Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.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 0.001394/0.0014, allocations: 112.6 kB / 17.08 MB, free: 5.988 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 0.001414/0.001414, allocations: 193.2 kB / 20.03 MB, free: 3.059 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 1.435/1.435, allocations: 222.9 MB / 245.7 MB, free: 4.211 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.647/2.647, allocations: 437.1 MB / 0.7177 GB, free: 4.543 MB / 0.5606 GB " [Timeout remaining time 177] Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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: translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eff.m_flow|eff.V_flow|eff.dp|eff.y_in|eff.WFlo|eff.PEle|eff.eta|eff.etaHyd|eff.etaMot",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface") translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eff.m_flow|eff.V_flow|eff.dp|eff.y_in|eff.WFlo|eff.PEle|eff.eta|eff.etaHyd|eff.etaMot",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001925/0.001925, allocations: 75.88 kB / 1.028 GB, free: 13.63 MB / 0.7794 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3125/0.3145, allocations: 151.6 MB / 1.176 GB, free: 5.891 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface): time 0.003803/0.3183, allocations: 2.305 MB / 1.178 GB, free: 3.559 MB / 0.92 GB Notification: Performance of NFInst.instExpressions: time 0.006248/0.3246, allocations: 3.784 MB / 1.182 GB, free: 15.76 MB / 0.9356 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003321/0.325, allocations: 7.938 kB / 1.182 GB, free: 15.75 MB / 0.9356 GB Notification: Performance of NFTyping.typeComponents: time 0.003057/0.3281, allocations: 1.048 MB / 1.183 GB, free: 14.7 MB / 0.9356 GB Notification: Performance of NFTyping.typeBindings: time 0.001088/0.3292, allocations: 418.4 kB / 1.183 GB, free: 14.29 MB / 0.9356 GB Notification: Performance of NFTyping.typeClassSections: time 0.001323/0.3305, allocations: 0.5107 MB / 1.184 GB, free: 13.78 MB / 0.9356 GB Notification: Performance of NFFlatten.flatten: time 0.00523/0.3358, allocations: 3.154 MB / 1.187 GB, free: 10.62 MB / 0.9356 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001558/0.336, allocations: 48.72 kB / 1.187 GB, free: 10.57 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003673/0.3364, allocations: 219.3 kB / 1.187 GB, free: 10.36 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003259/0.3367, allocations: 215.2 kB / 1.187 GB, free: 10.15 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 5.547e-05/0.3368, allocations: 20 kB / 1.187 GB, free: 10.13 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00141/0.3382, allocations: 0.7486 MB / 1.188 GB, free: 9.379 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.0002369/0.3384, allocations: 207.4 kB / 1.188 GB, free: 9.176 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.0002733/0.3387, allocations: 246.5 kB / 1.188 GB, free: 8.934 MB / 0.9356 GB Notification: Performance of NFConvertDAE.convert: time 0.001598/0.3403, allocations: 1.028 MB / 1.189 GB, free: 7.902 MB / 0.9356 GB Notification: Performance of FrontEnd - DAE generated: time 4.539e-06/0.3403, allocations: 0 / 1.189 GB, free: 7.902 MB / 0.9356 GB Notification: Performance of FrontEnd: time 3.858e-06/0.3403, allocations: 0 / 1.189 GB, free: 7.902 MB / 0.9356 GB Notification: Performance of Transformations before backend: time 1.464e-05/0.3404, allocations: 7.938 kB / 1.189 GB, free: 7.895 MB / 0.9356 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 21 * Number of variables: 21 Notification: Performance of Generate backend data structure: time 0.001526/0.3419, allocations: 0.913 MB / 1.19 GB, free: 6.93 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 4.415e-05/0.3419, allocations: 11.98 kB / 1.19 GB, free: 6.918 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001262/0.3432, allocations: 212.4 kB / 1.191 GB, free: 6.711 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002041/0.3453, allocations: 0.9759 MB / 1.192 GB, free: 5.691 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.387e-05/0.3453, allocations: 12 kB / 1.192 GB, free: 5.68 MB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.45e-05/0.3454, allocations: 19.98 kB / 1.192 GB, free: 5.66 MB / 0.9356 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005668/0.3459, allocations: 253.4 kB / 1.192 GB, free: 5.406 MB / 0.9356 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.134e-05/0.3459, allocations: 0 / 1.192 GB, free: 5.406 MB / 0.9356 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.181e-05/0.346, allocations: 0 / 1.192 GB, free: 5.406 MB / 0.9356 