Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch.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 0.0009716/0.0009716, 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 0.001142/0.001142, allocations: 173 kB / 23.03 MB, free: 1.543 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 1/1, allocations: 177.1 MB / 203.4 MB, free: 5.625 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.123/2.123, allocations: 429.5 MB / 0.6733 GB, free: 4.02 MB / 0.6355 GB " [Timeout remaining time 177] Using package Buildings with version 14.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Controls.OBC.CDL.Logical.Validation.Latch,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|falCleTruIni.u|falCleTruIni.clr|falCleTruIni.y|falCleFalIni.u|falCleFalIni.clr|falCleFalIni.y|truCleTruIni.u|truCleTruIni.clr|truCleTruIni.y|truCleFalIni.u|truCleFalIni.clr|truCleFalIni.y|swiCleInp.u|swiCleInp.clr|swiCleInp.y|swiCleInp1.u|swiCleInp1.clr|swiCleInp1.y",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch") translateModel(Buildings.Controls.OBC.CDL.Logical.Validation.Latch,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|falCleTruIni.u|falCleTruIni.clr|falCleTruIni.y|falCleFalIni.u|falCleFalIni.clr|falCleFalIni.y|truCleTruIni.u|truCleTruIni.clr|truCleTruIni.y|truCleFalIni.u|truCleFalIni.clr|truCleFalIni.y|swiCleInp.u|swiCleInp.clr|swiCleInp.y|swiCleInp1.u|swiCleInp1.clr|swiCleInp1.y",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 4.328e-06/4.328e-06, allocations: 0 / 0.8782 GB, free: 6.285 MB / 0.8386 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.011e-05/3.443e-05, allocations: 5.266 kB / 0.8782 GB, free: 6.281 MB / 0.8386 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Logical.Validation.Latch): time 0.001554/0.001589, allocations: 0.7902 MB / 0.879 GB, free: 5.512 MB / 0.8386 GB Notification: Performance of NFInst.instExpressions: time 0.001321/0.00291, allocations: 1.286 MB / 0.8802 GB, free: 4.215 MB / 0.8386 GB Notification: Performance of NFInst.updateImplicitVariability: time 5.114e-05/0.002961, allocations: 5.094 kB / 0.8802 GB, free: 4.211 MB / 0.8386 GB Notification: Performance of NFTyping.typeComponents: time 3.845e-05/0.002999, allocations: 15.8 kB / 0.8802 GB, free: 4.195 MB / 0.8386 GB Notification: Performance of NFTyping.typeBindings: time 7.737e-05/0.003077, allocations: 15.2 kB / 0.8803 GB, free: 4.184 MB / 0.8386 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005672/0.003644, allocations: 240.2 kB / 0.8805 GB, free: 3.949 MB / 0.8386 GB Notification: Performance of NFFlatten.flatten: time 0.0002457/0.00389, allocations: 253.2 kB / 0.8807 GB, free: 3.703 MB / 0.8386 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001328/0.004022, allocations: 45.27 kB / 0.8808 GB, free: 3.66 MB / 0.8386 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001595/0.004182, allocations: 151.7 kB / 0.8809 GB, free: 3.512 MB / 0.8386 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001315/0.004314, allocations: 78.11 kB / 0.881 GB, free: 3.438 MB / 0.8386 GB Notification: Performance of NFPackage.collectConstants: time 3.491e-05/0.004348, allocations: 20 kB / 0.881 GB, free: 3.418 MB / 0.8386 GB Notification: Performance of NFFlatten.collectFunctions: time 7.242e-05/0.004421, allocations: 35.98 kB / 0.881 GB, free: 3.383 MB / 0.8386 GB Notification: Performance of NFScalarize.scalarize: time 3.642e-05/0.004457, allocations: 35.89 kB / 0.8811 GB, free: 3.348 MB / 0.8386 GB Notification: Performance of NFVerifyModel.verify: time 7.026e-05/0.004528, allocations: 69.22 kB / 0.8811 GB, free: 3.281 MB / 0.8386 GB Notification: Performance of NFConvertDAE.convert: time 0.0002035/0.004731, allocations: 183.4 kB / 0.8813 GB, free: 3.102 MB / 0.8386 GB Notification: Performance of FrontEnd - DAE generated: time 