification: Performance of matching and sorting (n=40): time 0.0008007/0.3096, allocations: 356.8 kB / 461.6 MB, free: 14.45 MB / 410.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 1.963e-05/0.3097, allocations: 59.66 kB / 461.7 MB, free: 14.38 MB / 410.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006684/0.3103, allocations: 0.8202 MB / 462.5 MB, free: 14.21 MB / 410.7 MB Notification: Performance of collectPreVariables (initialization): time 3.681e-05/0.3104, allocations: 39.55 kB / 462.6 MB, free: 14.18 MB / 410.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001823/0.3106, allocations: 436.4 kB / 463 MB, free: 13.93 MB / 410.7 MB Notification: Performance of collectInitialBindings (initialization): time 8.435e-05/0.3106, allocations: 152.2 kB / 463.1 MB, free: 13.84 MB / 410.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001451/0.3108, allocations: 148.1 kB / 463.3 MB, free: 13.82 MB / 410.7 MB Notification: Performance of setup shared object (initialization): time 4.891e-05/0.3108, allocations: 337.4 kB / 463.6 MB, free: 13.51 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001144/0.3109, allocations: 83.72 kB / 463.7 MB, free: 13.5 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002221/0.3112, allocations: 0.5795 MB / 464.3 MB, free: 12.87 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003856/0.3116, allocations: 0.4936 MB / 464.8 MB, free: 12.52 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.24e-06/0.3116, allocations: 1.219 kB / 464.8 MB, free: 12.52 MB / 410.7 MB Notification: Performance of matching and sorting (n=88) (initialization): time 0.0006865/0.3122, allocations: 0.5045 MB / 465.3 MB, free: 12.46 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.843e-05/0.3123, allocations: 12.47 kB / 465.3 MB, free: 12.46 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.243e-05/0.3123, allocations: 10.84 kB / 465.3 MB, free: 12.46 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.000336/0.3126, allocations: 102.2 kB / 465.4 MB, free: 12.46 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003247/0.3129, allocations: 146.6 kB / 465.5 MB, free: 12.46 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002208/0.3132, allocations: 0.575 MB / 466.1 MB, free: 11.94 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004319/0.3136, allocations: 77.88 kB / 466.2 MB, free: 11.9 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.55e-05/0.3136, allocations: 33.28 kB / 466.2 MB, free: 11.9 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002366/0.3139, allocations: 176.1 kB / 466.4 MB, free: 11.81 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002259/0.3141, allocations: 0.5791 MB / 467 MB, free: 11.18 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003615/0.3145, allocations: 497.2 kB / 467.4 MB, free: 10.84 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.811e-06/0.3145, allocations: 4.344 kB / 467.5 MB, free: 10.84 MB / 410.7 MB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.0006017/0.3151, allocations: 495.6 kB / 467.9 MB, free: 10.79 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.186e-05/0.3151, allocations: 10.03 kB / 467.9 MB, free: 10.79 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.935e-06/0.3151, allocations: 9.688 kB / 468 MB, free: 10.79 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001229/0.3152, allocations: 57.28 kB / 468 MB, free: 10.78 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003033/0.3155, allocations: 148.1 kB / 468.2 MB, free: 10.78 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008152/0.3163, allocations: 1.505 MB / 469.7 MB, free: 9.492 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002945/0.3166, allocations: 65.97 kB / 469.7 MB, free: 9.465 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.174e-05/0.3167, allocations: 29.97 kB / 469.8 MB, free: 9.465 MB / 410.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 43 * 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 (82): * Single equations (assignments): 81 * 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 {(1,6)} Notification: Performance of prepare postOptimizeDAE: time 0.0001156/0.3168, allocations: 238 kB / 470 MB, free: 9.273 MB / 410.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.527e-05/0.3168, allocations: 67.03 kB / 470.1 MB, free: 9.273 MB / 410.