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.666e-06/0.346, allocations: 8 kB / 1.192 GB, free: 5.398 MB / 0.9356 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006844/0.3467, allocations: 239.8 kB / 1.192 GB, free: 5.164 MB / 0.9356 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001406/0.3481, allocations: 0.824 MB / 1.193 GB, free: 4.289 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007364/0.3488, allocations: 298.7 kB / 1.193 GB, free: 3.988 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003376/0.3492, allocations: 120.7 kB / 1.193 GB, free: 3.867 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 4.063e-05/0.3492, allocations: 15.92 kB / 1.193 GB, free: 3.852 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.13e-05/0.3493, allocations: 30.56 kB / 1.193 GB, free: 3.812 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=10): time 2.294e-06/0.3493, allocations: 0 / 1.193 GB, free: 3.812 MB / 0.9356 GB Notification: Performance of matching and sorting (n=10): time 0.00128/0.3506, allocations: 437 kB / 1.194 GB, free: 3.379 MB / 0.9356 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.242e-05/0.3506, allocations: 55.34 kB / 1.194 GB, free: 3.312 MB / 0.9356 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000925/0.3516, allocations: 0.7499 MB / 1.194 GB, free: 2.551 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 3.111e-05/0.3516, allocations: 25.7 kB / 1.194 GB, free: 2.52 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002047/0.3518, allocations: 236.8 kB / 1.195 GB, free: 2.285 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 4.582e-05/0.3519, allocations: 35.67 kB / 1.195 GB, free: 2.25 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002334/0.3521, allocations: 170 kB / 1.195 GB, free: 2.078 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001894/0.3523, allocations: 366.8 kB / 1.195 GB, free: 1.711 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007076/0.353, allocations: 438.9 kB / 1.196 GB, free: 1.277 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008013/0.3538, allocations: 0.5239 MB / 1.196 GB, free: 0.7148 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001389/0.3552, allocations: 0.8702 MB / 1.197 GB, free: 15.82 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.498e-06/0.3552, allocations: 0 / 1.197 GB, free: 15.82 MB / 0.9512 GB Notification: Performance of matching and sorting (n=85) (initialization): time 0.001797/0.357, allocations: 1.069 MB / 1.198 GB, free: 14.75 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 2.358e-05/0.3571, allocations: 8 kB / 1.198 GB, free: 14.74 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.397e-05/0.3571, allocations: 12.2 kB / 1.198 GB, free: 14.73 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.392e-05/0.3571, allocations: 4 kB / 1.198 GB, free: 14.73 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004854/0.3576, allocations: 107.9 kB / 1.198 GB, free: 14.62 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.071e-05/0.3576, allocations: 4 kB / 1.198 GB, free: 14.62 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004387/0.3581, allocations: 71.59 kB / 1.198 GB, free: 14.55 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.459e-05/0.3582, allocations: 35.98 kB / 1.198 GB, free: 14.51 MB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008685/0.359, allocations: 0.5403 MB / 1.199 GB, free: 13.97 MB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007285/0.3598, allocations: 464.4 kB / 1.199 GB, free: 13.48 MB / 0.9512 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001214/0.361, allocations: 0.7353 MB / 1.2 GB, free: 12.73 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.336e-06/0.361, allocations: 4 kB / 1.2 GB, free: 12.72 MB / 0.9512 GB Notification: Performance of matching and sorting (n=85) (initialization_lambda0): time 0.001668/0.3627, allocations: 0.9185 MB / 1.201 GB, free: 11.79 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 1.316e-05/0.3627, allocations: 6.031 kB / 1.201 GB, free: 11.79 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.113e-06/0.3627, allocations: 4 kB / 1.201 GB, free: 11.79 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.606e-06/0.3627, allocations: 4.188 kB / 1.201 GB, free: 11.78 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004409/0.3632, allocations: 112.2 kB / 1.201 GB, free: 11.67 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.234e-06/0.3632, allocations: 4 kB / 1.201 GB, free: 11.67 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004445/0.3637, allocations: 67.69 kB / 1.201 GB, free: 11.6 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.019e-05/0.3637, allocations: 24 kB / 1.201 GB, free: 