Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.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 0.001344/0.001344, allocations: 108.3 kB / 19.7 MB, free: 2.16 MB / 14.72 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 0.001502/0.001502, allocations: 213.6 kB / 22.99 MB, free: 4.988 MB / 14.72 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 1.486/1.486, allocations: 230.6 MB / 256.8 MB, free: 7.812 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.178/3.178, allocations: 0.49 GB / 0.7959 GB, free: 35.44 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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(Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conBoiRet.TSet|conBoiRet.TRet|conBoiRet.yVal",fileNamePrefix="Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn") translateModel(Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conBoiRet.TSet|conBoiRet.TRet|conBoiRet.yVal",fileNamePrefix="Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00204/0.00204, allocations: 70.7 kB / 1.155 GB, free: 25.29 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3169/0.3189, allocations: 176.1 MB / 1.327 GB, free: 1 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn): time 0.003453/0.3224, allocations: 1.952 MB / 1.329 GB, free: 15.04 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.0009492/0.3233, allocations: 450.7 kB / 1.329 GB, free: 14.6 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001434/0.3235, allocations: 4 kB / 1.329 GB, free: 14.59 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.0001663/0.3237, allocations: 47.53 kB / 1.329 GB, free: 14.55 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0001171/0.3238, allocations: 39.66 kB / 1.329 GB, free: 14.51 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002473/0.324, allocations: 95.86 kB / 1.33 GB, free: 14.41 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0003244/0.3243, allocations: 296.4 kB / 1.33 GB, free: 14.12 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002314/0.3246, allocations: 101.1 kB / 1.33 GB, free: 14.02 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001317/0.3247, allocations: 107.6 kB / 1.33 GB, free: 13.91 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000131/0.3248, allocations: 107.5 kB / 1.33 GB, free: 13.81 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 5.816e-05/0.3249, allocations: 36 kB / 1.33 GB, free: 13.77 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 3.858e-05/0.3249, allocations: 32 kB / 1.33 GB, free: 13.74 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 6.292e-05/0.325, allocations: 63.78 kB / 1.33 GB, free: 13.68 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 8.992e-05/0.3251, allocations: 87.53 kB / 1.33 GB, free: 13.59 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0004269/0.3255, allocations: 386.5 kB / 1.331 GB, free: 13.21 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 7.304e-06/0.3255, allocations: 4 kB / 1.331 GB, free: 13.21 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.403e-06/0.3255, allocations: 3.938 kB / 1.331 GB, free: 13.21 MB / 1.029 GB Notification: Performance of Transformations before backend: time 6.642e-06/0.3255, allocations: 0 / 1.331 GB, free: 13.21 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 47 * Number of variables: 47 Notification: Performance of Generate backend data structure: time 0.0009248/0.3265, allocations: 0.4945 MB / 1.331 GB, free: 12.68 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 3.544e-05/0.3265, allocations: 12.03 kB / 1.331 GB, free: 12.67 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.301e-05/0.3266, allocations: 28.75 kB / 1.331 GB, free: 12.64 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003968/0.327, allocations: 214.5 kB / 1.331 GB, free: 12.41 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.457e-05/0.327, allocations: 16.81 kB / 1.331 GB, free: 12.39 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.32e-05/0.327, allocations: 20.38 kB / 1.332 GB, free: 12.37 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005222/0.3275, allocations: 264 kB / 1.332 GB, free: 12.09 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.283e-05/0.3276, allocations: 3.938 kB / 1.332 GB, free: 12.09 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.746e-05/0.3276, allocations: 8 kB / 1.332 GB, free: 12.08 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.685e-06/0.3276, allocations: 4 kB / 1.332 GB, free: 12.07 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004619/0.3281, allocations: 173 kB / 1.332 GB, free: 11.91 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001137/0.3292, allocations: 0.6896 MB / 1.333 GB, free: 11.17 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005333/0.3297, allocations: 178.7 kB / 1.333 GB, free: 10.99 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000222/0.3299, allocations: 84.81 kB / 1.333 GB, free: 10.9 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 2.508e-05/0.33, allocations: 4 kB / 1.333 GB, free: 10.9 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.967e-05/0.33, allocations: 30.56 kB / 1.333 GB, free: 10.86 MB / 1.029 GB Notification: Performance of pre-optimization done (n=12): time 1.332e-06/0.33, allocations: 0 / 1.333 GB, free: 10.86 MB / 1.029 GB Notification: Performance of matching and sorting (n=12): time 0.0006653/0.3307, allocations: 237.9 kB / 1.333 GB, free: 10.62 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.665e-05/0.3307, allocations: 88.98 kB / 1.333 GB, free: 10.52 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002472/0.331, allocations: 215.7 kB / 1.333 GB, free: 10.29 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 2.572e-05/0.331, allocations: 25.7 kB / 1.333 GB, free: 10.26 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001199/0.3311, allocations: 160.2 kB / 1.334 GB, free: 10.1 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 5.73e-05/0.3312, allocations: 51.56 kB / 1.334 GB, free: 10.05 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.101e-05/0.3313, allocations: 37.7 kB / 1.334 GB, free: 10 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001528/0.3314, allocations: 326.8 kB / 1.334 GB, free: 9.676 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002058/0.3316, allocations: 72.72 kB / 1.334 GB, free: 9.602 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002538/0.3319, allocations: 164.5 kB / 1.334 GB, free: 9.41 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003843/0.3323, allocations: 156.5 kB / 1.334 GB, free: 9.246 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.374e-06/0.3323, allocations: 0 / 1.334 GB, free: 9.246 MB / 1.029 GB Notification: Performance of matching and sorting (n=17) (initialization): time 0.0004842/0.3327, allocations: 202.3 kB / 1.335 GB, free: 9.043 