Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.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 0.001349/0.001349, allocations: 110.6 kB / 18.94 MB, free: 2.949 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 0.001675/0.001675, allocations: 220.3 kB / 22.26 MB, free: 5.125 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 1.55/1.55, allocations: 230.6 MB / 256 MB, free: 7.961 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.375/3.375, allocations: 0.49 GB / 0.7951 GB, free: 33.5 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-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: "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002102/0.002102, allocations: 67.17 kB / 1.154 GB, free: 25.7 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3588/0.3609, allocations: 176.1 MB / 1.326 GB, free: 1.941 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow): time 0.002926/0.3638, allocations: 1.146 MB / 1.327 GB, free: 0.8047 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.001635/0.3655, allocations: 1.073 MB / 1.328 GB, free: 15.72 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001686/0.3656, allocations: 4 kB / 1.328 GB, free: 15.71 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 8.544e-05/0.3657, allocations: 23.67 kB / 1.328 GB, free: 15.69 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0001584/0.3659, allocations: 35.66 kB / 1.328 GB, free: 15.66 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.0003302/0.3662, allocations: 91.86 kB / 1.328 GB, free: 15.57 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0003189/0.3665, allocations: 228.2 kB / 1.328 GB, free: 15.34 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002765/0.3668, allocations: 92.61 kB / 1.329 GB, free: 15.25 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002827/0.3671, allocations: 99.62 kB / 1.329 GB, free: 15.15 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001653/0.3673, allocations: 103.5 kB / 1.329 GB, free: 15.05 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 4.365e-05/0.3673, allocations: 24 kB / 1.329 GB, free: 15.02 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 7.883e-05/0.3674, allocations: 28 kB / 1.329 GB, free: 15 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 5.483e-05/0.3674, allocations: 51.83 kB / 1.329 GB, free: 14.95 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.0001104/0.3675, allocations: 107.5 kB / 1.329 GB, free: 14.84 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0004534/0.368, allocations: 314.8 kB / 1.329 GB, free: 14.53 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 5.601e-06/0.368, allocations: 4 kB / 1.329 GB, free: 14.53 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.513e-06/0.368, allocations: 0 / 1.329 GB, free: 14.53 MB / 1.029 GB Notification: Performance of Transformations before backend: time 7.033e-06/0.368, allocations: 0 / 1.329 GB, free: 14.53 MB / 1.029 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 0.000857/0.3689, allocations: 429.7 kB / 1.33 GB, free: 14.07 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 5.247e-05/0.3689, allocations: 8.031 kB / 1.33 GB, free: 14.07 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.276e-05/0.369, allocations: 54.73 kB / 1.33 GB, free: 14 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001816/0.3692, allocations: 36.73 kB / 1.33 GB, free: 13.97 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005009/0.3697, allocations: 224.1 kB / 1.33 GB, free: 13.73 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.225e-05/0.3697, allocations: 20.75 kB / 1.33 GB, free: 13.7 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.089e-05/0.3697, allocations: 20.38 kB / 1.33 GB, free: 13.68 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004279/0.3702, allocations: 199.8 kB / 1.33 GB, free: 13.49 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.525e-05/0.3702, allocations: 3.938 kB / 1.33 GB, free: 13.48 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.339e-05/0.3702, allocations: 8 kB / 1.33 GB, free: 13.48 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.806e-06/0.3702, allocations: 8 kB / 1.33 GB, free: 13.47 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004189/0.3706, allocations: 165.6 kB / 1.33 GB, free: 13.3 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0008779/0.3715, allocations: 0.5455 MB / 1.331 GB, free: 12.72 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003708/0.3719, allocations: 160.3 kB / 1.331 GB, free: 12.55 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001729/0.3721, allocations: 60.83 kB / 1.331 GB, free: 12.49 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 2.489e-05/0.3721, allocations: 0 / 1.331 GB, free: 12.49 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.079e-05/0.3721, allocations: 38.56 kB / 1.331 GB, free: 12.45 MB / 1.029 GB Notification: Performance of pre-optimization done (n=17): time 1.022e-06/0.3721, allocations: 0 / 1.331 GB, free: 12.45 MB / 1.029 GB Notification: Performance of matching and sorting (n=17): time 0.0006462/0.3728, allocations: 217.3 kB / 1.331 GB, free: 12.23 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.758e-05/0.3728, allocations: 59.34 kB / 1.331 GB, free: 12.16 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001845/0.373, allocations: 178.7 kB / 1.332 GB, free: 11.97 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 2.647e-05/0.373, allocations: 29.7 kB / 1.332 GB, free: 11.93 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001064/0.3731, allocations: 140.5 kB / 1.332 GB, free: 11.79 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 5.019e-05/0.3732, allocations: 47.64 kB / 1.332 GB, free: 11.75 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.527e-05/0.3733, allocations: 53.69 kB / 1.332 GB, free: 11.69 