11.58 MB / 0.9512 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (52): * Single equations (assignments): 50 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * 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 0.0002101/0.3639, allocations: 201 kB / 1.201 GB, free: 11.38 MB / 0.9512 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.794e-05/0.364, allocations: 59.56 kB / 1.201 GB, free: 11.32 MB / 0.9512 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000976/0.365, allocations: 346.6 kB / 1.202 GB, free: 10.97 MB / 0.9512 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.637e-06/0.365, allocations: 4 kB / 1.202 GB, free: 10.96 MB / 0.9512 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.26e-06/0.365, allocations: 0 / 1.202 GB, free: 10.96 MB / 0.9512 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.299e-06/0.365, allocations: 0 / 1.202 GB, free: 10.96 MB / 0.9512 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000535/0.3656, allocations: 424.9 kB / 1.202 GB, free: 10.5 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.443e-06/0.3656, allocations: 0 / 1.202 GB, free: 10.5 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002458/0.3658, allocations: 43.95 kB / 1.202 GB, free: 10.46 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.675e-06/0.3659, allocations: 0 / 1.202 GB, free: 10.46 MB / 0.9512 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.682e-05/0.3659, allocations: 0 / 1.202 GB, free: 10.46 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.651e-06/0.3659, allocations: 8 kB / 1.202 GB, free: 10.45 MB / 0.9512 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.332e-06/0.3659, allocations: 3.938 kB / 1.202 GB, free: 10.45 MB / 0.9512 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008508/0.3668, allocations: 423 kB / 1.203 GB, free: 10.02 MB / 0.9512 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001817/0.3669, allocations: 148.7 kB / 1.203 GB, free: 9.852 MB / 0.9512 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.972e-05/0.367, allocations: 4 kB / 1.203 GB, free: 9.848 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002791/0.3673, allocations: 23.98 kB / 1.203 GB, free: 9.824 MB / 0.9512 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.338e-05/0.3674, allocations: 7.984 kB / 1.203 GB, free: 9.816 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.33e-05/0.3674, allocations: 15.92 kB / 1.203 GB, free: 9.801 MB / 0.9512 GB Notification: Performance of sorting global known variables: time 0.0006333/0.368, allocations: 0.499 MB / 1.203 GB, free: 9.309 MB / 0.9512 GB Notification: Performance of sort global known variables: time 1.71e-07/0.368, allocations: 0 / 1.203 GB, free: 9.309 MB / 0.9512 GB Notification: Performance of remove unused functions: time 0.001032/0.3691, allocations: 315.6 kB / 1.204 GB, free: 9 MB / 0.9512 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (11): * Single equations (assignments): 11 * 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 0.0008671/0.37, allocations: 386.5 kB / 1.204 GB, free: 8.609 MB / 0.9512 GB Notification: Performance of simCode: created initialization part: time 0.002088/0.3721, allocations: 1.142 MB / 1.205 GB, free: 7.469 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 4.789e-06/0.3721, allocations: 4 kB / 1.205 GB, free: 7.465 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.0003558/0.3724, allocations: 128.3 kB / 1.205 GB, free: 7.34 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008933/0.3733, allocations: 208 kB / 1.205 GB, free: 7.141 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001619/0.375, allocations: 0.9748 MB / 1.206 GB, free: 6.133 MB / 0.9512 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005704/0.3755, allocations: 0.8972 MB / 1.207 GB, free: 5.207 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002013/0.3758, allocations: 51.42 kB / 1.207 GB, free: 5.156 MB / 0.9512 GB Notification: Performance of SimCode: time 1.122e-06/0.3758, allocations: 0 / 1.207 GB, free: 5.156 MB / 0.9512 GB Notification: Performance of Templates: time 0.01574/0.3915, allocations: 9.998 MB / 1.217 GB, free: 11.22 MB / 0.9669 GB " [Timeout remaining time 300] make -j1 -f Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.makefile [Timeout 300] (rm -f Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; mkfifo Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe >> ../files/Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.sim & ./Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Movers_BaseClasses_Validation_FlowMachineInterface.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.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: 13.195799747016281]