Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001914/0.001914, allocations: 105.6 kB / 16.45 MB, free: 6.445 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002142/0.002142, allocations: 187.7 kB / 19.4 MB, free: 3.66 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.522/1.522, allocations: 225.6 MB / 247.8 MB, free: 3.746 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.931/2.931, allocations: 476.7 MB / 0.7611 GB, free: 15.66 MB / 0.6075 GB " [Timeout remaining time 176] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_11_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_11_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002024/0.002024, allocations: 67.91 kB / 1.104 GB, free: 6.477 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.11/1.112, allocations: 168.7 MB / 1.269 GB, free: 7.605 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow): time 0.002498/1.114, allocations: 1.139 MB / 1.27 GB, free: 6.949 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.001445/1.116, allocations: 1.023 MB / 1.271 GB, free: 6.176 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001394/1.116, allocations: 3.531 kB / 1.271 GB, free: 6.176 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 8.18e-05/1.116, allocations: 24.98 kB / 1.271 GB, free: 6.156 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.0001446/1.116, allocations: 40.61 kB / 1.271 GB, free: 6.125 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002718/1.116, allocations: 81.19 kB / 1.271 GB, free: 6.078 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.0003066/1.117, allocations: 226.2 kB / 1.271 GB, free: 5.961 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002589/1.117, allocations: 97.31 kB / 1.271 GB, free: 5.906 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002057/1.117, allocations: 94.14 kB / 1.271 GB, free: 5.852 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001473/1.117, allocations: 104.5 kB / 1.272 GB, free: 5.789 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 5.418e-05/1.117, allocations: 28.59 kB / 1.272 GB, free: 5.785 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 4.796e-05/1.117, allocations: 24.25 kB / 1.272 GB, free: 5.785 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 5.484e-05/1.118, allocations: 50.86 kB / 1.272 GB, free: 5.75 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.0001022/1.118, allocations: 104.3 kB / 1.272 GB, free: 5.676 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.0005175/1.118, allocations: 310.3 kB / 1.272 GB, free: 5.559 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 4.258e-06/1.118, allocations: 0 / 1.272 GB, free: 5.559 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.543e-06/1.118, allocations: 0 / 1.272 GB, free: 5.559 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 7.334e-06/1.118, allocations: 0 / 1.272 GB, free: 5.559 MB / 0.9981 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 0.0007319/1.119, allocations: 0.4951 MB / 1.273 GB, free: 5.102 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.618e-05/1.119, allocations: 13.5 kB / 1.273 GB, free: 5.098 MB / 0.9981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.981e-05/1.119, allocations: 63.03 kB / 1.273 GB, free: 5.039 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.395e-05/1.119, allocations: 24.27 kB / 1.273 GB, free: 5.027 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004462/1.119, allocations: 288.5 kB / 1.273 GB, free: 4.777 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.748e-05/1.12, allocations: 21.61 kB / 1.273 GB, free: 4.766 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.313e-05/1.12, allocations: 22.5 kB / 1.273 GB, free: 4.758 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004018/1.12, allocations: 197.8 kB / 1.273 GB, free: 4.664 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.127e-05/1.12, allocations: 3.938 kB / 1.273 GB, free: 4.66 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.024e-05/1.12, allocations: 10.12 kB / 1.273 GB, free: 4.652 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.137e-06/1.12, allocations: 4.812 kB / 1.273 GB, free: 4.652 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003988/1.12, allocations: 156.8 kB / 1.273 GB, free: 4.609 MB / 0.9981 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007969/1.121, allocations: 0.5844 MB / 1.274 GB, free: 4.184 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003586/1.122, allocations: 149.2 kB / 1.274 GB, free: 4.117 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001812/1.122, allocations: 60.81 kB / 1.274 GB, free: 4.094 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 2.452e-05/1.122, allocations: 1.969 kB / 1.274 GB, free: 4.094 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.065e-05/1.122, allocations: 40.75 kB / 1.274 GB, free: 4.047 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=17): time 1.392e-06/1.122, allocations: 0 / 1.274 GB, free: 4.047 MB / 0.9981 GB Notification: Performance of matching and sorting (n=17): time 0.000639/1.122, allocations: 216.3 kB / 1.274 GB, free: 3.957 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.554e-05/1.122, allocations: 53.97 kB / 1.274 GB, free: 3.895 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001545/1.123, allocations: 181.7 kB / 1.275 GB, free: 3.762 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 1.646e-05/1.123, allocations: 31.84 kB / 1.275 GB, free: 3.727 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 7.319e-05/1.123, allocations: 148.5 kB / 1.275 GB, free: 3.59 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 3.657e-05/1.123, allocations: 44.75 kB / 1.275 GB, free: 3.555 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.691e-05/1.123, allocations: 