Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.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 0.001709/0.001709, allocations: 79.2 kB / 19.18 MB, free: 2.516 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 0.002074/0.002074, allocations: 164.8 kB / 22.46 MB, free: 5.375 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 1.505/1.505, allocations: 177.2 MB / 202.8 MB, free: 9.172 MB / 190.1 MB " [Timeout remaining time 178] 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 3.012/3.012, allocations: 389 MB / 0.633 GB, free: 1 MB / 0.5919 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.1 (/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.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|damLim.uSupFan_actual|damLim.VOutMinSet_flow|damLim.yOutDam_min|damLim.yOutDam_max|damLim1.uSupFan_actual|damLim1.VOutMinSet_flow|damLim1.yOutDam_min|damLim1.yOutDam_max",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow") translateModel(Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|damLim.uSupFan_actual|damLim.VOutMinSet_flow|damLim.yOutDam_min|damLim.yOutDam_max|damLim1.uSupFan_actual|damLim1.VOutMinSet_flow|damLim1.yOutDam_min|damLim1.yOutDam_max",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 3.386e-06/3.386e-06, allocations: 0 / 1 GB, free: 6.125 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.548e-05/3.886e-05, allocations: 2.281 kB / 1 GB, free: 6.121 MB / 0.9044 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow): time 0.004071/0.00411, allocations: 2.036 MB / 1.002 GB, free: 4.082 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.002985/0.007096, allocations: 1.462 MB / 1.004 GB, free: 2.605 MB / 0.9044 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006232/0.007719, allocations: 23.88 kB / 1.004 GB, free: 2.582 MB / 0.9044 GB Notification: Performance of NFTyping.typeComponents: time 0.0004049/0.008124, allocations: 86.88 kB / 1.004 GB, free: 2.496 MB / 0.9044 GB Notification: Performance of NFTyping.typeBindings: time 0.0004933/0.008617, allocations: 126.9 kB / 1.004 GB, free: 2.371 MB / 0.9044 GB Notification: Performance of NFTyping.typeClassSections: time 0.0006791/0.009296, allocations: 291.6 kB / 1.004 GB, free: 2.086 MB / 0.9044 GB Notification: Performance of NFFlatten.flatten: time 0.0009522/0.01025, allocations: 0.8125 MB / 1.005 GB, free: 1.27 MB / 0.9044 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005331/0.01078, allocations: 278.7 kB / 1.005 GB, free: 0.9844 MB / 0.9044 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005456/0.01133, allocations: 443 kB / 1.006 GB, free: 0.5508 MB / 0.9044 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003084/0.01164, allocations: 247.1 kB / 1.006 GB, free: 316 kB / 0.9044 GB Notification: Performance of NFPackage.collectConstants: time 0.0001237/0.01176, allocations: 84 kB / 1.006 GB, free: 232 kB / 0.9044 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001229/0.01188, allocations: 88 kB / 1.006 GB, free: 144 kB / 0.9044 GB Notification: Performance of NFScalarize.scalarize: time 0.0001745/0.01206, allocations: 175.3 kB / 1.006 GB, free: 15.97 MB / 0.92 GB Notification: Performance of NFVerifyModel.verify: time 0.0002585/0.01231, allocations: 231.3 kB / 1.006 GB, free: 15.74 MB / 0.92 GB Notification: Performance of NFConvertDAE.convert: time 0.001255/0.01357, allocations: 1.148 MB / 1.008 GB, free: 14.59 MB / 0.92 GB Notification: Performance of FrontEnd - DAE generated: time 5.24e-06/0.01358, allocations: 4 kB / 1.008 GB, free: 14.59 MB / 0.92 GB Notification: Performance of FrontEnd: time 1.192e-06/0.01358, allocations: 0 / 1.008 GB, free: 14.59 MB / 0.92 GB Notification: Performance of Transformations before backend: time 1.035e-05/0.01359, allocations: 0 / 1.008 GB, free: 14.59 MB / 0.92 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 161 * Number of variables: 161 Notification: Performance of Generate backend data structure: time 0.001647/0.01523, allocations: 0.8981 MB / 1.008 GB, free: 13.65 MB / 0.92 GB Notification: Performance of prepare preOptimizeDAE: time 4.367e-05/0.01528, allocations: 12.03 kB / 1.008 GB, free: 13.64 MB / 0.92 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001438/0.01542, allocations: 80.42 kB / 1.008 GB, free: 13.56 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001079/0.0165, allocations: 0.4991 MB / 1.009 GB, free: 13.04 MB / 0.92 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.626e-05/0.01655, allocations: 45.69 kB / 1.009 GB, free: 12.99 MB / 0.92 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.457e-05/0.01664, allocations: 