3.046e-06/0.004734, allocations: 0 / 0.8813 GB, free: 3.102 MB / 0.8386 GB Notification: Performance of FrontEnd: time 9.02e-07/0.004735, allocations: 0 / 0.8813 GB, free: 3.102 MB / 0.8386 GB Notification: Performance of Transformations before backend: time 3.757e-06/0.004739, allocations: 1.594 kB / 0.8813 GB, free: 3.102 MB / 0.8386 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 26 * Number of variables: 26 Notification: Performance of Generate backend data structure: time 0.0005147/0.005253, allocations: 0.515 MB / 0.8818 GB, free: 2.535 MB / 0.8386 GB Notification: Performance of prepare preOptimizeDAE: time 4.022e-05/0.005294, allocations: 8.031 kB / 0.8818 GB, free: 2.527 MB / 0.8386 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.735e-05/0.005361, allocations: 34.95 kB / 0.8819 GB, free: 2.496 MB / 0.8386 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001825/0.005543, allocations: 156.4 kB / 0.882 GB, free: 2.316 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.81e-05/0.005561, allocations: 16.38 kB / 0.882 GB, free: 2.301 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.641e-05/0.005588, allocations: 20.38 kB / 0.882 GB, free: 2.281 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001419/0.00573, allocations: 91.94 kB / 0.8821 GB, free: 2.188 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.265e-06/0.005738, allocations: 192 / 0.8821 GB, free: 2.188 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.388e-05/0.005752, allocations: 14.77 kB / 0.8822 GB, free: 2.176 MB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.125e-06/0.00576, allocations: 384 / 0.8822 GB, free: 2.176 MB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 6.256e-05/0.005823, allocations: 47.84 kB / 0.8822 GB, free: 2.129 MB / 0.8386 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0004514/0.006274, allocations: 439.2 kB / 0.8826 GB, free: 1.664 MB / 0.8386 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001612/0.006435, allocations: 118.9 kB / 0.8827 GB, free: 1.535 MB / 0.8386 GB Notification: Performance of preOpt resolveLoops (simulation): time 5.404e-05/0.006489, allocations: 47.72 kB / 0.8828 GB, free: 1.484 MB / 0.8386 GB Notification: Performance of preOpt evalFunc (simulation): time 7.885e-06/0.006497, allocations: 4 kB / 0.8828 GB, free: 1.48 MB / 0.8386 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001798/0.006677, allocations: 164.9 kB / 0.8829 GB, free: 1.305 MB / 0.8386 GB Notification: Performance of pre-optimization done (n=32): time 1.973e-06/0.006679, allocations: 0 / 0.8829 GB, free: 1.305 MB / 0.8386 GB Notification: Performance of matching and sorting (n=32): time 0.000379/0.007058, allocations: 302.8 kB / 0.8832 GB, free: 1.004 MB / 0.8386 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.621e-05/0.007104, allocations: 63.39 kB / 0.8833 GB, free: 0.9297 MB / 0.8386 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001185/0.007223, allocations: 216.1 kB / 0.8835 GB, free: 0.7031 MB / 0.8386 GB Notification: Performance of collectPreVariables (initialization): time 2.688e-05/0.007249, allocations: 33.7 kB / 0.8835 GB, free: 0.6641 MB / 0.8386 GB Notification: Performance of collectInitialEqns (initialization): time 6.951e-05/0.007319, allocations: 155.7 kB / 0.8837 GB, free: 0.5078 MB / 0.8386 GB Notification: Performance of collectInitialBindings (initialization): time 3.739e-05/0.007356, allocations: 71.47 kB / 0.8837 GB, free: 448 kB / 0.8386 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.683e-05/0.007453, allocations: 103.7 kB / 0.8838 GB, free: 332 kB / 0.8386 GB Notification: Performance of setup shared object (initialization): time 0.0001445/0.007598, allocations: 0.5 MB / 0.8843 GB, free: 15.81 MB / 0.8542 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001455/0.007743, allocations: 