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001436/0.3734, allocations: 322.8 kB / 1.332 GB, free: 11.36 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001711/0.3736, allocations: 63.89 kB / 1.332 GB, free: 11.3 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001924/0.3738, allocations: 93.11 kB / 1.332 GB, free: 11.19 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003343/0.3741, allocations: 150.3 kB / 1.332 GB, free: 11.03 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.044e-06/0.3741, allocations: 0 / 1.332 GB, free: 11.03 MB / 1.029 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0004298/0.3745, allocations: 195 kB / 1.333 GB, free: 10.83 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.931e-05/0.3746, allocations: 8 kB / 1.333 GB, free: 10.82 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.76e-06/0.3746, allocations: 0 / 1.333 GB, free: 10.82 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.583e-05/0.3746, allocations: 4 kB / 1.333 GB, free: 10.82 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001841/0.3748, allocations: 35.91 kB / 1.333 GB, free: 10.79 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.378e-06/0.3748, allocations: 4 kB / 1.333 GB, free: 10.78 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001079/0.3749, allocations: 20.05 kB / 1.333 GB, free: 10.76 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.958e-05/0.3749, allocations: 15.98 kB / 1.333 GB, free: 10.75 MB / 1.029 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.warUpMod.y,actAirSet.setBacMod.y,actAirSet.setUpMod.y,actAirSet.cooDowMod.y,actAirSet.occMod.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 0.0002319/0.3751, allocations: 143.3 kB / 1.333 GB, free: 10.6 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.743e-05/0.3752, allocations: 19.91 kB / 1.333 GB, free: 10.58 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.394e-05/0.3752, allocations: 13.81 kB / 1.333 GB, free: 10.57 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.1e-06/0.3752, allocations: 4 kB / 1.333 GB, free: 10.56 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.661e-06/0.3752, allocations: 0 / 1.333 GB, free: 10.56 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.43e-06/0.3752, allocations: 7.984 kB / 1.333 GB, free: 10.55 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003327/0.3756, allocations: 260.4 kB / 1.333 GB, free: 10.26 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.212e-06/0.3756, allocations: 0 / 1.333 GB, free: 10.26 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001304/0.3757, allocations: 27.92 kB / 1.333 GB, free: 10.23 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.307e-06/0.3757, allocations: 0 / 1.333 GB, free: 10.23 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.663e-05/0.3757, allocations: 8 kB / 1.333 GB, free: 10.22 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.773e-06/0.3757, allocations: 0 / 1.333 GB, free: 10.22 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.086e-06/0.3757, allocations: 3.984 kB / 1.333 GB, free: 10.22 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004508/0.3762, allocations: 260.6 kB / 1.333 GB, free: 9.949 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 2.745e-05/0.3762, allocations: 19.84 kB / 1.333 GB, free: 9.93 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.25e-05/0.3762, allocations: 0 / 1.333 GB, free: 9.93 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001202/0.3764, allocations: 15.98 kB / 1.333 GB, free: 9.914 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.656e-05/0.3764, allocations: 19.97 kB / 1.333 GB, free: 9.895 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.069e-05/0.3764, allocations: 3.984 kB / 1.333 GB, free: 9.891 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.0001058/0.3765, allocations: 119.2 kB / 1.334 GB, free: 9.773 MB / 1.029 GB Notification: Performance of sort global known variables: time 9e-08/0.3765, allocations: 7.938 kB / 1.334 GB, free: 9.766 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.0002881/0.3768, allocations: 43.89 kB / 1.334 GB, free: 9.723 MB / 1.029 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 0.000815/0.3777, allocations: 0.805 MB / 1.334 GB, free: 8.891 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.000414/0.3781, allocations: 141.6 kB / 1.335 GB, free: 8.754 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 1.393e-06/0.3781, allocations: 3.938 kB / 1.335 GB, free: 8.75 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0001876/0.3783, allocations: 75.89 kB / 1.335 GB, free: 8.676 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003147/0.3786, allocations: 24.3 kB / 1.335 GB, free: 8.652 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002741/0.3813, allocations: 1.978 MB / 1.337 GB, free: 6.559 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003657/0.3817, allocations: 0.732 MB / 1.337 GB, free: 5.801 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 0.0001048/0.3818, allocations: 25.47 kB / 1.337 GB, free: 5.773 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001101/0.3819, allocations: 59.42 kB / 1.337 GB, free: 5.719 MB / 1.029 GB Notification: Performance of SimCode: time 4.11e-07/0.3819, allocations: 0 / 1.337 GB, free: 5.719 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03239/0.4143, allocations: 3.435 MB / 1.341 GB, free: 2.469 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.5/11.92, allocations: 12.16 kB / 1.341 GB, free: 2.461 MB / 1.029 GB " [Timeout remaining time 288] (rm -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow_res.mat --tempDir=temp_Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow.fmu > Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.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: 19.093539857072756]