64.38 kB / 1.009 GB, free: 12.93 MB / 0.92 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001168/0.01781, allocations: 0.6965 MB / 1.01 GB, free: 12.19 MB / 0.92 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.674e-05/0.01783, allocations: 192 / 1.01 GB, free: 12.19 MB / 0.92 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.88e-05/0.01789, allocations: 28.38 kB / 1.01 GB, free: 12.16 MB / 0.92 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.82e-05/0.0179, allocations: 16.38 kB / 1.01 GB, free: 12.14 MB / 0.92 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001074/0.01898, allocations: 480.9 kB / 1.01 GB, free: 11.68 MB / 0.92 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002862/0.02184, allocations: 1.558 MB / 1.012 GB, free: 10.03 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006316/0.02247, allocations: 186.9 kB / 1.012 GB, free: 9.836 MB / 0.92 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002486/0.02272, allocations: 84.81 kB / 1.012 GB, free: 9.75 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 3.412e-05/0.02275, allocations: 7.984 kB / 1.012 GB, free: 9.742 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.737e-05/0.0228, allocations: 38.5 kB / 1.012 GB, free: 9.695 MB / 0.92 GB Notification: Performance of pre-optimization done (n=22): time 1.884e-06/0.0228, allocations: 0 / 1.012 GB, free: 9.695 MB / 0.92 GB Notification: Performance of matching and sorting (n=22): time 0.0008903/0.02369, allocations: 323.1 kB / 1.012 GB, free: 9.375 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.463e-05/0.02375, allocations: 55.41 kB / 1.012 GB, free: 9.309 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006138/0.02436, allocations: 0.5211 MB / 1.013 GB, free: 8.777 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 3.645e-05/0.0244, allocations: 33.7 kB / 1.013 GB, free: 8.738 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003687/0.02477, allocations: 400.1 kB / 1.013 GB, free: 8.344 MB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 8.902e-05/0.02486, allocations: 83.38 kB / 1.013 GB, free: 8.262 MB / 0.92 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001765/0.02503, allocations: 122.2 kB / 1.014 GB, free: 8.137 MB / 0.92 GB Notification: Performance of setup shared object (initialization): time 0.0002122/0.02525, allocations: 358.8 kB / 1.014 GB, free: 7.777 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000331/0.02558, allocations: 133.2 kB / 1.014 GB, free: 7.648 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005556/0.02613, allocations: 385.6 kB / 1.014 GB, free: 7.145 MB / 0.92 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000927/0.02706, allocations: 0.5368 MB / 1.015 GB, free: 6.484 MB / 0.92 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.749e-06/0.02706, allocations: 8 kB / 1.015 GB, free: 6.477 MB / 0.92 GB Notification: Performance of matching and sorting (n=69) (initialization): time 0.001081/0.02814, allocations: 0.5482 MB / 1.015 GB, free: 5.922 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 2.414e-05/0.02817, allocations: 16.03 kB / 1.015 GB, free: 5.906 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.405e-05/0.02818, allocations: 11.94 kB / 1.015 GB, free: 5.895 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.635e-05/0.02821, allocations: 12 kB / 1.015 GB, free: 5.883 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004318/0.02864, allocations: 115.8 kB / 1.016 GB, free: 5.77 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.33e-05/0.02866, allocations: 19.94 kB / 1.016 GB, free: 5.75 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000394/0.02906, allocations: 75.48 kB / 1.016 GB, free: 5.676 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.185e-05/0.0291, allocations: 32 kB / 1.016 GB, free: 5.645 MB / 0.92 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 41 * Number of states: 0 () * Number of discrete variables: 25 ($PRE.damLim.noZerMin.greHys.y,damLim1.and1.y,damLim.and1.y,damLim.and2.u2,damLim1.and2.u2,damLim.and2.y,damLim.not1.u,damLim1.and2.y,damLim1.not1.u,operationMode.y,freProSta.y,fanStatus.y,damLim1.conInt1.y,damLim1.conInt.y,damLim.conInt1.y,damLim.conInt.y,damLim.intLesEqu.y,damLim.and1.u2,damLim1.intLesEqu.y,damLim1.and1.u2,damLim1.not1.y,damLim1.noZerMin.greHys.y,$PRE.damLim1.noZerMin.greHys.y,damLim.not1.y,damLim.noZerMin.greHys.