Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay.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 0.0009392/0.0009392, allocations: 92.22 kB / 19.65 MB, free: 276 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 0.0009797/0.0009797, allocations: 169 kB / 23.02 MB, free: 1.547 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 0.9675/0.9675, allocations: 177.1 MB / 203.4 MB, free: 5.637 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 0.001632/0.001632, allocations: 233.8 kB / 260.2 MB, free: 12.83 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 0.7086/0.7086, allocations: 138.4 MB / 455.2 MB, free: 1.543 MB / 362.7 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.Delays.Examples.Delay,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay") translateModel(BuildingSystems.Fluid.Delays.Examples.Delay,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.024e-06/2.024e-06, allocations: 4 kB / 0.5551 GB, free: 0.5586 MB / 474.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.638e-05/1.841e-05, allocations: 2.312 kB / 0.5551 GB, free: 0.5547 MB / 474.7 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Delays.Examples.Delay): time 0.3375/0.3375, allocations: 149.3 MB / 0.7009 GB, free: 7.582 MB / 0.5105 GB Notification: Performance of NFInst.instExpressions: time 0.004219/0.3418, allocations: 3.802 MB / 0.7046 GB, free: 3.789 MB / 0.5105 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004356/0.3422, allocations: 43.62 kB / 0.7047 GB, free: 3.746 MB / 0.5105 GB Notification: Performance of NFTyping.typeComponents: time 0.000546/0.3427, allocations: 218.4 kB / 0.7049 GB, free: 3.531 MB / 0.5105 GB Notification: Performance of NFTyping.typeBindings: time 0.001175/0.3439, allocations: 0.9051 MB / 0.7058 GB, free: 2.621 MB / 0.5105 GB Notification: Performance of NFTyping.typeClassSections: time 0.001061/0.345, allocations: 0.783 MB / 0.7065 GB, free: 1.836 MB / 0.5105 GB Notification: Performance of NFFlatten.flatten: time 0.001208/0.3462, allocations: 1.855 MB / 0.7084 GB, free: 15.97 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006375/0.3468, allocations: 477.2 kB / 0.7088 GB, free: 15.5 MB / 0.5261 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0009291/0.3478, allocations: 0.857 MB / 0.7096 GB, free: 14.64 MB / 0.5261 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007621/0.3485, allocations: 0.5242 MB / 0.7102 GB, free: 14.13 MB / 0.5261 GB Notification: Performance of NFPackage.collectConstants: time 8.791e-05/0.3486, allocations: 60 kB / 0.7102 GB, free: 14.07 MB / 0.5261 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009004/0.3495, allocations: 0.7169 MB / 0.7109 GB, free: 13.35 MB / 0.5261 GB Notification: Performance of NFScalarize.scalarize: time 0.0002045/0.3497, allocations: 283.1 kB / 0.7112 GB, free: 13.07 MB / 0.5261 GB Notification: Performance of NFVerifyModel.verify: time 0.0002231/0.3499, allocations: 287.3 kB / 0.7115 GB, free: 12.79 MB / 0.5261 GB Notification: Performance of NFConvertDAE.convert: time 0.0009403/0.3509, allocations: 0.9461 MB / 0.7124 GB, free: 11.84 MB / 0.5261 GB Notification: Performance of FrontEnd - DAE generated: time 3.977e-06/0.3509, allocations: 0 / 0.7124 GB, free: 11.84 MB / 0.5261 GB Notification: Performance of FrontEnd: time 1.452e-06/0.3509, allocations: 3.938 kB / 0.7124 GB, free: 11.84 MB / 0.5261 GB Notification: Performance of Transformations before backend: time 8.195e-06/0.3509, allocations: 0 / 0.7124 GB, free: 11.84 MB / 0.5261 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 113 * Number of variables: 113 Notification: Performance of Generate backend data structure: time 0.001125/0.352, allocations: 1.119 MB / 0.7135 GB, free: 10.68 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 3.456e-05/0.352, allocations: 8.75 kB / 0.7135 GB, free: 10.68 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007747/0.3528, allocations: 280 kB / 0.7138 GB, free: 10.4 MB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006453/0.3535, allocations: 0.5642 MB / 0.7143 GB, free: 9.809 MB / 0.5261 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.88e-05/0.3535, allocations: 33 kB / 0.7143 GB, free: 9.777 MB / 0.5261 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.31e-05/0.3536, allocations: 52 kB / 0.7144 GB, free: 9.727 MB / 0.5261 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004709/0.354, allocations: 473.4 kB / 0.7148 GB, free: 9.219 MB / 0.5261 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.451e-05/0.354, allocations: 7.891 kB / 0.7148 GB, free: 9.211 MB / 0.5261 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.085e-05/0.3541, allocations: 20 kB / 0.7149 GB, free: 9.191 MB / 0.5261 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.466e-05/0.3541, allocations: 17 kB / 0.7149 GB, free: 9.176 MB / 0.5261 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002795/0.3544, allocations: 173.9 