Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances.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 0.0008337/0.0008337, allocations: 91.67 kB / 20.95 MB, free: 3.305 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 0.003006/0.003006, allocations: 163 kB / 24.38 MB, free: 8.605 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 0.9183/0.9183, allocations: 177.1 MB / 204.8 MB, free: 4.996 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.833/1.833, allocations: 389.6 MB / 0.6356 GB, free: 12.2 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances") translateModel(Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.405e-06/2.405e-06, allocations: 0 / 0.7756 GB, free: 5.125 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.515e-05/3.755e-05, allocations: 2.312 kB / 0.7756 GB, free: 5.121 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances): time 0.003393/0.00343, allocations: 1.602 MB / 0.7771 GB, free: 3.535 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.001515/0.004945, allocations: 0.9167 MB / 0.778 GB, free: 2.629 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 7.588e-05/0.005021, allocations: 4 kB / 0.778 GB, free: 2.625 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.000212/0.005233, allocations: 39.45 kB / 0.7781 GB, free: 2.59 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 3.989e-05/0.005273, allocations: 26.19 kB / 0.7781 GB, free: 2.566 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004364/0.00571, allocations: 186.1 kB / 0.7783 GB, free: 2.387 MB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.0001005/0.00581, allocations: 51.67 kB / 0.7783 GB, free: 2.336 MB / 0.7292 GB Notification: Performance of NFFlatten.resolveConnections: time 3.948e-05/0.00585, allocations: 2.906 kB / 0.7783 GB, free: 2.336 MB / 0.7292 GB Notification: Performance of NFEvalConstants.evaluate: time 9.841e-05/0.005948, allocations: 31.89 kB / 0.7784 GB, free: 2.305 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 2.543e-05/0.005973, allocations: 8 kB / 0.7784 GB, free: 2.297 MB / 0.7292 GB Notification: Performance of NFPackage.collectConstants: time 1.261e-05/0.005986, allocations: 0 / 0.7784 GB, free: 2.297 MB / 0.7292 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0004246/0.006411, allocations: 179.8 kB / 0.7785 GB, free: 2.121 MB / 0.7292 GB Notification: Performance of NFScalarize.scalarize: time 1.167e-05/0.006422, allocations: 7.922 kB / 0.7786 GB, free: 2.113 MB / 0.7292 GB Notification: Performance of NFVerifyModel.verify: time 2.139e-05/0.006444, allocations: 16.56 kB / 0.7786 GB, free: 2.098 MB / 0.7292 GB Notification: Performance of NFConvertDAE.convert: time 0.0002353/0.006679, allocations: 151.5 kB / 0.7787 GB, free: 1.949 MB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 2.625e-06/0.006682, allocations: 0.6875 kB / 0.7787 GB, free: 1.949 MB / 0.7292 GB Notification: Performance of FrontEnd: time 1.122e-06/0.006683, allocations: 4 kB / 0.7787 GB, free: 1.945 MB / 0.7292 GB Notification: Performance of Transformations before backend: time 3.828e-06/0.006687, allocations: 0.6875 kB / 0.7787 GB, free: 1.945 MB / 0.7292 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 0 * Number of variables: 0 Notification: Performance of Generate backend data structure: time 0.0002799/0.006966, allocations: 269.3 kB / 0.779 GB, free: 1.66 MB / 0.7292 GB Notification: Performance of prepare preOptimizeDAE: time 3.283e-05/0.006999, allocations: 8.75 kB / 0.779 GB, free: 1.652 MB / 0.7292 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.156e-05/0.007051, allocations: 84.86 kB / 0.7791 GB, free: 1.57 MB / 0.7292 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001723/0.007223, allocations: 201 kB / 0.7793 GB, free: 1.348 MB / 0.7292 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.348e-05/0.007267, allocations: 151.7 kB / 0.7794 GB, free: 1.199 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.626e-05/0.007313, allocations: 154.9 kB / 0.7795 GB, free: 1.047 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 4.85e-05/0.007361, allocations: 111 kB / 0.7797 GB, free: 0.9336 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.514e-05/0.007386, allocations: 75.47 kB / 0.7797 GB, free: 0.8594 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.675e-05/0.007423, allocations: 154.9 kB / 0.7799 GB, free: 0.707 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.913e-05/0.007462, allocations: 