Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper.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 0.001889/0.001889, allocations: 80.52 kB / 19.95 MB, free: 4.602 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 0.002071/0.002071, allocations: 173.2 kB / 23.24 MB, free: 1.324 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 1.681/1.681, allocations: 177.1 MB / 203.5 MB, free: 5.75 MB / 186.7 MB " [Timeout remaining time 178] 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 3.1/3.1, allocations: 389.5 MB / 0.6343 GB, free: 12.62 MB / 0.6042 GB " [Timeout remaining time 176] 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.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper") translateModel(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.793e-06/1.793e-06, allocations: 0 / 1.001 GB, free: 12.98 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.873e-05/3.053e-05, allocations: 2.281 kB / 1.001 GB, free: 12.97 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper): time 0.004006/0.004036, allocations: 1.906 MB / 1.003 GB, free: 11.07 MB / 0.9636 GB Notification: Performance of NFInst.instExpressions: time 0.00305/0.007086, allocations: 1.719 MB / 1.005 GB, free: 9.336 MB / 0.9636 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002928/0.007379, allocations: 11.94 kB / 1.005 GB, free: 9.324 MB / 0.9636 GB Notification: Performance of NFTyping.typeComponents: time 0.000284/0.007663, allocations: 83.19 kB / 1.005 GB, free: 9.242 MB / 0.9636 GB Notification: Performance of NFTyping.typeBindings: time 0.0004506/0.008114, allocations: 71.33 kB / 1.005 GB, free: 9.172 MB / 0.9636 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007987/0.008913, allocations: 314.8 kB / 1.005 GB, free: 8.867 MB / 0.9636 GB Notification: Performance of NFFlatten.flatten: time 0.0007478/0.00966, allocations: 0.61 MB / 1.006 GB, free: 8.254 MB / 0.9636 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003721/0.01003, allocations: 174.9 kB / 1.006 GB, free: 8.082 MB / 0.9636 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003918/0.01042, allocations: 303.4 kB / 1.006 GB, free: 7.785 MB / 0.9636 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002404/0.01066, allocations: 147.4 kB / 1.006 GB, free: 7.641 MB / 0.9636 GB Notification: Performance of NFPackage.collectConstants: time 9.542e-05/0.01076, allocations: 56 kB / 1.006 GB, free: 7.586 MB / 0.9636 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001528/0.01091, allocations: 71.98 kB / 1.006 GB, free: 7.516 MB / 0.9636 GB Notification: Performance of NFScalarize.scalarize: time 0.0001179/0.01103, allocations: 103.6 kB / 1.007 GB, free: 7.414 MB / 0.9636 GB Notification: Performance of NFVerifyModel.verify: time 0.0001872/0.01122, allocations: 143.7 kB / 1.007 GB, free: 7.273 MB / 0.9636 GB Notification: Performance of NFConvertDAE.convert: time 0.0009536/0.01217, allocations: 0.7709 MB / 1.007 GB, free: 6.5 MB / 0.9636 GB Notification: Performance of FrontEnd - DAE generated: time 6.692e-06/0.01218, allocations: 4 kB / 1.007 GB, free: 6.496 MB / 0.9636 GB Notification: Performance of FrontEnd: time 1.582e-06/0.01218, allocations: 0 / 1.007 GB, free: 6.496 MB / 0.9636 GB Notification: Performance of Transformations before backend: time 9.578e-06/0.01219, allocations: 0 / 1.007 GB, free: 6.496 MB / 0.9636 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 82 * Number of variables: 82 Notification: Performance of Generate backend data structure: time 0.001568/0.01376, allocations: 0.6859 MB / 1.008 GB, free: 5.77 MB / 0.9636 GB Notification: Performance of prepare preOptimizeDAE: time 4.379e-05/0.0138, allocations: 8.75 kB / 1.008 GB, free: 5.762 MB / 0.9636 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001139/0.01392, allocations: 48.66 kB / 1.008 GB, free: 5.715 MB / 0.9636 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008614/0.01478, allocations: 354.2 kB / 1.009 GB, free: 5.34 MB / 0.9636 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.467e-05/0.01483, allocations: 32.97 kB / 1.009 GB, free: 5.309 MB / 0.9636 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.671e-05/0.0149, allocations: 36.38 kB / 1.009 GB, free: 5.273 MB / 0.9636 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008491/0.01575, allocations: 409.9 kB / 1.009 GB, free: 4.844 MB / 0.9636 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.656e-05/0.01576, allocations: 8.109 kB / 1.009 GB, free: 4.836 MB / 0.9636 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.706e-05/0.0158, allocations: 16.38 kB / 1.009 GB, free: 4.82 MB / 0.9636 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.746e-05/0.01582, allocations: 16.12 kB / 1.009 GB, free: 4.805 MB / 0.9636 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007168/0.01653, allocations: 270.4 kB / 1.009 GB, free: 4.543 