Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput.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 0.0008477/0.0008477, allocations: 80.44 kB / 19.17 MB, free: 0.7422 MB / 13.93 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 0.0008358/0.0008358, allocations: 165.9 kB / 22.45 MB, free: 2.105 MB / 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 0.8949/0.8949, allocations: 177.1 MB / 202.8 MB, free: 5.727 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.654/1.654, allocations: 359 MB / 0.6037 GB, free: 11.1 MB / 0.573 GB " [Timeout remaining time 178] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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.Utilities.Plotters.Validation.PlotterActivationGlobalInput,fileNamePrefix="Buildings_11_Buildings_Utilities_Plotters_Validation_PlotterActivationGlobalInput",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput,fileNamePrefix="Buildings_11_Buildings_Utilities_Plotters_Validation_PlotterActivationGlobalInput",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.275e-06/2.275e-06, allocations: 4 kB / 0.9505 GB, free: 3.535 MB / 0.9011 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.035e-05/1.263e-05, allocations: 2.281 kB / 0.9505 GB, free: 3.531 MB / 0.9011 GB Notification: Performance of NFInst.instantiate(Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput): time 0.002023/0.002036, allocations: 1.728 MB / 0.9521 GB, free: 1.785 MB / 0.9011 GB Notification: Performance of NFInst.instExpressions: time 0.001076/0.003112, allocations: 0.9121 MB / 0.953 GB, free: 0.8711 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 6.809e-05/0.00318, allocations: 11.88 kB / 0.9531 GB, free: 0.8594 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.0001564/0.003336, allocations: 19.73 kB / 0.9531 GB, free: 0.8398 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.0003009/0.003637, allocations: 131.2 kB / 0.9532 GB, free: 0.7109 MB / 0.9011 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002436/0.003881, allocations: 158.2 kB / 0.9533 GB, free: 0.5586 MB / 0.9011 GB Notification: Performance of NFFlatten.flatten: time 0.0002052/0.004086, allocations: 247.3 kB / 0.9536 GB, free: 324 kB / 0.9011 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001096/0.004196, allocations: 25.78 kB / 0.9536 GB, free: 296 kB / 0.9011 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000127/0.004323, allocations: 143.7 kB / 0.9537 GB, free: 152 kB / 0.9011 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004982/0.009305, allocations: 1.685 MB / 0.9554 GB, free: 14.91 MB / 0.9167 GB Notification: Performance of NFPackage.collectConstants: time 3.847e-05/0.009343, allocations: 16 kB / 0.9554 GB, free: 14.89 MB / 0.9167 GB Notification: Performance of NFFlatten.collectFunctions: time 7.674e-05/0.00942, allocations: 43.92 kB / 0.9554 GB, free: 14.85 MB / 0.9167 GB Notification: Performance of NFScalarize.scalarize: time 5.452e-05/0.009475, allocations: 35.84 kB / 0.9555 GB, free: 14.81 MB / 0.9167 GB Notification: Performance of NFVerifyModel.verify: time 7.473e-05/0.009549, allocations: 79.78 kB / 0.9556 GB, free: 14.73 MB / 0.9167 GB Notification: Performance of NFConvertDAE.convert: time 0.0002861/0.009835, allocations: 239.3 kB / 0.9558 GB, free: 14.5 MB / 0.9167 GB Notification: Performance of FrontEnd - DAE generated: time 2.234e-06/0.009838, allocations: 0 / 0.9558 GB, free: 14.5 MB / 0.9167 GB Notification: Performance of FrontEnd: time 8.22e-07/0.009839, allocations: 3.938 kB / 0.9558 GB, free: 14.5 MB / 0.9167 GB Notification: Performance of Transformations before backend: time 4.138e-06/0.009843, allocations: 0 / 0.9558 GB, free: 14.5 MB / 0.9167 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 19 * Number of variables: 19 Notification: Performance of Generate backend data structure: time 0.0005767/0.01042, allocations: 488.7 kB / 0.9563 GB, free: 13.98 MB / 0.9167 GB Notification: Performance of prepare preOptimizeDAE: time 3.476e-05/0.01045, allocations: 12.03 kB / 0.9563 GB, free: 13.96 MB / 0.9167 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 3.143e-05/0.01049, allocations: 42.73 kB / 0.9563 GB, free: 13.91 MB / 0.9167 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 4.618e-05/0.01053, allocations: 20.84 kB / 0.9563 GB, free: 13.89 MB / 0.9167 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002088/0.01074, allocations: 177.5 kB / 0.9565 GB, free: 13.7 MB / 0.9167 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.61e-05/0.01076, allocations: 20.11 kB / 0.9565 GB, free: 13.68 MB / 0.9167 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.876e-05/0.01078, allocations: 8 kB / 0.9565 GB, free: 13.67 MB / 0.9167 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001334/0.01091, allocations: 89.66 kB / 0.9566 GB, free: 13.57 MB / 0.9167 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.893e-06/0.01092, allocations: 0 / 0.9566 GB, free: 13.57 MB / 0.9167 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.978e-06/0.01093, allocations: 