148.2 kB / 0.8845 GB, free: 15.66 MB / 0.8542 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001708/0.007914, allocations: 233.2 kB / 0.8847 GB, free: 15.39 MB / 0.8542 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000229/0.008143, allocations: 271.4 kB / 0.8849 GB, free: 15.08 MB / 0.8542 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.557e-06/0.008146, allocations: 0 / 0.8849 GB, free: 15.08 MB / 0.8542 GB Notification: Performance of matching and sorting (n=50) (initialization): time 0.0004229/0.008569, allocations: 469.6 kB / 0.8854 GB, free: 14.59 MB / 0.8542 GB Notification: Performance of prepare postOptimizeDAE: time 4.658e-05/0.008616, allocations: 67.39 kB / 0.8855 GB, free: 14.51 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.614e-06/0.008624, allocations: 4 kB / 0.8855 GB, free: 14.51 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.844e-05/0.008642, allocations: 3.984 kB / 0.8855 GB, free: 14.5 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 2.99e-05/0.008672, allocations: 20.12 kB / 0.8855 GB, free: 14.48 MB / 0.8542 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.406e-06/0.00868, allocations: 8 kB / 0.8855 GB, free: 14.48 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001971/0.008878, allocations: 59.8 kB / 0.8856 GB, free: 14.42 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.32e-05/0.008901, allocations: 16 kB / 0.8856 GB, free: 14.4 MB / 0.8542 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 46 ($whenCondition15,$whenCondition16,$whenCondition13,$whenCondition14,tru.y,fal.y,truCleTruIni.clr,truCleFalIni.clr,falCleTruIni.clr,falCleFalIni.clr,latInp.y,$PRE.latInp.y,cleInp.y,$PRE.cleInp.y,swiCleInp1.y,$PRE.swiCleInp1.y,swiCleInp1.clr,swiCleInp1.u,swiCleInp.y,$PRE.swiCleInp.y,swiCleInp.clr,swiCleInp.u,truCleFalIni.y,$PRE.truCleFalIni.y,truCleFalIni.u,falCleFalIni.y,$PRE.falCleFalIni.y,falCleFalIni.u,truCleTruIni.y,$PRE.truCleTruIni.y,truCleTruIni.u,falCleTruIni.y,$PRE.falCleTruIni.y,falCleTruIni.u,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10,$whenCondition11,$whenCondition12) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (46): * Single equations (assignments): 44 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0001243/0.009025, allocations: 204.4 kB / 0.8858 GB, free: 14.2 MB / 0.8542 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.49e-05/0.00905, allocations: 31.91 kB / 0.8858 GB, free: 14.16 MB / 0.8542 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.916e-05/0.009089, allocations: 17.95 kB / 0.8858 GB, free: 14.14 MB / 0.8542 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.96e-06/0.009094, allocations: 7.984 kB / 0.8858 GB, free: 14.14 MB / 0.8542 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.133e-06/0.009101, allocations: 0 / 0.8858 GB, free: 14.14 MB / 0.8542 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.208e-06/0.009105, allocations: 0 / 0.8858 GB, free: 14.14 MB / 0.8542 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004923/0.009598, allocations: 0.5922 MB / 0.8864 GB, free: 13.5 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.014e-06/0.0096, allocations: 0 / 0.8864 GB, free: 13.5 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.538e-05/0.009615, allocations: 15.86 kB / 0.8864 GB, free: 13.48 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.996e-06/0.009618, allocations: 0 / 0.8864 GB, free: 13.48 MB / 0.8542 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.331e-05/0.009631, allocations: 15.94 kB / 0.8864 GB, free: 13.47 MB / 0.8542 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.966e-06/0.009634, allocations: 0 / 0.8864 GB, free: 13.47 MB / 0.8542 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.143e-06/0.009635, allocations: 0 / 0.8864 GB, free: 13.47 MB / 0.8542 