MB / 0.9636 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002116/0.01865, allocations: 1.29 MB / 1.011 GB, free: 3.164 MB / 0.9636 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000627/0.01928, allocations: 186.4 kB / 1.011 GB, free: 2.973 MB / 0.9636 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002531/0.01953, allocations: 88.73 kB / 1.011 GB, free: 2.883 MB / 0.9636 GB Notification: Performance of preOpt evalFunc (simulation): time 2.584e-05/0.01956, allocations: 0 / 1.011 GB, free: 2.883 MB / 0.9636 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003768/0.01993, allocations: 139.3 kB / 1.011 GB, free: 2.734 MB / 0.9636 GB Notification: Performance of pre-optimization done (n=14): time 1.173e-06/0.01993, allocations: 0 / 1.011 GB, free: 2.734 MB / 0.9636 GB Notification: Performance of matching and sorting (n=14): time 0.000859/0.02079, allocations: 269.4 kB / 1.011 GB, free: 2.465 MB / 0.9636 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.067e-05/0.02088, allocations: 106.8 kB / 1.011 GB, free: 2.336 MB / 0.9636 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003826/0.02127, allocations: 308.5 kB / 1.012 GB, free: 2.023 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 4.207e-05/0.02131, allocations: 33.7 kB / 1.012 GB, free: 1.984 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004581/0.02177, allocations: 252.1 kB / 1.012 GB, free: 1.734 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 4.982e-05/0.02182, allocations: 47.72 kB / 1.012 GB, free: 1.688 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001302/0.02195, allocations: 65.69 kB / 1.012 GB, free: 1.617 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 0.0001952/0.02214, allocations: 342.8 kB / 1.012 GB, free: 1.273 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003418/0.02248, allocations: 130.7 kB / 1.012 GB, free: 1.133 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005055/0.02299, allocations: 350 kB / 1.013 GB, free: 0.7109 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006516/0.02364, allocations: 300.5 kB / 1.013 GB, free: 380 kB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.795e-06/0.02364, allocations: 0 / 1.013 GB, free: 380 kB / 0.9636 GB Notification: Performance of matching and sorting (n=27) (initialization): time 0.000898/0.02454, allocations: 400.7 kB / 1.013 GB, free: 15.96 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 5.059e-05/0.02459, allocations: 41.62 kB / 1.013 GB, free: 15.91 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.142e-06/0.0246, allocations: 0 / 1.013 GB, free: 15.91 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.711e-05/0.02462, allocations: 7.938 kB / 1.013 GB, free: 15.91 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002313/0.02485, allocations: 51.95 kB / 1.014 GB, free: 15.86 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.418e-05/0.02486, allocations: 11.92 kB / 1.014 GB, free: 15.84 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003536/0.02522, allocations: 71.97 kB / 1.014 GB, free: 15.77 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.485e-05/0.02525, allocations: 16 kB / 1.014 GB, free: 15.76 MB / 0.9792 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00037/0.02562, allocations: 222 kB / 1.014 GB, free: 15.53 MB / 0.9792 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003954/0.02602, allocations: 319.8 kB / 1.014 GB, free: 15.14 MB / 0.9792 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004556/0.02647, allocations: 250.8 kB / 1.014 GB, free: 14.85 MB / 0.9792 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.623e-06/0.02647, allocations: 0 / 1.014 GB, free: 14.85 MB / 0.9792 GB Notification: Performance of matching and sorting (n=27) (initialization_lambda0): time 0.0006784/0.02715, allocations: 352.4 kB / 1.015 GB, free: 14.48 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 4.033e-05/0.02719, allocations: 37.69 kB / 1.015 GB, free: 14.44 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.835e-06/0.02719, allocations: 0 / 1.015 GB, free: 14.44 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.826e-06/0.0272, allocations: 8 kB / 1.015 GB, free: 14.43 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001725/0.02738, allocations: 48.3 kB / 1.015 GB, free: 14.39 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.032e-05/0.02739, allocations: 7.984 kB / 1.015 GB, free: 14.38 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003272/0.02771, allocations: 55.84 kB / 1.015 GB, free: 14.32 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.465e-05/0.02775, allocations: 19.98 kB / 1.015 GB, free: 14.3 MB / 0.9792 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition1,$whenCondition2,yFan.y,$PRE.yFan.