kB / 0.7151 GB, free: 9.004 MB / 0.5261 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 0.001402/0.3558, allocations: 1.227 MB / 0.7162 GB, free: 7.742 MB / 0.5261 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003137/0.3561, allocations: 211.4 kB / 0.7164 GB, free: 7.527 MB / 0.5261 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001206/0.3562, allocations: 98.03 kB / 0.7165 GB, free: 7.43 MB / 0.5261 GB Notification: Performance of preOpt evalFunc (simulation): time 9.768e-05/0.3563, allocations: 20.27 kB / 0.7166 GB, free: 7.41 MB / 0.5261 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.687e-05/0.3563, allocations: 41.67 kB / 0.7166 GB, free: 7.359 MB / 0.5261 GB Notification: Performance of pre-optimization done (n=33): time 1.853e-06/0.3563, allocations: 0 / 0.7166 GB, free: 7.359 MB / 0.5261 GB Notification: Performance of matching and sorting (n=33): time 0.0005306/0.3569, allocations: 326.5 kB / 0.7169 GB, free: 7.035 MB / 0.5261 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.289e-05/0.3569, allocations: 55.41 kB / 0.717 GB, free: 6.969 MB / 0.5261 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003329/0.3572, allocations: 490.7 kB / 0.7174 GB, free: 6.473 MB / 0.5261 GB Notification: Performance of collectPreVariables (initialization): time 2.788e-05/0.3573, allocations: 37.7 kB / 0.7175 GB, free: 6.43 MB / 0.5261 GB Notification: Performance of collectInitialEqns (initialization): time 0.000161/0.3574, allocations: 359.1 kB / 0.7178 GB, free: 6.074 MB / 0.5261 GB Notification: Performance of collectInitialBindings (initialization): time 7.058e-05/0.3575, allocations: 134.8 kB / 0.7179 GB, free: 5.941 MB / 0.5261 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.759e-05/0.3576, allocations: 71.69 kB / 0.718 GB, free: 5.863 MB / 0.5261 GB Notification: Performance of setup shared object (initialization): time 0.0001349/0.3577, allocations: 0.543 MB / 0.7185 GB, free: 5.309 MB / 0.5261 GB Notification: Performance of preBalanceInitialSystem (initialization): time 8.981e-05/0.3578, allocations: 52.97 kB / 0.7186 GB, free: 5.254 MB / 0.5261 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001701/0.358, allocations: 300.6 kB / 0.7189 GB, free: 4.891 MB / 0.5261 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002052/0.3582, allocations: 172.8 kB / 0.719 GB, free: 4.707 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.956e-06/0.3582, allocations: 4 kB / 0.719 GB, free: 4.703 MB / 0.5261 GB Notification: Performance of matching and sorting (n=39) (initialization): time 0.0003041/0.3585, allocations: 260.5 kB / 0.7193 GB, free: 4.445 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 1.165e-05/0.3585, allocations: 8 kB / 0.7193 GB, free: 4.438 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.468e-06/0.3585, allocations: 0 / 0.7193 GB, free: 4.438 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.727e-05/0.3585, allocations: 7.984 kB / 0.7193 GB, free: 4.43 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003607/0.3589, allocations: 72 kB / 0.7194 GB, free: 4.359 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.775e-06/0.3589, allocations: 8.719 kB / 0.7194 GB, free: 4.352 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001842/0.3591, allocations: 24.97 kB / 0.7194 GB, free: 4.328 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.11e-05/0.3591, allocations: 12 kB / 0.7194 GB, free: 4.316 MB / 0.5261 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001482/0.3592, allocations: 186.8 kB / 0.7196 GB, free: 4.129 MB / 0.5261 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000152/0.3594, allocations: 288.3 kB / 0.7199 GB, free: 3.777 MB / 0.5261 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001821/0.3596, allocations: 166.8 kB / 0.72 GB, free: 3.598 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.603e-06/0.3596, allocations: 7.938 kB / 0.72 GB, free: 3.59 MB / 0.5261 GB Notification: Performance of matching and sorting (n=39) (initialization_lambda0): time 0.0002794/0.3598, allocations: 264.5 kB / 0.7203 GB, free: 3.328 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 5.06e-06/0.3598, allocations: 4 kB / 0.7203 GB, free: 3.324 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.875e-06/0.3598, allocations: 4 kB / 0.7203 GB, free: 3.32 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.467e-06/0.3599, allocations: 3.984 kB / 0.7203 GB, free: 3.316 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001537/0.36, allocations: 67.92 kB / 0.7204 GB, free: 3.25 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.666e-06/0.36, allocations: 7.922 kB / 0.7204 GB, free: 3.242 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001678/0.3602, allocations: 27.84 kB / 0.7204 GB, free: 3.215 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.573e-05/0.3602, allocations: 12.94 kB / 0.7204 GB, free: 3.203 MB / 0.5261 