52.92 kB / 1.275 GB, free: 3.523 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 5.768e-05/1.123, allocations: 324.1 kB / 1.275 GB, free: 3.207 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001662/1.123, allocations: 55.38 kB / 1.275 GB, free: 3.191 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001906/1.123, allocations: 107.7 kB / 1.275 GB, free: 3.117 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003146/1.124, allocations: 144.7 kB / 1.275 GB, free: 3.031 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.957e-06/1.124, allocations: 5.156 kB / 1.275 GB, free: 3.027 MB / 0.9981 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0004088/1.124, allocations: 192 kB / 1.276 GB, free: 2.945 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 2.002e-05/1.124, allocations: 6.125 kB / 1.276 GB, free: 2.945 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.516e-06/1.124, allocations: 1.375 kB / 1.276 GB, free: 2.945 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.991e-05/1.124, allocations: 7.328 kB / 1.276 GB, free: 2.941 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002/1.124, allocations: 37.12 kB / 1.276 GB, free: 2.934 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.484e-06/1.124, allocations: 3.922 kB / 1.276 GB, free: 2.934 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001103/1.124, allocations: 23.47 kB / 1.276 GB, free: 2.922 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.625e-05/1.124, allocations: 9.562 kB / 1.276 GB, free: 2.918 MB / 0.9981 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 0.0001638/1.124, allocations: 148.9 kB / 1.276 GB, free: 2.777 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.868e-05/1.125, allocations: 23.92 kB / 1.276 GB, free: 2.762 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.905e-05/1.125, allocations: 18.66 kB / 1.276 GB, free: 2.746 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.609e-06/1.125, allocations: 7.25 kB / 1.276 GB, free: 2.742 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.36e-06/1.125, allocations: 0 / 1.276 GB, free: 2.742 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.459e-06/1.125, allocations: 0.9688 kB / 1.276 GB, free: 2.742 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000275/1.125, allocations: 273.5 kB / 1.276 GB, free: 2.504 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.595e-06/1.125, allocations: 0.8438 kB / 1.276 GB, free: 2.504 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001283/1.125, allocations: 21.69 kB / 1.276 GB, free: 2.504 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.256e-06/1.125, allocations: 0.7812 kB / 1.276 GB, free: 2.504 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.386e-05/1.125, allocations: 5.812 kB / 1.276 GB, free: 2.5 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.787e-06/1.125, allocations: 12.47 kB / 1.276 GB, free: 2.492 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.512e-06/1.125, allocations: 0.7188 kB / 1.276 GB, free: 2.492 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004072/1.125, allocations: 259 kB / 1.276 GB, free: 2.316 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 4.061e-05/1.125, allocations: 96.58 kB / 1.276 GB, free: 2.207 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.459e-05/1.125, allocations: 1.938 kB / 1.276 GB, free: 2.207 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001149/1.126, allocations: 16.14 kB / 1.277 GB, free: 2.199 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.42e-05/1.126, allocations: 19.2 kB / 1.277 GB, free: 2.195 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.131e-05/1.126, allocations: 6 kB / 1.277 GB, free: 2.195 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 7.929e-05/1.126, allocations: 120.2 kB / 1.277 GB, free: 2.105 MB / 0.9981 GB Notification: Performance of sort global known variables: time 8.1e-08/1.126, allocations: 1 kB / 1.277 GB, free: 2.105 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.0002908/1.126, allocations: 45.34 kB / 1.277 GB, free: 2.086 MB / 0.9981 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 0.0006345/1.127, allocations: 0.8074 MB / 1.277 GB, free: 1.375 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.0004303/1.127, allocations: 144 kB / 1.278 GB, free: 1.336 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 2.344e-06/1.127, allocations: 4 kB / 1.278 GB, free: 1.332 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.0001814/1.127, allocations: 79.41 kB / 1.278 GB, free: 1.312 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003135/1.128, allocations: 15.06 kB / 1.278 GB, free: 1.305 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002412/1.13, allocations: 1.98 MB / 1.28 GB, free: 15.76 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004094/1.13, allocations: 0.7316 MB / 1.28 GB, free: 15.06 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.0001081/1.131, allocations: 25.59 kB / 1.28 GB, free: 15.05 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001012/1.131, allocations: 62.33 kB / 1.28 GB, free: 15.01 MB / 1.014 GB Notification: Performance of SimCode: time 8.42e-07/1.131, allocations: 0.75 kB / 1.28 GB, free: 15.01 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02826/1.159, allocations: 3.29 MB / 1.284 GB, free: 14.54 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.581/9.74, allocations: 10.73 kB / 1.284 GB, free: 14.54 MB / 1.014 GB " [Timeout remaining time 290] (rm -f Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow_res.mat --tempDir=temp_Buildings_11_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow.fmu > Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_11_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: 16.082422595936805]