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.714e-05/0.3328, allocations: 4 kB / 1.335 GB, free: 9.039 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.36e-06/0.3328, allocations: 4.031 kB / 1.335 GB, free: 9.035 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.619e-05/0.3328, allocations: 8 kB / 1.335 GB, free: 9.027 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001881/0.333, allocations: 43.84 kB / 1.335 GB, free: 8.984 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.771e-06/0.333, allocations: 4 kB / 1.335 GB, free: 8.98 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001416/0.3331, allocations: 27.86 kB / 1.335 GB, free: 8.953 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.44e-05/0.3331, allocations: 4 kB / 1.335 GB, free: 8.949 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002381/0.3334, allocations: 156.1 kB / 1.335 GB, free: 8.793 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002095/0.3336, allocations: 146.5 kB / 1.335 GB, free: 8.621 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002846/0.3339, allocations: 145.2 kB / 1.335 GB, free: 8.469 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.272e-06/0.3339, allocations: 0 / 1.335 GB, free: 8.469 MB / 1.029 GB Notification: Performance of matching and sorting (n=17) (initialization_lambda0): time 0.0003734/0.3342, allocations: 181.4 kB / 1.335 GB, free: 8.285 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.015e-05/0.3342, allocations: 12.09 kB / 1.335 GB, free: 8.273 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.737e-06/0.3342, allocations: 4 kB / 1.335 GB, free: 8.27 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.879e-06/0.3343, allocations: 4 kB / 1.335 GB, free: 8.266 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001366/0.3344, allocations: 23.98 kB / 1.335 GB, free: 8.242 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.988e-06/0.3344, allocations: 7.938 kB / 1.335 GB, free: 8.234 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001291/0.3345, allocations: 23.92 kB / 1.335 GB, free: 8.211 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.043e-05/0.3345, allocations: 4 kB / 1.335 GB, free: 8.207 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 1 (conBoiRet.conPID.con1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (17): * Single equations (assignments): 17 * 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 0.0001238/0.3347, allocations: 188.7 kB / 1.336 GB, free: 8.016 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.714e-05/0.3347, allocations: 15.86 kB / 1.336 GB, free: 8 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.104e-05/0.3348, allocations: 29.39 kB / 1.336 GB, free: 7.973 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.548e-06/0.3348, allocations: 3.938 kB / 1.336 GB, free: 7.969 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.779e-06/0.3348, allocations: 0 / 1.336 GB, free: 7.969 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.955e-06/0.3348, allocations: 0 / 1.336 GB, free: 7.969 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002856/0.3351, allocations: 201.2 kB / 1.336 GB, free: 7.742 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.122e-06/0.3351, allocations: 0 / 1.336 GB, free: 7.742 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001706/0.3352, allocations: 31.97 kB / 1.336 GB, free: 7.711 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.147e-06/0.3352, allocations: 4 kB / 1.336 GB, free: 7.707 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.278e-05/0.3353, allocations: 0 / 1.336 GB, free: 7.707 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.273e-06/0.3353, allocations: 0 / 1.336 GB, free: 7.707 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.218e-06/0.3353, allocations: 11.88 kB / 1.336 GB, free: 7.695 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000679/0.3359, allocations: 339.3 kB / 1.336 GB, free: 7.348 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 4.24e-05/0.336, allocations: 23.83 kB / 1.336 GB, free: 7.324 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.04e-05/0.336, allocations: 11.92 kB / 1.336 GB, free: 7.312 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000152/0.3362, allocations: 15.98 kB / 1.336 GB, free: 7.297 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.483e-05/0.3362, allocations: 11.98 kB / 1.336 GB, free: 7.285 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.125e-05/0.3362, allocations: 4 kB / 1.336 GB, free: 7.281 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.0001561/0.3364, allocations: 157.5 kB / 1.336 GB, free: 7.129 MB / 1.029 GB Notification: Performance of sort global known variables: time 9e-08/0.3364, allocations: 0 / 1.336 GB, free: 7.129 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.000383/0.3368, allocations: 63.78 kB / 1.336 GB, free: 7.066 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 1 (conBoiRet.conPID.I.y) * 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 (12): * Single equations (assignments): 12 * 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 0.0001142/0.3369, allocations: 103.2 kB / 1.336 GB, free: 6.953 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0006081/0.3375, allocations: 221.8 kB / 1.337 GB, free: 6.738 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.414e-06/0.3375, allocations: 0 / 1.337 GB, free: 6.738 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0001817/0.3377, allocations: 63.95 kB / 1.337 GB, free: 6.676 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003776/0.338, allocations: 36.33 kB / 1.337 GB, free: 6.641 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0008042/0.3388, allocations: 411.6 kB / 1.337 GB, free: 6.211 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001448/0.339, allocations: 130.2 kB / 1.337 GB, free: 6.066 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 8.408e-05/0.3391, allocations: 13.48 kB / 1.337 GB, free: 6.055 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 6.002e-05/0.3391, allocations: 19.44 kB / 1.337 GB, free: 6.035 MB / 1.029 GB Notification: Performance of SimCode: time 4.01e-07/0.3391, allocations: 0 / 1.337 GB, free: 6.035 MB / 1.029 GB Notification: Performance of Templates: time 0.005904/0.345, allocations: 2.232 MB / 1.34 GB, free: 3.848 MB / 1.029 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe ; mkfifo Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe ; head -c 1048576 < Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe >> ../files/Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.sim & ./Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn -abortSlowSimulation -alarm=400 -s gbode -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Examples_Tutorial_CDL_Controls_Validation_BoilerReturn.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 8.791014495000127]