159.2 kB / 0.78 GB, free: 0.5508 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 4.981e-05/0.007512, allocations: 154.6 kB / 0.7802 GB, free: 408 kB / 0.7292 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001682/0.00768, allocations: 351 kB / 0.7805 GB, free: 44 kB / 0.7292 GB Notification: Performance of preOpt comSubExp (simulation): time 8.441e-05/0.007765, allocations: 177.1 kB / 0.7807 GB, free: 15.86 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 2.046e-05/0.007785, allocations: 80.14 kB / 0.7808 GB, free: 15.78 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 1.777e-05/0.007803, allocations: 75.28 kB / 0.7808 GB, free: 15.7 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.696e-05/0.00784, allocations: 113.8 kB / 0.7809 GB, free: 15.58 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=0): time 1.933e-06/0.007842, allocations: 0.8125 kB / 0.7809 GB, free: 15.58 MB / 0.7448 GB Notification: Performance of matching and sorting (n=0): time 5.902e-05/0.007901, allocations: 29.69 kB / 0.781 GB, free: 15.55 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.933e-05/0.00797, allocations: 135.1 kB / 0.7811 GB, free: 15.4 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.524e-05/0.008065, allocations: 137.1 kB / 0.7812 GB, free: 15.26 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 1.048e-05/0.008076, allocations: 25.7 kB / 0.7812 GB, free: 15.23 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 2.948e-05/0.008105, allocations: 89.56 kB / 0.7813 GB, free: 15.14 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 1.272e-06/0.008107, allocations: 0 / 0.7813 GB, free: 15.14 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.896e-05/0.008136, allocations: 17.7 kB / 0.7813 GB, free: 15.11 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 7.956e-05/0.008215, allocations: 318.8 kB / 0.7817 GB, free: 14.79 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 1.231e-05/0.008228, allocations: 0.875 kB / 0.7817 GB, free: 14.79 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 9.548e-06/0.008237, allocations: 8 kB / 0.7817 GB, free: 14.79 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 2.988e-05/0.008267, allocations: 13.34 kB / 0.7817 GB, free: 14.77 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.924e-06/0.008269, allocations: 0.8125 kB / 0.7817 GB, free: 14.77 MB / 0.7448 GB Notification: Performance of matching and sorting (n=4) (initialization): time 7.533e-05/0.008344, allocations: 37.64 kB / 0.7817 GB, free: 14.73 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.303e-05/0.008357, allocations: 5.75 kB / 0.7817 GB, free: 14.72 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.268e-05/0.00838, allocations: 7.984 kB / 0.7817 GB, free: 14.71 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.303e-05/0.008393, allocations: 8.031 kB / 0.7817 GB, free: 14.71 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 1.502e-06/0.008394, allocations: 0 / 0.7817 GB, free: 14.71 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.445e-06/0.008397, allocations: 0 / 0.7817 GB, free: 14.71 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 2.049e-05/0.008417, allocations: 8.391 kB / 0.7817 GB, free: 14.7 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.001e-06/0.008423, allocations: 1.094 kB / 0.7817 GB, free: 14.7 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * 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 (1): * Single equations (assignments): 0 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * 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 6.996e-05/0.008493, allocations: 189.1 kB / 0.7819 GB, free: 14.5 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.256e-05/0.008536, allocations: 101 kB / 0.782 GB, free: 14.4 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.167e-05/0.008578, allocations: 117.2 kB / 0.7821 GB, free: 14.28 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.105e-05/0.008619, allocations: 177.4 kB / 0.7823 GB, free: 14.1 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.654e-05/0.008665, allocations: 180.3 kB / 0.7825 GB, free: 13.92 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.272e-05/0.008708, allocations: 184.2 kB / 0.7826 GB, free: 13.73 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001943/0.008902, allocations: 334.2 kB / 0.783 GB, free: 13.38 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.77e-05/0.00893, allocations: 