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (39): * Single equations (assignments): 39 * 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 9.833e-05/0.3603, allocations: 292 kB / 0.7207 GB, free: 2.91 MB / 0.5261 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.73e-05/0.3604, allocations: 67.66 kB / 0.7208 GB, free: 2.844 MB / 0.5261 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003137/0.3607, allocations: 273.2 kB / 0.721 GB, free: 2.57 MB / 0.5261 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.204e-06/0.3607, allocations: 0 / 0.721 GB, free: 2.57 MB / 0.5261 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.029e-06/0.3607, allocations: 4 kB / 0.721 GB, free: 2.566 MB / 0.5261 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002337/0.3609, allocations: 280.5 kB / 0.7213 GB, free: 2.262 MB / 0.5261 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008403/0.3618, allocations: 0.8816 MB / 0.7222 GB, free: 1.316 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.154e-06/0.3618, allocations: 0 / 0.7222 GB, free: 1.316 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002183/0.362, allocations: 80.7 kB / 0.7222 GB, free: 1.238 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.226e-06/0.362, allocations: 4 kB / 0.7222 GB, free: 1.234 MB / 0.5261 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.119e-05/0.362, allocations: 12 kB / 0.7222 GB, free: 1.223 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.328e-06/0.362, allocations: 11.92 kB / 0.7223 GB, free: 1.211 MB / 0.5261 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.545e-06/0.362, allocations: 3.938 kB / 0.7223 GB, free: 1.207 MB / 0.5261 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004319/0.3624, allocations: 0.4948 MB / 0.7227 GB, free: 0.668 MB / 0.5261 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001246/0.3626, allocations: 103.6 kB / 0.7228 GB, free: 0.5664 MB / 0.5261 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.803e-05/0.3626, allocations: 8.5 kB / 0.7228 GB, free: 0.5586 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001815/0.3628, allocations: 15.98 kB / 0.7229 GB, free: 0.543 MB / 0.5261 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.473e-05/0.3628, allocations: 31.89 kB / 0.7229 GB, free: 0.5117 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.761e-05/0.3629, allocations: 8.688 kB / 0.7229 GB, free: 0.5039 MB / 0.5261 GB Notification: Performance of sorting global known variables: time 0.0002044/0.3631, allocations: 322.8 kB / 0.7232 GB, free: 196 kB / 0.5261 GB Notification: Performance of sort global known variables: time 7e-08/0.3631, allocations: 0 / 0.7232 GB, free: 196 kB / 0.5261 GB Notification: Performance of remove unused functions: time 0.0004938/0.3636, allocations: 335.3 kB / 0.7235 GB, free: 15.86 MB / 0.5417 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 3 (del.dynBal.medium.Xi[1],del.dynBal.U,del.dynBal.m) * 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 (33): * Single equations (assignments): 33 * 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 0.0001883/0.3637, allocations: 159 kB / 0.7237 GB, free: 15.7 MB / 0.5417 GB Notification: Performance of simCode: created initialization part: time 0.0003935/0.3641, allocations: 292.4 kB / 0.724 GB, free: 15.41 MB / 0.5417 GB Notification: Performance of simCode: created event and clocks part: time 1.973e-06/0.3641, allocations: 0 / 0.724 GB, free: 15.41 MB / 0.5417 GB Notification: Performance of simCode: created simulation system equations: time 0.0001105/0.3642, allocations: 103.5 kB / 0.7241 GB, free: 15.3 MB / 0.5417 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007963/0.365, allocations: 329.9 kB / 0.7244 GB, free: 15.01 MB / 0.5417 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0013/0.3663, allocations: 1.092 MB / 0.7254 GB, free: 13.86 MB / 0.5417 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 9.65e-05/0.3664, allocations: 162.3 kB / 0.7256 GB, free: 13.68 MB / 0.5417 GB Notification: Performance of simCode: alias equations: time 0.0003005/0.3667, allocations: 161.3 kB / 0.7258 GB, free: 13.52 MB / 0.5417 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.395e-05/0.3668, allocations: 44.5 kB / 0.7258 GB, free: 13.48 MB / 0.5417 GB Notification: Performance of SimCode: time 5.41e-07/0.3668, allocations: 0 / 0.7258 GB, free: 13.48 MB / 0.5417 GB Notification: Performance of Templates: time 0.01246/0.3793, allocations: 11.17 MB / 0.7367 GB, free: 2.648 MB / 0.5417 GB " [Timeout remaining time 660] make -j1 -f BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay.makefile [Timeout 660] (rm -f BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay.sim & ./BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay -abortSlowSimulation -alarm=240 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Delays.Examples.Delay.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.096948884893209]