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002733/0.009909, allocations: 388.8 kB / 0.8868 GB, free: 13.07 MB / 0.8542 GB Notification: Performance of postOpt removeConstants (simulation): time 1.524e-05/0.009924, allocations: 23.84 kB / 0.8868 GB, free: 13.05 MB / 0.8542 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.781e-05/0.009942, allocations: 7.922 kB / 0.8868 GB, free: 13.04 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 4.371e-05/0.009986, allocations: 8 kB / 0.8868 GB, free: 13.03 MB / 0.8542 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.972e-05/0.01004, allocations: 23.95 kB / 0.8869 GB, free: 13.01 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.069e-05/0.01006, allocations: 12 kB / 0.8869 GB, free: 13 MB / 0.8542 GB Notification: Performance of sorting global known variables: time 6.185e-05/0.01012, allocations: 139.2 kB / 0.887 GB, free: 12.86 MB / 0.8542 GB Notification: Performance of sort global known variables: time 5e-08/0.01012, allocations: 0 / 0.887 GB, free: 12.86 MB / 0.8542 GB Notification: Performance of remove unused functions: time 0.0002225/0.01034, allocations: 71.88 kB / 0.8871 GB, free: 12.79 MB / 0.8542 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 32 (swiCleInp1.clr,swiCleInp.clr,truCleFalIni.u,swiCleInp1.u,swiCleInp.u,truCleTruIni.u,falCleTruIni.u,falCleFalIni.u,$whenCondition15,$whenCondition16,$whenCondition13,$whenCondition14,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,falCleTruIni.y,truCleTruIni.y,falCleFalIni.y,truCleFalIni.y,swiCleInp.y,swiCleInp1.y,cleInp.y,latInp.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (32): * Single equations (assignments): 24 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 8 * 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 0.0001381/0.01048, allocations: 109.2 kB / 0.8872 GB, free: 12.67 MB / 0.8542 GB Notification: Performance of simCode: created initialization part: time 0.0003821/0.01086, allocations: 407.5 kB / 0.8876 GB, free: 12.23 MB / 0.8542 GB Notification: Performance of simCode: created event and clocks part: time 2.945e-06/0.01086, allocations: 4 kB / 0.8876 GB, free: 12.23 MB / 0.8542 GB Notification: Performance of simCode: created simulation system equations: time 9.2e-05/0.01096, allocations: 88.05 kB / 0.8877 GB, free: 12.14 MB / 0.8542 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000253/0.01121, allocations: 38.02 kB / 0.8877 GB, free: 12.11 MB / 0.8542 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0004835/0.01169, allocations: 323.9 kB / 0.888 GB, free: 11.76 MB / 0.8542 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 5.296e-05/0.01175, allocations: 72.95 kB / 0.8881 GB, free: 11.67 MB / 0.8542 GB Notification: Performance of simCode: alias equations: time 4.786e-05/0.01179, allocations: 22.28 kB / 0.8881 GB, free: 11.65 MB / 0.8542 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.508e-05/0.01183, allocations: 24.5 kB / 0.8881 GB, free: 11.63 MB / 0.8542 GB Notification: Performance of SimCode: time 1.082e-06/0.01183, allocations: 0 / 0.8881 GB, free: 11.63 MB / 0.8542 GB Notification: Performance of Templates: time 0.005053/0.01688, allocations: 3.038 MB / 0.8911 GB, free: 8.637 MB / 0.8542 GB " [Timeout remaining time 300] make -j1 -f Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch.pipe ; mkfifo Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch.pipe ; head -c 1048576 < Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch.pipe >> ../files/Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch.sim & ./Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_latest_Buildings.Controls.OBC.CDL.Logical.Validation.Latch_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Controls_OBC_CDL_Logical_Validation_Latch.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 5.604809160344303]