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000357/0.3172, allocations: 312.8 kB / 470.4 MB, free: 9.215 MB / 410.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.544e-06/0.3172, allocations: 6.156 kB / 470.4 MB, free: 9.215 MB / 410.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.513e-06/0.3172, allocations: 0 / 470.4 MB, free: 9.215 MB / 410.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002139/0.3174, allocations: 0.5175 MB / 470.9 MB, free: 8.754 MB / 410.7 MB 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 postOpt removeSimpleEquations (simulation): time 0.001746/0.3192, allocations: 0.9468 MB / 471.8 MB, free: 8.227 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.318e-06/0.3192, allocations: 0 / 471.8 MB, free: 8.227 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002812/0.3195, allocations: 84.06 kB / 471.9 MB, free: 8.164 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001218/0.3196, allocations: 42.67 kB / 472 MB, free: 8.133 MB / 410.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.018e-05/0.3196, allocations: 11.81 kB / 472 MB, free: 8.125 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0001738/0.3198, allocations: 0.5398 MB / 472.5 MB, free: 7.57 MB / 410.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.713e-06/0.3198, allocations: 0 / 472.5 MB, free: 7.57 MB / 410.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000509/0.3203, allocations: 0.4907 MB / 473 MB, free: 7.082 MB / 410.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002263/0.3205, allocations: 128 kB / 473.1 MB, free: 6.969 MB / 410.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.736e-05/0.3206, allocations: 13.02 kB / 473.1 MB, free: 6.961 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00035/0.321, allocations: 23.25 kB / 473.2 MB, free: 6.945 MB / 410.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.852e-05/0.321, allocations: 27.64 kB / 473.2 MB, free: 6.922 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.892e-05/0.3211, allocations: 15.67 kB / 473.2 MB, free: 6.91 MB / 410.7 MB Notification: Performance of sorting global known variables: time 0.0004102/0.3215, allocations: 403.4 kB / 473.6 MB, free: 6.586 MB / 410.7 MB Notification: Performance of sort global known variables: time 8.1e-08/0.3215, allocations: 0 / 473.6 MB, free: 6.586 MB / 410.7 MB Notification: Performance of remove unused functions: time 0.001667/0.3231, allocations: 0.5742 MB / 474.2 MB, free: 6.039 MB / 410.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (vol[1].dynBal.U,vol[2].dynBal.U,vol[3].dynBal.U) * 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 (39): * Single equations (assignments): 36 * 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 {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004172/0.3235, allocations: 182.2 kB / 474.3 MB, free: 5.863 MB / 410.7 MB Notification: Performance of simCode: created initialization part: time 0.001086/0.3246, allocations: 0.6589 MB / 475 MB, free: 5.281 MB / 410.7 MB Notification: Performance of simCode: created event and clocks part: time 2.189e-05/0.3247, allocations: 12 kB / 475 MB, free: 5.27 MB / 410.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0001852/0.3248, allocations: 124.3 kB / 475.1 MB, free: 5.16 MB / 410.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001936/0.3268, allocations: 0.5577 MB / 475.7 MB, free: 4.688 MB / 410.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003001/0.3298, allocations: 1.676 MB / 477.4 MB, free: 3.008 MB / 410.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002171/0.33, allocations: 260.2 kB / 477.6 MB, free: 2.73 MB / 410.7 MB Notification: Performance of simCode: alias equations: time 0.0008422/0.3308, allocations: 187 kB / 477.8 MB, free: 2.59 MB / 410.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001051/0.3319, allocations: 395.7 kB / 478.2 MB, free: 2.199 MB / 410.7 MB Notification: Performance of SimCode: time 2.444e-06/0.3319, allocations: 2.75 kB / 478.2 MB, free: 2.199 MB / 410.7 MB Notification: Performance of Templates: time 0.03259/0.3645, allocations: 22.14 MB / 0.4886 GB, free: 12.98 MB / 442.7 MB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater.sim & ./IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.MixingVolumes.BaseClasses.Validation.MixingVolumeHeatPortWater.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.077584200073034]