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (25): * Single equations (assignments): 24 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0001735/0.02792, allocations: 200.1 kB / 1.015 GB, free: 14.1 MB / 0.9792 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.585e-05/0.02797, allocations: 27.81 kB / 1.015 GB, free: 14.07 MB / 0.9792 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.883e-05/0.02805, allocations: 30.86 kB / 1.015 GB, free: 14.04 MB / 0.9792 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.551e-06/0.02805, allocations: 3.984 kB / 1.015 GB, free: 14.04 MB / 0.9792 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.459e-06/0.02806, allocations: 4 kB / 1.015 GB, free: 14.04 MB / 0.9792 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.657e-06/0.02806, allocations: 0 / 1.015 GB, free: 14.04 MB / 0.9792 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003565/0.02842, allocations: 265 kB / 1.015 GB, free: 13.75 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.252e-06/0.02842, allocations: 0 / 1.015 GB, free: 13.75 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001703/0.02859, allocations: 35.91 kB / 1.015 GB, free: 13.71 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.214e-06/0.02859, allocations: 0 / 1.015 GB, free: 13.71 MB / 0.9792 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.773e-05/0.02861, allocations: 8 kB / 1.015 GB, free: 13.7 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.72e-06/0.02861, allocations: 3.984 kB / 1.015 GB, free: 13.7 MB / 0.9792 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.223e-06/0.02861, allocations: 4 kB / 1.015 GB, free: 13.7 MB / 0.9792 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005828/0.0292, allocations: 236.7 kB / 1.016 GB, free: 13.45 MB / 0.9792 GB Notification: Performance of postOpt removeConstants (simulation): time 4.771e-05/0.02925, allocations: 27.8 kB / 1.016 GB, free: 13.42 MB / 0.9792 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.344e-05/0.02928, allocations: 8 kB / 1.016 GB, free: 13.41 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001598/0.02944, allocations: 15.98 kB / 1.016 GB, free: 13.39 MB / 0.9792 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.016e-05/0.0295, allocations: 19.97 kB / 1.016 GB, free: 13.38 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.298e-05/0.02951, allocations: 4 kB / 1.016 GB, free: 13.37 MB / 0.9792 GB Notification: Performance of sorting global known variables: time 0.0002469/0.02976, allocations: 211.1 kB / 1.016 GB, free: 13.17 MB / 0.9792 GB Notification: Performance of sort global known variables: time 7e-08/0.02976, allocations: 0 / 1.016 GB, free: 13.17 MB / 0.9792 GB Notification: Performance of remove unused functions: time 0.0004962/0.03025, allocations: 139.5 kB / 1.016 GB, free: 13.03 MB / 0.9792 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,$whenCondition2,yFan.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (14): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 1 * 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 0.0001988/0.03045, allocations: 107.2 kB / 1.016 GB, free: 12.91 MB / 0.9792 GB Notification: Performance of simCode: created initialization part: time 0.001094/0.03155, allocations: 0.4953 MB / 1.017 GB, free: 12.39 MB / 0.9792 GB Notification: Performance of simCode: created event and clocks part: time 2.194e-06/0.03155, allocations: 0 / 1.017 GB, free: 12.39 MB / 0.9792 GB Notification: Performance of simCode: created simulation system equations: time 0.0002612/0.03181, allocations: 84 kB / 1.017 GB, free: 12.3 MB / 0.9792 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005093/0.03232, allocations: 89.02 kB / 1.017 GB, free: 12.21 MB / 0.9792 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001174/0.03349, allocations: 0.5365 MB / 1.017 GB, free: 11.65 MB / 0.9792 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002111/0.0337, allocations: 182.5 kB / 1.018 GB, free: 11.45 MB / 0.9792 GB Notification: Performance of simCode: alias equations: time 0.0001828/0.03389, allocations: 42.95 kB / 1.018 GB, free: 11.41 MB / 0.9792 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.986e-05/0.03397, allocations: 36.48 kB / 1.018 GB, free: 11.38 MB / 0.9792 GB Notification: Performance of SimCode: time 7.72e-07/0.03397, allocations: 0 / 1.018 GB, free: 11.38 MB / 0.9792 GB Notification: Performance of Templates: time 0.01098/0.04494, allocations: 4.762 MB / 1.022 GB, free: 6.77 MB / 0.9792 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper.pipe ; mkfifo Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper.pipe ; head -c 1048576 < Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper.pipe >> ../files/Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper.sim & ./Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.ReliefDamper.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 9.075630081817508]