4 kB / 0.9566 GB, free: 13.57 MB / 0.9167 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.939e-06/0.01093, allocations: 4 kB / 0.9566 GB, free: 13.57 MB / 0.9167 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 8.446e-05/0.01101, allocations: 55.86 kB / 0.9567 GB, free: 13.51 MB / 0.9167 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0005111/0.01153, allocations: 407.6 kB / 0.9571 GB, free: 13.07 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002564/0.01178, allocations: 122.7 kB / 0.9572 GB, free: 12.94 MB / 0.9167 GB Notification: Performance of preOpt resolveLoops (simulation): time 4.104e-05/0.01182, allocations: 32.84 kB / 0.9572 GB, free: 12.91 MB / 0.9167 GB Notification: Performance of preOpt evalFunc (simulation): time 1.476e-05/0.01184, allocations: 0 / 0.9572 GB, free: 12.91 MB / 0.9167 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001389/0.01198, allocations: 114.4 kB / 0.9573 GB, free: 12.79 MB / 0.9167 GB Notification: Performance of pre-optimization done (n=16): time 1.112e-06/0.01198, allocations: 0 / 0.9573 GB, free: 12.79 MB / 0.9167 GB Notification: Performance of matching and sorting (n=16): time 0.0002734/0.01225, allocations: 173.4 kB / 0.9575 GB, free: 12.61 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.478e-05/0.01229, allocations: 55.41 kB / 0.9575 GB, free: 12.54 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001333/0.01242, allocations: 204.4 kB / 0.9577 GB, free: 12.33 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 2.36e-05/0.01244, allocations: 33.7 kB / 0.9578 GB, free: 12.29 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 7.327e-05/0.01252, allocations: 124.5 kB / 0.9579 GB, free: 12.17 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 2.348e-05/0.01254, allocations: 31.8 kB / 0.9579 GB, free: 12.14 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.08e-05/0.0126, allocations: 53.69 kB / 0.958 GB, free: 12.08 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 7.691e-05/0.01268, allocations: 330.8 kB / 0.9583 GB, free: 11.75 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 4.352e-05/0.01272, allocations: 35.98 kB / 0.9583 GB, free: 11.71 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002139/0.01294, allocations: 236.7 kB / 0.9585 GB, free: 11.43 MB / 0.9167 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001041/0.01304, allocations: 103.3 kB / 0.9586 GB, free: 11.32 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.467e-06/0.01304, allocations: 3.938 kB / 0.9586 GB, free: 11.31 MB / 0.9167 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.000163/0.01321, allocations: 157.3 kB / 0.9588 GB, free: 11.15 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 1.221e-05/0.01322, allocations: 8.125 kB / 0.9588 GB, free: 11.14 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.823e-06/0.01322, allocations: 7.984 kB / 0.9588 GB, free: 11.14 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.208e-05/0.01324, allocations: 48 / 0.9588 GB, free: 11.14 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.576e-05/0.01328, allocations: 23.92 kB / 0.9588 GB, free: 11.11 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.472e-06/0.01329, allocations: 4 kB / 0.9588 GB, free: 11.11 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001041/0.01339, allocations: 23.88 kB / 0.9589 GB, free: 11.09 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.925e-06/0.0134, allocations: 8 kB / 0.9589 GB, free: 11.08 MB / 0.9167 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 19 ($whenCondition3,booPul.pulseStart,$PRE.booPul.pulseStart,booPul.y,scaDel.sampleTrigger,scaDel.tActivateLast,$PRE.scaDel.tActivateLast,scaDel.active,sca.sampleTrigger,sca.tActivateLast,$PRE.sca.tActivateLast,sca.active,plotConfiguration.tActivateLast,$PRE.plotConfiguration.tActivateLast,plotConfiguration.active,$whenCondition1,$whenCondition2,$whenCondition4,$whenCondition5) * 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 9.505e-05/0.0135, allocations: 147.6 kB / 0.959 GB, free: 10.93 MB / 0.9167 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.653e-05/0.01351, allocations: 15.91 kB / 0.959 GB, free: 10.91 MB / 0.9167 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.359e-05/0.01355, allocations: 29.8 kB / 0.959 GB, free: 10.88 MB / 0.9167 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.996e-06/0.01355, allocations: 4 kB / 0.959 GB, free: 10.88 MB / 0.9167 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.399e-06/0.01355, allocations: 0 / 0.959 GB, free: 10.88 MB / 0.9167 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.707e-06/0.01356, allocations: 0 / 0.959 GB, free: 10.88 MB / 0.9167 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004068/0.01396, allocations: 453.2 kB / 0.9595 GB, free: 10.38 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.333e-06/0.01397, allocations: 0 / 0.9595 GB, free: 10.38 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.22e-05/0.01398, allocations: 8 kB / 0.9595 GB, free: 10.38 