Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.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 0.001313/0.001313, allocations: 81.86 kB / 20.68 MB, free: 3.816 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 0.001488/0.001488, allocations: 185 kB / 24.09 MB, free: 416 kB / 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 0.9585/0.9585, allocations: 177.1 MB / 204.5 MB, free: 5.48 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 1.904/1.904, allocations: 377.9 MB / 0.624 GB, free: 8.387 MB / 0.5886 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.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.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|actAirSet.uOpeMod|actAirSet.VCooMax_flow|actAirSet.VOccMin_flow|actAirSet.VActCooMax_flow|actAirSet.VActMin_flow|actAirSet.VActHeaMax_flow",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow") translateModel(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|actAirSet.uOpeMod|actAirSet.VCooMax_flow|actAirSet.VOccMin_flow|actAirSet.VActCooMax_flow|actAirSet.VActMin_flow|actAirSet.VActHeaMax_flow",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.733e-06/1.733e-06, allocations: 0 / 0.812 GB, free: 1.406 MB / 0.7605 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.833e-05/2.007e-05, allocations: 8.922 kB / 0.812 GB, free: 1.398 MB / 0.7605 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow): time 0.00547/0.00549, allocations: 1.106 MB / 0.8131 GB, free: 316 kB / 0.7605 GB Notification: Performance of NFInst.instExpressions: time 0.001233/0.006723, allocations: 1.07 MB / 0.8142 GB, free: 15.23 MB / 0.7761 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000111/0.006834, allocations: 4.688 kB / 0.8142 GB, free: 15.22 MB / 0.7761 GB Notification: Performance of NFTyping.typeComponents: time 5.745e-05/0.006891, allocations: 23.67 kB / 0.8142 GB, free: 15.2 MB / 0.7761 GB Notification: Performance of NFTyping.typeBindings: time 0.0001348/0.007026, allocations: 40.5 kB / 0.8142 GB, free: 15.16 MB / 0.7761 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002639/0.00729, allocations: 88.5 kB / 0.8143 GB, free: 15.07 MB / 0.7761 GB Notification: Performance of NFFlatten.flatten: time 0.00021/0.0075, allocations: 225.2 kB / 0.8145 GB, free: 14.86 MB / 0.7761 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001837/0.007684, allocations: 96.58 kB / 0.8146 GB, free: 14.76 MB / 0.7761 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002814/0.007965, allocations: 156.1 kB / 0.8148 GB, free: 14.61 MB / 0.7761 GB Notification: Performance of NFSimplifyModel.simplify: time 8.634e-05/0.008051, allocations: 59.8 kB / 0.8148 GB, free: 14.55 MB / 0.7761 GB Notification: Performance of NFPackage.collectConstants: time 3.197e-05/0.008083, allocations: 21.16 kB / 0.8149 GB, free: 14.53 MB / 0.7761 GB Notification: Performance of NFFlatten.collectFunctions: time 5.672e-05/0.00814, allocations: 27.98 kB / 0.8149 GB, free: 14.5 MB / 0.7761 GB Notification: Performance of NFScalarize.scalarize: time 3.503e-05/0.008175, allocations: 47.83 kB / 0.8149 GB, free: 14.46 MB / 0.7761 GB Notification: Performance of NFVerifyModel.verify: time 5.184e-05/0.008227, allocations: 64.64 kB / 0.815 GB, free: 14.39 MB / 0.7761 GB Notification: Performance of NFConvertDAE.convert: time 0.003226/0.01145, allocations: 155.3 kB / 0.8151 GB, free: 14.24 MB / 0.7761 GB Notification: Performance of FrontEnd - DAE generated: time 2.004e-06/0.01145, allocations: 1.188 kB / 0.8151 GB, free: 14.24 MB / 0.7761 GB Notification: Performance of FrontEnd: time 5.81e-07/0.01146, allocations: 0 / 0.8151 GB, free: 14.24 MB / 0.7761 GB Notification: Performance of Transformations before backend: time 3.957e-06/0.01146, allocations: 0 / 0.8151 GB, free: 14.24 MB / 0.7761 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 52 * Number of variables: 52 Notification: Performance of Generate backend data structure: time 0.0004984/0.01196, allocations: 0.5132 MB / 0.8156 GB, free: 13.69 MB / 0.7761 GB Notification: Performance of prepare preOptimizeDAE: time 3.748e-05/0.012, allocations: 12.03 kB / 0.8157 GB, free: 13.68 MB / 0.7761 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001284/0.01212, allocations: 48.78 kB / 0.8157 GB, free: 13.63 MB / 0.7761 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002054/0.01233, allocations: 204.1 kB / 0.8159 GB, free: 13.41 MB / 0.7761 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.602e-05/0.01236, allocations: 16.88 kB / 0.8159 GB, free: 13.39 MB / 0.7761 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.286e-05/0.01238, allocations: 