Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y.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 0.0008576/0.0008576, allocations: 79.69 kB / 21.74 MB, free: 2.516 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 0.0009094/0.0009094, allocations: 173.8 kB / 25.18 MB, free: 9.109 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 0.941/0.941, allocations: 177.1 MB / 205.6 MB, free: 5.008 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.822/1.822, allocations: 389.6 MB / 0.6364 GB, free: 12.19 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y") translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.372e-06/1.372e-06, allocations: 0.6562 kB / 0.7755 GB, free: 5.945 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.426e-05/1.563e-05, allocations: 4.703 kB / 0.7756 GB, free: 5.941 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_y): time 0.1429/0.1429, allocations: 168.3 MB / 0.9399 GB, free: 13.2 MB / 0.9011 GB Notification: Performance of NFInst.instExpressions: time 0.01549/0.1584, allocations: 10.6 MB / 0.9503 GB, free: 2.566 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00194/0.1603, allocations: 123 kB / 0.9504 GB, free: 2.445 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.003125/0.1634, allocations: 1.706 MB / 0.9521 GB, free: 0.7305 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.004056/0.1675, allocations: 2.864 MB / 0.9549 GB, free: 13.85 MB / 0.9167 GB Notification: Performance of NFTyping.typeClassSections: time 0.004034/0.1715, allocations: 2.266 MB / 0.9571 GB, free: 11.58 MB / 0.9167 GB Notification: Performance of NFFlatten.flatten: time 0.01967/0.1912, allocations: 22.54 MB / 0.9791 GB, free: 5.008 MB / 0.9323 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002943/0.1941, allocations: 1.763 MB / 0.9808 GB, free: 3.203 MB / 0.9323 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004208/0.1984, allocations: 3.237 MB / 0.984 GB, free: 15.99 MB / 0.948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002234/0.2006, allocations: 1.672 MB / 0.9856 GB, free: 14.32 MB / 0.948 GB Notification: Performance of NFPackage.collectConstants: time 0.0003895/0.201, allocations: 236 kB / 0.9858 GB, free: 14.09 MB / 0.948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002618/0.2036, allocations: 1.575 MB / 0.9874 GB, free: 12.51 MB / 0.948 GB Notification: Performance of NFScalarize.scalarize: time 0.0008454/0.2044, allocations: 1.289 MB / 0.9886 GB, free: 11.22 MB / 0.948 GB Notification: Performance of NFVerifyModel.verify: time 0.001006/0.2054, allocations: 1.095 MB / 0.9897 GB, free: 10.12 MB / 0.948 GB Notification: Performance of NFConvertDAE.convert: time 0.003433/0.2089, allocations: 3.352 MB / 0.993 GB, free: 6.758 MB / 0.948 GB Notification: Performance of FrontEnd - DAE generated: time 5.31e-06/0.2089, allocations: 4 kB / 0.993 GB, free: 6.754 MB / 0.948 GB Notification: Performance of FrontEnd: time 1.182e-06/0.2089, allocations: 0 / 0.993 GB, free: 6.754 MB / 0.948 GB Notification: Performance of Transformations before backend: time 3.97e-05/0.2089, allocations: 0 / 0.993 GB, free: 6.754 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: 353 * Number of variables: 353 Notification: Performance of Generate backend data structure: time 0.003253/0.2122, allocations: 3.569 MB / 0.9964 GB, free: 3.125 MB / 0.948 GB Notification: Performance of prepare preOptimizeDAE: time 3.658e-05/0.2122, allocations: 8.625 kB / 0.9965 GB, free: 3.117 MB / 0.948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003703/0.2159, allocations: 1.076 MB / 0.9975 GB, free: 2.039 MB / 0.948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004869/0.2208, allocations: 3.196 MB / 1.001 GB, free: 14.73 MB / 0.9636 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.396e-05/0.2209, allocations: 114.8 kB / 1.001 GB, free: 14.62 MB / 0.9636 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002266/0.2211, allocations: 152 kB / 1.001 GB, free: 14.47 MB / 0.9636 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001741/0.2228, allocations: 1.308 MB / 1.002 GB, free: 13.06 MB / 0.9636 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.049e-05/0.2229, allocations: 7.938 kB / 1.002 GB, free: 13.05 MB / 0.9636 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001131/0.223, allocations: 59.94 kB / 1.002 GB, free: 13 MB / 0.9636 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.904e-05/0.223, allocations: 50.67 kB / 1.002 GB, free: 12.95 MB / 0.9636 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009061/0.2239, allocations: 484.6 kB / 1.003 GB, free: 12.46 MB / 0.9636 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 0.005972/0.2299, allocations: 4.325 MB / 1.007 GB, free: 