Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve.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 0.001149/0.001149, allocations: 83.59 kB / 20.45 MB, free: 4.121 MB / 18.57 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 0.001264/0.001264, allocations: 165 kB / 23.82 MB, free: 0.75 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 0.9672/0.9672, allocations: 177.1 MB / 204.2 MB, free: 5.617 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 1.887/1.887, allocations: 377.8 MB / 0.6236 GB, free: 8.539 MB / 0.5886 GB " [Timeout remaining time 178] Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-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: translateModel(Buildings.Fluid.Movers.Validation.PressureCurve,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|mov.dpMachine",fileNamePrefix="Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve") translateModel(Buildings.Fluid.Movers.Validation.PressureCurve,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|mov.dpMachine",fileNamePrefix="Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.054e-06/2.054e-06, allocations: 0 / 0.8115 GB, free: 1.715 MB / 0.7605 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.745e-05/2.951e-05, allocations: 6.312 kB / 0.8115 GB, free: 1.707 MB / 0.7605 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.PressureCurve): time 0.1461/0.1461, allocations: 152.1 MB / 0.96 GB, free: 9.16 MB / 0.9167 GB Notification: Performance of NFInst.instExpressions: time 0.009105/0.1552, allocations: 7.109 MB / 0.967 GB, free: 2.035 MB / 0.9167 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008898/0.1561, allocations: 59.56 kB / 0.967 GB, free: 1.977 MB / 0.9167 GB Notification: Performance of NFTyping.typeComponents: time 0.002356/0.1584, allocations: 1.4 MB / 0.9684 GB, free: 0.5703 MB / 0.9167 GB Notification: Performance of NFTyping.typeBindings: time 0.002268/0.1607, allocations: 1.539 MB / 0.9699 GB, free: 15.02 MB / 0.9323 GB Notification: Performance of NFTyping.typeClassSections: time 0.001868/0.1626, allocations: 1.249 MB / 0.9711 GB, free: 13.77 MB / 0.9323 GB Notification: Performance of NFFlatten.flatten: time 0.01019/0.1728, allocations: 11.37 MB / 0.9822 GB, free: 2.387 MB / 0.9323 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001036/0.1738, allocations: 0.8172 MB / 0.983 GB, free: 1.562 MB / 0.9323 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001839/0.1756, allocations: 1.475 MB / 0.9845 GB, free: 108 kB / 0.9323 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008686/0.1765, allocations: 0.8302 MB / 0.9853 GB, free: 15.27 MB / 0.948 GB Notification: Performance of NFPackage.collectConstants: time 0.0001458/0.1767, allocations: 104 kB / 0.9854 GB, free: 15.17 MB / 0.948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00147/0.1781, allocations: 1.08 MB / 0.9864 GB, free: 14.09 MB / 0.948 GB Notification: Performance of NFScalarize.scalarize: time 0.0003919/0.1785, allocations: 0.6544 MB / 0.9871 GB, free: 13.43 MB / 0.948 GB Notification: Performance of NFVerifyModel.verify: time 0.0004323/0.179, allocations: 0.5065 MB / 0.9876 GB, free: 12.92 MB / 0.948 GB Notification: Performance of NFConvertDAE.convert: time 0.001955/0.1809, allocations: 1.896 MB / 0.9894 GB, free: 11.02 MB / 0.948 GB Notification: Performance of FrontEnd - DAE generated: time 4.658e-06/0.1809, allocations: 0 / 0.9894 GB, free: 11.02 MB / 0.948 GB Notification: Performance of FrontEnd: time 1.413e-06/0.1809, allocations: 0 / 0.9894 GB, free: 11.02 MB / 0.948 GB Notification: Performance of Transformations before backend: time 2.14e-05/0.1809, allocations: 0 / 0.9894 GB, free: 11.02 MB / 0.948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 145 * Number of variables: 145 Notification: Performance of Generate backend data structure: time 0.002036/0.183, allocations: 2.106 MB / 0.9915 GB, free: 8.859 MB / 0.948 GB Notification: Performance of prepare preOptimizeDAE: time 3.595e-05/0.183, allocations: 8.031 kB / 0.9915 GB, free: 8.852 MB / 0.948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001592/0.1846, allocations: 0.5801 MB / 0.992 GB, free: 8.27 MB / 0.948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00224/0.1868, allocations: 2.039 MB / 0.994 GB, free: 6.164 MB / 0.948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.673e-05/0.1869, allocations: 49.31 kB / 0.9941 GB, free: 6.117 MB / 0.948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.204e-05/0.187, allocations: 67.94 kB / 0.9941 GB, free: 6.051 MB / 0.948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008616/0.1878, allocations: 0.6286 MB / 0.9947 GB, free: 5.371 MB / 0.948 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.373e-05/0.1878, allocations: 4 kB / 0.9948 GB, free: 5.367 MB / 0.948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.111e-05/0.1879, allocations: 