Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.Economizers.Subsequences.Limits.Validation.SeparateWithAFMS.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "[:1:22-1:33:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 13743895347 into a real Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0003172/0.0003172, allocations: 0 / 0, free: 0 / 0 " [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 0.0002443/0.0002443, allocations: 0 / 0, free: 0 / 0 " [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 0.1534/0.1534, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo): time 0.3633/0.3633, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] Using package Buildings with version 12.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-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: simulate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.Economizers.Subsequences.Limits.Validation.SeparateWithAFMS,startTime=0,stopTime=1800,tolerance=1e-06,numberOfIntervals=2500,outputFormat="mat",variableFilter="time|disMinCon.VOutMinSet_flow_normalized|disMinCon.VOut_flow_normalized|disMinCon.u1SupFan|disMinCon.uOpeMod|disMinCon.yMinOutDam|disMinCon.yOutDam_min|disMinCon.yOutDam_max|disMinCon.yRetDam_min|disMinCon.yRetDam_max|disMinCon1.VOutMinSet_flow_normalized|disMinCon1.VOut_flow_normalized|disMinCon1.u1SupFan|disMinCon1.uOpeMod|disMinCon1.yMinOutDam|disMinCon1.yOutDam_min|disMinCon1.yOutDam_max|disMinCon1.yRetDam_min|disMinCon1.yRetDam_max|minCon.VOutMinSet_flow_normalized|minCon.VOut_flow_normalized|minCon.u1SupFan|minCon.uOpeMod|minCon.yMinOutDam|minCon.yOutDam_min|minCon.yOutDam_max|minCon.yRetDam_min|minCon.yRetDam_max",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.Economizers.Subsequences.Limits.Validation.SeparateWithAFMS",simflags="-abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS") simulate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.Economizers.Subsequences.Limits.Validation.SeparateWithAFMS,startTime=0,stopTime=1800,tolerance=1e-06,numberOfIntervals=2500,outputFormat="mat",variableFilter="time|disMinCon.VOutMinSet_flow_normalized|disMinCon.VOut_flow_normalized|disMinCon.u1SupFan|disMinCon.uOpeMod|disMinCon.yMinOutDam|disMinCon.yOutDam_min|disMinCon.yOutDam_max|disMinCon.yRetDam_min|disMinCon.yRetDam_max|disMinCon1.VOutMinSet_flow_normalized|disMinCon1.VOut_flow_normalized|disMinCon1.u1SupFan|disMinCon1.uOpeMod|disMinCon1.yMinOutDam|disMinCon1.yOutDam_min|disMinCon1.yOutDam_max|disMinCon1.yRetDam_min|disMinCon1.yRetDam_max|minCon.VOutMinSet_flow_normalized|minCon.VOut_flow_normalized|minCon.u1SupFan|minCon.uOpeMod|minCon.yMinOutDam|minCon.yOutDam_min|minCon.yOutDam_max|minCon.yRetDam_min|minCon.yRetDam_max",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.Economizers.Subsequences.Limits.Validation.SeparateWithAFMS",simflags="-abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS") [Timeout 540] "Notification: Performance of FrontEnd - loaded program: time 1.593e-06/1.593e-06, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 3.186e-05/3.345e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.Economizers.Subsequences.Limits.Validation.SeparateWithAFMS): time 0.005032/0.005065, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.003653/0.008719, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 0.000558/0.009277, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.0004507/0.009727, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.0006767/0.0104, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeClassSections: time 0.001094/0.0115, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.001315/0.01281, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 0.0009133/0.01373, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.001229/0.01496, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.0003702/0.01533, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 0.0001545/0.01548, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 8.986e-05/0.01557, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.0002766/0.01585, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 0.0003551/0.0162, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.001232/0.01743, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 0.0001223/0.01756, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 1.653e-06/0.01756, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 1.782e-05/0.01758, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 450 * Number of variables: 450 Notification: Performance of Generate backend data structure: time 0.001746/0.01932, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 9.594e-05/0.01942, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002/0.01962, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009702/0.02059, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.248e-05/0.02068, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001259/0.02081, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.001141/0.02195, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 3.164e-05/0.02198, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.673e-05/0.02208, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.094e-05/0.0221, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004955/0.02259, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003339/0.02593, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.0005093/0.02644, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 0.0001387/0.02658, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 3.391e-05/0.02661, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003092/0.02692, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=94): time 5.109e-06/0.02693, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=94): time 0.0005396/0.02747, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 3.593e-05/0.0275, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005297/0.02803, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 8.328e-05/0.02812, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 0.0002531/0.02837, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 0.000115/0.02848, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 0.000196/0.02868, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 3.128e-05/0.02871, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001386/0.02885, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002368/0.02909, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.0003689/0.02946, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.805e-06/0.02946, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=174) (initialization): time 0.0006129/0.03008, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 