7.988 MB / 0.9636 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00117/0.2311, allocations: 0.6461 MB / 1.008 GB, free: 7.328 MB / 0.9636 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004216/0.2315, allocations: 277.2 kB / 1.008 GB, free: 7.055 MB / 0.9636 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001128/0.2316, allocations: 44.56 kB / 1.008 GB, free: 7.012 MB / 0.9636 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.924e-05/0.2317, allocations: 43.22 kB / 1.008 GB, free: 6.961 MB / 0.9636 GB Notification: Performance of pre-optimization done (n=79): time 2.675e-06/0.2317, allocations: 0 / 1.008 GB, free: 6.961 MB / 0.9636 GB Notification: Performance of matching and sorting (n=79): time 0.002016/0.2337, allocations: 0.8716 MB / 1.009 GB, free: 6.074 MB / 0.9636 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.805e-05/0.2337, allocations: 60.06 kB / 1.009 GB, free: 6.004 MB / 0.9636 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001721/0.2354, allocations: 1.933 MB / 1.011 GB, free: 4.062 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 7.843e-05/0.2355, allocations: 45.7 kB / 1.011 GB, free: 4.012 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005208/0.236, allocations: 0.8119 MB / 1.012 GB, free: 3.184 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002162/0.2362, allocations: 293.4 kB / 1.012 GB, free: 2.895 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003174/0.2366, allocations: 234.4 kB / 1.012 GB, free: 2.66 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 9.822e-05/0.2367, allocations: 345.9 kB / 1.012 GB, free: 2.316 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003181/0.237, allocations: 163.9 kB / 1.013 GB, free: 2.152 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000721/0.2377, allocations: 0.9471 MB / 1.013 GB, free: 0.9414 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000836/0.2385, allocations: 0.7071 MB / 1.014 GB, free: 108 kB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.336e-06/0.2385, allocations: 4 kB / 1.014 GB, free: 104 kB / 0.9636 GB Notification: Performance of matching and sorting (n=129) (initialization): time 0.001368/0.2399, allocations: 0.8255 MB / 1.015 GB, free: 15.26 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 1.977e-05/0.2399, allocations: 8 kB / 1.015 GB, free: 15.25 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.545e-05/0.2399, allocations: 12 kB / 1.015 GB, free: 15.24 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006251/0.2406, allocations: 271.3 kB / 1.015 GB, free: 14.97 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008438/0.2414, allocations: 275.6 kB / 1.016 GB, free: 14.7 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008772/0.2423, allocations: 1.747 MB / 1.017 GB, free: 12.88 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009287/0.2432, allocations: 136.1 kB / 1.017 GB, free: 12.74 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001386/0.2434, allocations: 92.02 kB / 1.017 GB, free: 12.65 MB / 0.9792 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005696/0.2439, allocations: 248 kB / 1.018 GB, free: 12.4 MB / 0.9792 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005821/0.2445, allocations: 0.9339 MB / 1.019 GB, free: 11.21 MB / 0.9792 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008554/0.2454, allocations: 0.6656 MB / 1.019 GB, free: 10.41 MB / 0.9792 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.251e-06/0.2454, allocations: 4 kB / 1.019 GB, free: 10.4 MB / 0.9792 GB Notification: Performance of matching and sorting (n=129) (initialization_lambda0): time 0.001295/0.2467, allocations: 0.8295 MB / 1.02 GB, free: 9.559 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 1.429e-05/0.2467, allocations: 19.88 kB / 1.02 GB, free: 9.539 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.029e-05/0.2467, allocations: 8 kB / 1.02 GB, free: 9.531 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006297/0.2473, allocations: 263.2 kB / 1.02 GB, free: 9.266 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007489/0.2481, allocations: 259.6 kB / 1.021 GB, free: 9.012 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00163/0.2497, allocations: 2.3 MB / 1.023 GB, free: 6.586 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008897/0.2506, allocations: 136.3 kB / 1.023 GB, free: 6.453 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000106/0.2507, allocations: 63.97 kB / 1.023 GB, free: 6.391 MB / 0.9792 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 42 * 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 (114): * Single equations (assignments): 109 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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): 