16.38 kB / 0.8159 GB, free: 13.38 MB / 0.7761 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002187/0.0126, allocations: 154.6 kB / 0.8161 GB, free: 13.22 MB / 0.7761 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.967e-06/0.01261, allocations: 192 / 0.8161 GB, free: 13.22 MB / 0.7761 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.754e-05/0.01262, allocations: 12.38 kB / 0.8161 GB, free: 13.21 MB / 0.7761 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.905e-06/0.01263, allocations: 10.16 kB / 0.8161 GB, free: 13.2 MB / 0.7761 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 9.756e-05/0.01273, allocations: 63.38 kB / 0.8162 GB, free: 13.14 MB / 0.7761 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.000547/0.01328, allocations: 499.4 kB / 0.8166 GB, free: 12.62 MB / 0.7761 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001568/0.01343, allocations: 104.5 kB / 0.8167 GB, free: 12.51 MB / 0.7761 GB Notification: Performance of preOpt resolveLoops (simulation): time 4.104e-05/0.01347, allocations: 35.61 kB / 0.8168 GB, free: 12.47 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 1.88e-05/0.01349, allocations: 7.906 kB / 0.8168 GB, free: 12.46 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.143e-05/0.01351, allocations: 34.7 kB / 0.8168 GB, free: 12.42 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=17): time 1.052e-06/0.01351, allocations: 0 / 0.8168 GB, free: 12.42 MB / 0.7761 GB Notification: Performance of matching and sorting (n=17): time 0.0002179/0.01373, allocations: 122.2 kB / 0.8169 GB, free: 12.29 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.69e-05/0.01376, allocations: 55.41 kB / 0.817 GB, free: 12.23 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001347/0.01389, allocations: 230.8 kB / 0.8172 GB, free: 11.98 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 1.381e-05/0.01391, allocations: 25.7 kB / 0.8172 GB, free: 11.95 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 8.807e-05/0.014, allocations: 201.1 kB / 0.8174 GB, free: 11.75 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 3.659e-05/0.01403, allocations: 47.62 kB / 0.8175 GB, free: 11.71 MB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.75e-05/0.0141, allocations: 55.28 kB / 0.8175 GB, free: 11.64 MB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 0.003325/0.01743, allocations: 0.5039 MB / 0.818 GB, free: 11.13 MB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization): time 4.352e-05/0.01747, allocations: 19.98 kB / 0.818 GB, free: 11.11 MB / 0.7761 GB Notification: Performance of partitionIndependentBlocks (initialization): time 7.09e-05/0.01754, allocations: 80.22 kB / 0.8181 GB, free: 11.01 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001118/0.01765, allocations: 109.5 kB / 0.8182 GB, free: 10.88 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.184e-06/0.01765, allocations: 0.625 kB / 0.8182 GB, free: 10.88 MB / 0.7761 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0001823/0.01784, allocations: 135.8 kB / 0.8183 GB, free: 10.74 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 1.453e-05/0.01785, allocations: 6.344 kB / 0.8183 GB, free: 10.74 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.845e-06/0.01786, allocations: 4.719 kB / 0.8183 GB, free: 10.73 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.255e-05/0.01787, allocations: 0 / 0.8183 GB, free: 10.73 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001134/0.01798, allocations: 40.67 kB / 0.8184 GB, free: 10.7 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.471e-06/0.01799, allocations: 3.984 kB / 0.8184 GB, free: 10.69 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 6.172e-05/0.01805, allocations: 16.83 kB / 0.8184 GB, free: 10.68 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.152e-05/0.01806, allocations: 8 kB / 0.8184 GB, free: 10.67 MB / 0.7761 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 15 (reaToInt2.y,actAirSet.or4.y,actAirSet.or2.y,actAirSet.or1.y,actAirSet.ifSetBac.y,actAirSet.ifWarUp.y,actAirSet.ifSetUp.y,actAirSet.ifCooDow.y,actAirSet.ifOcc.y,actAirSet.or3.y,actAirSet.occMod.y,actAirSet.cooDowMod.y,actAirSet.setUpMod.y,actAirSet.setBacMod.y,actAirSet.warUpMod.