108.9 kB / 0.7831 GB, free: 13.27 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.403e-05/0.008954, allocations: 101.6 kB / 0.7832 GB, free: 13.16 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.491e-05/0.008999, allocations: 188.2 kB / 0.7833 GB, free: 12.97 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.315e-05/0.009042, allocations: 181.5 kB / 0.7835 GB, free: 12.79 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.05e-05/0.009082, allocations: 176.3 kB / 0.7837 GB, free: 12.61 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.333e-05/0.009126, allocations: 184.2 kB / 0.7839 GB, free: 12.42 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 9.558e-05/0.009221, allocations: 313 kB / 0.7842 GB, free: 12.09 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 3.464e-05/0.009256, allocations: 109.2 kB / 0.7843 GB, free: 11.98 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.483e-05/0.009311, allocations: 180.3 kB / 0.7844 GB, free: 11.79 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 6.616e-05/0.009377, allocations: 108.9 kB / 0.7845 GB, free: 11.68 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.713e-05/0.009424, allocations: 181.5 kB / 0.7847 GB, free: 11.5 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.435e-05/0.009448, allocations: 104.9 kB / 0.7848 GB, free: 11.39 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 3.228e-05/0.009481, allocations: 29.92 kB / 0.7848 GB, free: 11.36 MB / 0.7448 GB Notification: Performance of sort global known variables: time 7e-08/0.009481, allocations: 0.875 kB / 0.7848 GB, free: 11.36 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.0002317/0.009712, allocations: 35.88 kB / 0.7849 GB, free: 11.32 MB / 0.7448 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (0): * Single equations (assignments): 0 * 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 0.000227/0.009939, allocations: 205.4 kB / 0.7851 GB, free: 11.11 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 7.22e-05/0.01001, allocations: 39.48 kB / 0.7851 GB, free: 11.07 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 3.827e-06/0.01002, allocations: 4 kB / 0.7851 GB, free: 11.06 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 1.272e-06/0.01002, allocations: 0.5312 kB / 0.7851 GB, free: 11.06 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002904/0.01031, allocations: 469.2 kB / 0.7856 GB, free: 10.6 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.000252/0.01056, allocations: 224.3 kB / 0.7858 GB, free: 10.36 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 4.08e-05/0.0106, allocations: 59.34 kB / 0.7858 GB, free: 10.28 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 2.193e-05/0.01062, allocations: 0 / 0.7858 GB, free: 10.28 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.083e-05/0.01067, allocations: 59.36 kB / 0.7859 GB, free: 10.22 MB / 0.7448 GB Notification: Performance of SimCode: time 5.71e-07/0.01067, allocations: 2.625 kB / 0.7859 GB, free: 10.22 MB / 0.7448 GB Notification: Performance of Templates: time 0.003547/0.01422, allocations: 1.818 MB / 0.7877 GB, free: 8.496 MB / 0.7448 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances.pipe ; mkfifo Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances.pipe >> ../files/Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances.sim & (cd run_cvode && ../Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s cvode) > Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances.pipe 2>&1) [Timeout 240] (rm -f Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_gbode.pipe ; mkfifo Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_gbode.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_gbode.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_gbode.sim & (cd run_gbode && ../Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s gbode -gbm=radauIIA3) > Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_gbode.pipe 2>&1) [Timeout 240] (rm -f Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_ida.pipe ; mkfifo Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_ida.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_ida.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_ida.sim & (cd run_ida && ../Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s ida) > Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeResistances_ida.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.818949584849179]