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (69): * Single equations (assignments): 69 * 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 0.000285/0.02938, allocations: 212.7 kB / 1.016 GB, free: 5.43 MB / 0.92 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.475e-05/0.02946, allocations: 51.67 kB / 1.016 GB, free: 5.379 MB / 0.92 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007232/0.03018, allocations: 286.3 kB / 1.016 GB, free: 5.094 MB / 0.92 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.477e-06/0.03019, allocations: 0 / 1.016 GB, free: 5.094 MB / 0.92 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.839e-06/0.03019, allocations: 0 / 1.016 GB, free: 5.094 MB / 0.92 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.158e-06/0.0302, allocations: 0 / 1.016 GB, free: 5.094 MB / 0.92 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00138/0.03158, allocations: 0.7434 MB / 1.017 GB, free: 4.293 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.625e-06/0.03158, allocations: 0 / 1.017 GB, free: 4.293 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002246/0.0318, allocations: 59.89 kB / 1.017 GB, free: 4.234 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.526e-06/0.03181, allocations: 0 / 1.017 GB, free: 4.234 MB / 0.92 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.004e-05/0.03184, allocations: 8 kB / 1.017 GB, free: 4.227 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.789e-06/0.03184, allocations: 4 kB / 1.017 GB, free: 4.223 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.595e-06/0.03184, allocations: 0 / 1.017 GB, free: 4.223 MB / 0.92 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000711/0.03255, allocations: 407.5 kB / 1.017 GB, free: 3.793 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001048/0.03266, allocations: 55.59 kB / 1.017 GB, free: 3.738 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.211e-05/0.03271, allocations: 4 kB / 1.017 GB, free: 3.734 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002259/0.03294, allocations: 23.98 kB / 1.018 GB, free: 3.711 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.408e-05/0.03301, allocations: 27.89 kB / 1.018 GB, free: 3.684 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.669e-05/0.03303, allocations: 8 kB / 1.018 GB, free: 3.676 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.0003808/0.03341, allocations: 314.9 kB / 1.018 GB, free: 3.371 MB / 0.92 GB Notification: Performance of sort global known variables: time 8e-08/0.03341, allocations: 0 / 1.018 GB, free: 3.371 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.0005536/0.03396, allocations: 123.6 kB / 1.018 GB, free: 3.25 MB / 0.92 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 1 (damLim1.noZerMin.greHys.y) * Number of discrete states: 1 (damLim1.noZerMin.greHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (24): * Single equations (assignments): 24 * 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 0.0001661/0.03413, allocations: 119.1 kB / 1.018 GB, free: 3.121 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.0008036/0.03493, allocations: 331.1 kB / 1.018 GB, free: 2.801 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 2.725e-06/0.03494, allocations: 0 / 1.018 GB, free: 2.801 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.00028/0.03522, allocations: 101.6 kB / 1.018 GB, free: 2.703 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008604/0.03608, allocations: 167.3 kB / 1.019 GB, free: 2.543 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001549/0.03762, allocations: 0.8658 MB / 1.02 GB, free: 1.633 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002994/0.03792, allocations: 275.9 kB / 1.02 GB, free: 1.336 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.0002446/0.03817, allocations: 76.59 kB / 1.02 GB, free: 1.258 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001257/0.03829, allocations: 48.48 kB / 1.02 GB, free: 1.211 MB / 0.92 GB Notification: Performance of SimCode: time 6.31e-07/0.0383, allocations: 0 / 1.02 GB, free: 1.211 MB / 0.92 GB Notification: Performance of Templates: time 0.01302/0.05132, allocations: 5.302 MB / 1.025 GB, free: 12.05 MB / 0.9356 GB " [Timeout remaining time 300] make -j1 -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe ; mkfifo Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe ; head -c 1048576 < Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe >> ../files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.sim & ./Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_FanSpe_VOut_flow.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.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: 8.702139660716057]