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (22): * Single equations (assignments): 22 * 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 0.0001064/0.01817, allocations: 178.4 kB / 0.8186 GB, free: 10.48 MB / 0.7761 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.51e-05/0.0182, allocations: 19.91 kB / 0.8186 GB, free: 10.46 MB / 0.7761 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.766e-05/0.01824, allocations: 22.77 kB / 0.8186 GB, free: 10.45 MB / 0.7761 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.597e-06/0.01825, allocations: 4 kB / 0.8186 GB, free: 10.44 MB / 0.7761 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.286e-06/0.01825, allocations: 6.25 kB / 0.8186 GB, free: 10.44 MB / 0.7761 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.266e-06/0.01825, allocations: 0 / 0.8186 GB, free: 10.44 MB / 0.7761 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001937/0.01845, allocations: 161.1 kB / 0.8188 GB, free: 10.25 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.553e-06/0.01845, allocations: 0 / 0.8188 GB, free: 10.25 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.464e-05/0.01851, allocations: 27.92 kB / 0.8188 GB, free: 10.23 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.244e-06/0.01851, allocations: 0 / 0.8188 GB, free: 10.23 MB / 0.7761 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.807e-06/0.01852, allocations: 7.438 kB / 0.8188 GB, free: 10.22 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.675e-06/0.01853, allocations: 4 kB / 0.8188 GB, free: 10.22 MB / 0.7761 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.052e-06/0.01853, allocations: 0 / 0.8188 GB, free: 10.22 MB / 0.7761 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002064/0.01873, allocations: 255.8 kB / 0.8191 GB, free: 9.949 MB / 0.7761 GB Notification: Performance of postOpt removeConstants (simulation): time 1.464e-05/0.01875, allocations: 15.84 kB / 0.8191 GB, free: 9.934 MB / 0.7761 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.632e-05/0.01876, allocations: 4 kB / 0.8191 GB, free: 9.93 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 6.442e-05/0.01883, allocations: 4 kB / 0.8191 GB, free: 9.926 MB / 0.7761 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.095e-05/0.01889, allocations: 27.86 kB / 0.8191 GB, free: 9.898 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.985e-06/0.0189, allocations: 4 kB / 0.8191 GB, free: 9.895 MB / 0.7761 GB Notification: Performance of sorting global known variables: time 7.613e-05/0.01897, allocations: 169 kB / 0.8193 GB, free: 9.73 MB / 0.7761 GB Notification: Performance of sort global known variables: time 6e-08/0.01897, allocations: 0 / 0.8193 GB, free: 9.73 MB / 0.7761 GB Notification: Performance of remove unused functions: time 0.0002605/0.01923, allocations: 36.39 kB / 0.8193 GB, free: 9.695 MB / 0.7761 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 10 (actAirSet.or3.y,actAirSet.ifOcc.y,actAirSet.ifCooDow.y,actAirSet.ifSetUp.y,actAirSet.ifWarUp.y,actAirSet.ifSetBac.y,actAirSet.or1.y,actAirSet.or2.y,actAirSet.or4.y,reaToInt2.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (17): * Single equations (assignments): 17 * 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 9.972e-05/0.01933, allocations: 109.9 kB / 0.8194 GB, free: 9.582 MB / 0.7761 GB Notification: Performance of simCode: created initialization part: time 0.0001495/0.01948, allocations: 81.14 kB / 0.8195 GB, free: 9.5 MB / 0.7761 GB Notification: Performance of simCode: created event and clocks part: time 1.513e-06/0.01948, allocations: 0.5 kB / 0.8195 GB, free: 9.5 MB / 0.7761 GB Notification: Performance of simCode: created simulation system equations: time 6.19e-05/0.01955, allocations: 52.44 kB / 0.8195 GB, free: 9.445 MB / 0.7761 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002599/0.01981, allocations: 32.95 kB / 0.8196 GB, free: 9.414 MB / 0.7761 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003692/0.0235, allocations: 327.9 kB / 0.8199 GB, free: 9.062 MB / 0.7761 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 5.758e-05/0.02356, allocations: 77.23 kB / 0.82 GB, free: 8.969 MB / 0.7761 GB Notification: Performance of simCode: alias equations: time 9.952e-05/0.02366, allocations: 22.33 kB / 0.82 GB, free: 8.953 MB / 0.7761 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001142/0.02377, allocations: 98.19 kB / 0.8201 GB, free: 8.855 MB / 0.7761 GB Notification: Performance of SimCode: time 8.42e-07/0.02377, allocations: 1.031 kB / 0.8201 GB, free: 8.855 MB / 0.7761 GB Notification: Performance of Templates: time 0.00505/0.02882, allocations: 1.635 MB / 0.8217 GB, free: 7.309 MB / 0.7761 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.sim & ./Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_ActiveAirFlow.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: 5.011361836921424]