2 systems {(1,7), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002316/0.2509, allocations: 251.9 kB / 1.023 GB, free: 6.137 MB / 0.9792 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002325/0.2512, allocations: 179.7 kB / 1.023 GB, free: 5.961 MB / 0.9792 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001214/0.2524, allocations: 0.7648 MB / 1.024 GB, free: 5.18 MB / 0.9792 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.414e-06/0.2524, allocations: 11.98 kB / 1.024 GB, free: 5.168 MB / 0.9792 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.264e-06/0.2524, allocations: 0 / 1.024 GB, free: 5.168 MB / 0.9792 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0005539/0.2529, allocations: 469.6 kB / 1.025 GB, free: 4.668 MB / 0.9792 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002607/0.2555, allocations: 1.678 MB / 1.026 GB, free: 2.934 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.084e-06/0.2555, allocations: 8.125 kB / 1.026 GB, free: 2.926 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009179/0.2565, allocations: 348.8 kB / 1.027 GB, free: 2.582 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002457/0.2567, allocations: 103.3 kB / 1.027 GB, free: 2.473 MB / 0.9792 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.827e-05/0.2568, allocations: 27.92 kB / 1.027 GB, free: 2.445 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006629/0.2574, allocations: 1.719 MB / 1.028 GB, free: 0.6484 MB / 0.9792 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.829e-06/0.2574, allocations: 8.125 kB / 1.028 GB, free: 0.6406 MB / 0.9792 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001219/0.2587, allocations: 0.9392 MB / 1.029 GB, free: 15.66 MB / 0.9948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004882/0.2592, allocations: 309.8 kB / 1.03 GB, free: 15.36 MB / 0.9948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002012/0.2594, allocations: 16 kB / 1.03 GB, free: 15.34 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006952/0.2601, allocations: 60.02 kB / 1.03 GB, free: 15.28 MB / 0.9948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.562e-05/0.2601, allocations: 56.48 kB / 1.03 GB, free: 15.23 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.132e-05/0.2602, allocations: 51.97 kB / 1.03 GB, free: 15.18 MB / 0.9948 GB Notification: Performance of sorting global known variables: time 0.0009821/0.2612, allocations: 1.02 MB / 1.031 GB, free: 14.16 MB / 0.9948 GB Notification: Performance of sort global known variables: time 2.51e-07/0.2612, allocations: 0 / 1.031 GB, free: 14.16 MB / 0.9948 GB Notification: Performance of remove unused functions: time 0.002032/0.2632, allocations: 1.185 MB / 1.032 GB, free: 12.97 MB / 0.9948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (floMacDyn.vol.dynBal.medium.Xi[1],floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m) * 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 (70): * Single equations (assignments): 67 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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): 2 systems {(1,5), (1,8)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005312/0.2638, allocations: 309.6 kB / 1.032 GB, free: 12.65 MB / 0.9948 GB Notification: Performance of simCode: created initialization part: time 0.001836/0.2656, allocations: 1.086 MB / 1.033 GB, free: 11.55 MB / 0.9948 GB Notification: Performance of simCode: created event and clocks part: time 2.795e-05/0.2656, allocations: 28 kB / 1.033 GB, free: 11.52 MB / 0.9948 GB Notification: Performance of simCode: created simulation system equations: time 0.0004292/0.2661, allocations: 283.8 kB / 1.034 GB, free: 11.25 MB / 0.9948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003637/0.2697, allocations: 1.649 MB / 1.035 GB, free: 9.645 MB / 0.9948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005725/0.2754, allocations: 4.339 MB / 1.039 GB, free: 5.234 MB / 0.9948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001332/0.2768, allocations: 1.316 MB / 1.041 GB, free: 3.891 MB / 0.9948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.005575/0.2823, allocations: 1.104 MB / 1.042 GB, free: 2.754 MB / 0.9948 GB Notification: Performance of SimCode: time 1.213e-06/0.2823, allocations: 0 / 1.042 GB, free: 2.754 MB / 0.9948 GB Notification: Performance of Templates: time 0.4846/0.7669, allocations: 80.96 MB / 1.121 GB, free: 124.6 MB / 1.01 GB " [Timeout remaining time 299] make -j1 -f Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y.sim & ./Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y > Buildings_13_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 9.421321155503392]