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.683e-06/0.01398, allocations: 0 / 0.9595 GB, free: 10.38 MB / 0.9167 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.706e-06/0.01399, allocations: 3.984 kB / 0.9595 GB, free: 10.37 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.253e-06/0.01399, allocations: 4 kB / 0.9595 GB, free: 10.37 MB / 0.9167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.12e-07/0.01399, allocations: 4 kB / 0.9595 GB, free: 10.36 MB / 0.9167 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001509/0.01414, allocations: 234.2 kB / 0.9597 GB, free: 10.12 MB / 0.9167 GB Notification: Performance of postOpt removeConstants (simulation): time 1.761e-05/0.01416, allocations: 15.84 kB / 0.9597 GB, free: 10.11 MB / 0.9167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.622e-05/0.01417, allocations: 4 kB / 0.9597 GB, free: 10.1 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 5.993e-05/0.01423, allocations: 11.98 kB / 0.9598 GB, free: 10.09 MB / 0.9167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.879e-05/0.01429, allocations: 23.91 kB / 0.9598 GB, free: 10.07 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.236e-05/0.01432, allocations: 15.98 kB / 0.9598 GB, free: 10.05 MB / 0.9167 GB Notification: Performance of sorting global known variables: time 8.761e-05/0.0144, allocations: 139 kB / 0.9599 GB, free: 9.914 MB / 0.9167 GB Notification: Performance of sort global known variables: time 9e-08/0.0144, allocations: 0 / 0.9599 GB, free: 9.914 MB / 0.9167 GB Notification: Performance of remove unused functions: time 0.0002113/0.01462, allocations: 51.95 kB / 0.96 GB, free: 9.863 MB / 0.9167 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 15 (scaDel.sampleTrigger,sca.sampleTrigger,plotConfiguration.active,booPul.y,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,plotConfiguration.tActivateLast,sca.active,sca.tActivateLast,scaDel.active,scaDel.tActivateLast,booPul.pulseStart) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (16): * Single equations (assignments): 12 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * 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 0.0005176/0.01513, allocations: 0.8322 MB / 0.9608 GB, free: 9.031 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.0001716/0.0153, allocations: 95.91 kB / 0.9609 GB, free: 8.938 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 1.633e-06/0.01531, allocations: 0 / 0.9609 GB, free: 8.938 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 6.475e-05/0.01537, allocations: 47.58 kB / 0.9609 GB, free: 8.895 MB / 0.9167 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00027/0.01564, allocations: 67.31 kB / 0.961 GB, free: 8.832 MB / 0.9167 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001522/0.01716, allocations: 1.923 MB / 0.9629 GB, free: 6.797 MB / 0.9167 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 6.897e-05/0.01723, allocations: 112.2 kB / 0.963 GB, free: 6.664 MB / 0.9167 GB Notification: Performance of simCode: alias equations: time 6.085e-05/0.01729, allocations: 17.64 kB / 0.963 GB, free: 6.648 MB / 0.9167 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.073e-05/0.01737, allocations: 64.47 kB / 0.9631 GB, free: 6.586 MB / 0.9167 GB Notification: Performance of SimCode: time 6.01e-07/0.01737, allocations: 0 / 0.9631 GB, free: 6.586 MB / 0.9167 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0187/0.03608, allocations: 6.599 MB / 0.9695 GB, free: 200 kB / 0.9167 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.301/7.337, allocations: 0.8125 kB / 0.9695 GB, free: 200 kB / 0.9167 GB " [Timeout remaining time 293] (rm -f Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput.pipe ; mkfifo Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput.pipe ; head -c 1048576 < Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput.pipe >> ../files/Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv --start-time 0 --stop-time 10 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.004 Buildings_11_Buildings_Utilities_Plotters_Validation_PlotterActivationGlobalInput.fmu > Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Utilities_Plotters_Validation_PlotterActivationGlobalInput.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable plotConfiguration.active in file Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv. Warning: Get data of variable plotConfiguration.active from file Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv failed! Error: Could not read variable sca.active in file Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv. Warning: Get data of variable sca.active from file Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv failed! Error: Could not read variable scaDel.active in file Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv. Warning: Get data of variable scaDel.active from file Buildings_11_Buildings.Utilities.Plotters.Validation.PlotterActivationGlobalInput_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 11.371918002143502]