27.98 kB / 0.9948 GB, free: 5.34 MB / 0.948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.347e-05/0.1879, allocations: 21.31 kB / 0.9948 GB, free: 5.316 MB / 0.948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004707/0.1884, allocations: 295.5 kB / 0.9951 GB, free: 5.027 MB / 0.948 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003084/0.1915, allocations: 3.445 MB / 0.9984 GB, free: 1.461 MB / 0.948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000708/0.1922, allocations: 299.1 kB / 0.9987 GB, free: 1.156 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000165/0.1923, allocations: 103.6 kB / 0.9988 GB, free: 1.051 MB / 0.948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001054/0.1924, allocations: 27.97 kB / 0.9989 GB, free: 1.023 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.467e-05/0.1925, allocations: 37.39 kB / 0.9989 GB, free: 0.9766 MB / 0.948 GB Notification: Performance of pre-optimization done (n=29): time 1.573e-06/0.1925, allocations: 0 / 0.9989 GB, free: 0.9766 MB / 0.948 GB Notification: Performance of matching and sorting (n=29): time 0.001081/0.1936, allocations: 0.56 MB / 0.9994 GB, free: 416 kB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.601e-05/0.1936, allocations: 55.41 kB / 0.9995 GB, free: 348 kB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001207/0.1948, allocations: 1.387 MB / 1.001 GB, free: 14.93 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 4.115e-05/0.1948, allocations: 33.7 kB / 1.001 GB, free: 14.89 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004625/0.1953, allocations: 0.7965 MB / 1.002 GB, free: 14.09 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 7.849e-05/0.1954, allocations: 111 kB / 1.002 GB, free: 13.98 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001443/0.1955, allocations: 131.8 kB / 1.002 GB, free: 13.84 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 0.0001042/0.1956, allocations: 0.4926 MB / 1.002 GB, free: 13.34 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001861/0.1958, allocations: 113.6 kB / 1.002 GB, free: 13.22 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003378/0.1961, allocations: 0.5405 MB / 1.003 GB, free: 12.53 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004697/0.1966, allocations: 466.3 kB / 1.003 GB, free: 11.97 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.326e-06/0.1966, allocations: 0 / 1.003 GB, free: 11.97 MB / 0.9636 GB Notification: Performance of matching and sorting (n=57) (initialization): time 0.0007367/0.1974, allocations: 0.589 MB / 1.004 GB, free: 11.37 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 1.543e-05/0.1974, allocations: 4 kB / 1.004 GB, free: 11.37 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.114e-06/0.1974, allocations: 8 kB / 1.004 GB, free: 11.36 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002286/0.1976, allocations: 63.62 kB / 1.004 GB, free: 11.29 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002982/0.1979, allocations: 136.2 kB / 1.004 GB, free: 11.16 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003844/0.1983, allocations: 0.8585 MB / 1.005 GB, free: 10.27 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000344/0.1986, allocations: 75.67 kB / 1.005 GB, free: 10.2 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.524e-05/0.1987, allocations: 63.91 kB / 1.005 GB, free: 10.13 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002989/0.199, allocations: 223.8 kB / 1.005 GB, free: 9.906 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003812/0.1994, allocations: 0.5359 MB / 1.006 GB, free: 9.215 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004158/0.1998, allocations: 432.1 kB / 1.006 GB, free: 8.691 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.974e-06/0.1998, allocations: 0 / 1.006 GB, free: 8.691 MB / 0.9636 GB Notification: Performance of matching and sorting (n=57) (initialization_lambda0): time 0.0008401/0.2006, allocations: 0.5938 MB / 1.007 GB, free: 8.086 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 7.885e-06/0.2006, allocations: 7.938 kB / 1.007 GB, free: 8.078 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.27e-06/0.2006, allocations: 8 kB / 1.007 GB, free: 8.07 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002848/0.2009, allocations: 135.7 kB / 1.007 GB, free: 7.934 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000289/0.2012, allocations: 123.8 kB / 1.007 GB, free: 7.812 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003414/0.2016, allocations: 0.8546 MB / 1.008 GB, free: 6.926 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003351/0.2019, allocations: 75.77 kB / 1.008 GB, free: 6.852 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.067e-05/0.2019, allocations: 51.98 kB / 1.008 GB, free: 6.801 MB / 0.9636 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * 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 (50): * Single equations (assignments): 48 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0001476/0.2021, allocations: 303.8 kB / 1.008 GB, free: 6.496 MB / 0.9636 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001329/0.2022, allocations: 155 kB / 1.009 GB, free: 6.344 MB / 0.9636 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00066/0.2029, allocations: 468.3 kB / 1.009 GB, free: 5.875 MB / 0.9636 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.156e-06/0.2029, allocations: 4 kB / 1.009 GB, free: 5.871 MB / 0.9636 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.236e-06/0.2029, allocations: 0 / 1.009 GB, free: 5.871 MB / 0.9636 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.052e-06/0.2029, allocations: 7.922 kB / 1.009 GB, free: 5.863 MB / 0.9636 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001496/0.2044, allocations: 1.403 MB / 1.01 GB, free: 4.379 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.156e-06/0.2044, allocations: 4 kB / 1.01 GB, free: 4.375 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002309/0.2046, allocations: 80.09 kB / 1.01 GB, free: 4.297 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001004/0.2047, allocations: 43.66 kB / 1.011 GB, free: 4.25 MB / 0.9636 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.116e-05/0.2048, allocations: 19.98 kB / 1.011 GB, free: 4.23 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000303/0.2051, allocations: 0.8429 MB / 1.011 GB, free: 3.355 MB / 0.9636 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.807e-06/0.2051, allocations: 7.938 kB / 1.011 GB, free: 3.348 MB / 0.9636 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007627/0.2058, allocations: 0.7091 MB / 1.012 GB, free: 2.582 MB / 0.9636 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002295/0.2061, allocations: 202.8 kB / 1.012 GB, free: 2.383 MB / 0.9636 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001001/0.2062, allocations: 8 kB / 1.012 GB, free: 2.375 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003018/0.2065, allocations: 40 kB / 1.012 GB, free: 2.336 MB / 0.9636 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.942e-05/0.2065, allocations: 31.89 kB / 1.012 GB, free: 2.305 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.823e-05/0.2066, allocations: 27.98 kB / 1.012 GB, free: 2.277 MB / 0.9636 GB Notification: Performance of sorting global known variables: time 0.000734/0.2073, allocations: 0.7815 MB / 1.013 GB, free: 1.5 MB / 0.9636 GB Notification: Performance of sort global known variables: time 6e-08/0.2073, allocations: 0 / 1.013 GB, free: 1.5 MB / 0.9636 GB Notification: Performance of remove unused functions: time 0.000961/0.2083, allocations: 0.5731 MB / 1.014 GB, free: 0.9258 MB / 0.9636 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 1 (mov.motSpe.y) * 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 (27): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00044/0.2087, allocations: 294.6 kB / 1.014 GB, free: 0.6289 MB / 0.9636 GB Notification: Performance of simCode: created initialization part: time 0.000812/0.2095, allocations: 0.5223 MB / 1.014 GB, free: 100 kB / 0.9636 GB Notification: Performance of simCode: created event and clocks part: time 1.833e-06/0.2095, allocations: 0 / 1.014 GB, free: 100 kB / 0.9636 GB Notification: Performance of simCode: created simulation system equations: time 0.000202/0.2097, allocations: 141.2 kB / 1.015 GB, free: 15.96 MB / 0.9792 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001614/0.2113, allocations: 0.9084 MB / 1.016 GB, free: 15.07 MB / 0.9792 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003119/0.2145, allocations: 2.306 MB / 1.018 GB, free: 12.68 MB / 0.9792 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002195/0.2147, allocations: 332.6 kB / 1.018 GB, free: 12.34 MB / 0.9792 GB Notification: Performance of simCode: alias equations: time 0.0007706/0.2154, allocations: 364.4 kB / 1.018 GB, free: 11.97 MB / 0.9792 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002293/0.2157, allocations: 124.4 kB / 1.019 GB, free: 11.85 MB / 0.9792 GB Notification: Performance of SimCode: time 7.82e-07/0.2157, allocations: 0 / 1.019 GB, free: 11.85 MB / 0.9792 GB Notification: Performance of Templates: time 0.4208/0.6364, allocations: 36.04 MB / 1.054 GB, free: 115.3 MB / 0.9948 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve.pipe ; mkfifo Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve.pipe >> ../files/Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve.sim & ./Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_12_Buildings.Fluid.Movers.Validation.PressureCurve_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Movers_Validation_PressureCurve.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: 6.3131206701509655]