1.801e-05/0.03009, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.046e-05/0.0301, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 2.54e-05/0.03013, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003531/0.03048, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.98e-05/0.03051, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002959/0.03081, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.418e-05/0.03085, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002243/0.03108, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002113/0.03129, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003455/0.03163, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.434e-06/0.03164, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=174) (initialization_lambda0): time 0.0005727/0.03221, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 1.3e-05/0.03223, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.117e-06/0.03224, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 1.379e-05/0.03225, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003282/0.03258, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.995e-05/0.0326, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000261/0.03286, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.228e-05/0.0329, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 56 * Number of states: 0 () * Number of discrete variables: 48 (minCon.intEqu.y,$whenCondition3,minCon.disRetDamMin.y,minCon.enaDis.y,minCon.enaRetDamMin.y,minCon.gre.greHys.y,$PRE.minCon.gre.greHys.y,minCon.greThr.greHys.y,$PRE.minCon.greThr.greHys.y,minCon.les.lesHys.y,$PRE.minCon.les.lesHys.y,$whenCondition1,$whenCondition2,minCon.conInt1.y,fanStatus.y,operationMode.y,disMinCon1.intEqu.y,$whenCondition6,disMinCon1.disRetDamMin.y,disMinCon1.enaDis.y,disMinCon1.enaRetDamMin.y,disMinCon1.gre.greHys.y,$PRE.disMinCon1.gre.greHys.y,disMinCon1.greThr.greHys.y,$PRE.disMinCon1.greThr.greHys.y,disMinCon1.les.lesHys.y,$PRE.disMinCon1.les.lesHys.y,$whenCondition4,$whenCondition5,disMinCon1.conInt1.y,opeMod1.y,fanSta1.y,disMinCon.yEnaMinOut,disMinCon.intEqu.y,disMinCon.disRetDamMin.y,disMinCon.enaDis.y,disMinCon.enaRetDamMin.y,disMinCon.gre.greHys.y,$PRE.disMinCon.gre.greHys.y,disMinCon.greThr.greHys.y,$PRE.disMinCon.greThr.greHys.y,disMinCon.les.lesHys.y,$PRE.disMinCon.les.lesHys.y,$whenCondition7,$whenCondition8,disMinCon.conInt1.y,opeMod.y,fanSta.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (174): * Single equations (assignments): 174 * 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 0.0002134/0.03311, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt lateInlineFunction (simulation): time 6.82e-05/0.03318, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005399/0.03372, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.223e-06/0.03373, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt constantLinearSystem (simulation): time 7.965e-06/0.03374, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.101e-06/0.03374, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001224/0.03497, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.897e-06/0.03497, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002237/0.0352, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (simulation): time 5.329e-06/0.0352, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.926e-05/0.03524, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.582e-06/0.03525, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.164e-06/0.03525, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005701/0.03582, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeConstants (simulation): time 0.0001322/0.03595, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002118/0.03616, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002224/0.03639, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001885/0.03657, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.581e-05/0.03661, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sorting global known variables: time 0.000283/0.03689, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sort global known variables: time 1.883e-05/0.03691, allocations: 0 / 0, free: 0 / 0 Notification: Performance of remove unused functions: time 0.0009081/0.03782, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 3 (minCon.conMinOA.I.y,disMinCon1.conMinOA.I.y,disMinCon.conMinOA.I.y) * Number of discrete variables: 26 (minCon.disRetDamMin.y,minCon.enaRetDamMin.y,$whenCondition3,$whenCondition2,$whenCondition1,minCon.les.lesHys.y,minCon.greThr.greHys.y,minCon.gre.greHys.y,minCon.enaDis.y,disMinCon1.disRetDamMin.y,disMinCon1.enaRetDamMin.y,$whenCondition6,$whenCondition5,$whenCondition4,disMinCon1.les.lesHys.y,disMinCon1.greThr.greHys.y,disMinCon1.gre.greHys.y,disMinCon1.enaDis.y,disMinCon.disRetDamMin.y,disMinCon.enaRetDamMin.y,$whenCondition8,$whenCondition7,disMinCon.les.lesHys.y,disMinCon.greThr.greHys.y,disMinCon.gre.greHys.y,disMinCon.enaDis.y) * Number of discrete states: 9 (disMinCon.les.lesHys.y,disMinCon.gre.greHys.y,disMinCon.greThr.greHys.y,disMinCon1.les.lesHys.y,disMinCon1.gre.greHys.y,disMinCon1.greThr.greHys.y,minCon.les.lesHys.y,minCon.gre.greHys.y,minCon.greThr.greHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (101): * Single equations (assignments): 98 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 3 * 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 0.0002845/0.0381, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created initialization part: time 0.0008506/0.03896, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created event and clocks part: time 2.224e-06/0.03896, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created simulation system equations: time 0.0002009/0.03916, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001252/0.04041, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00181/0.04222, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000169/0.04239, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: alias equations: time 0.0004238/0.04281, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004409/0.04325, allocations: 0 / 0, free: 0 / 0 Notification: Performance of SimCode: time 3.319e-05/0.04329, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Templates: time 0.00417/0.04746, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 540] diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.Economizers.Subsequences.Limits.Validation.SeparateWithAFMS_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_Economizers_Subsequences_Limits_Validation_SeparateWithAFMS.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: 1.246742395684123]