Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.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 0.00111/0.00111, allocations: 92.11 kB / 20.43 MB, free: 4.145 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 0.001389/0.001389, allocations: 165 kB / 23.79 MB, free: 0.7773 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 0.9863/0.9863, allocations: 177.1 MB / 204.2 MB, free: 5.645 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.5907/0.5907, allocations: 115 MB / 375.7 MB, free: 7.672 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves") translateModel(IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.814e-06/1.814e-06, allocations: 0 / 481.5 MB, free: 11.8 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.321e-05/2.503e-05, allocations: 5.594 kB / 481.5 MB, free: 11.79 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves): time 0.02286/0.02289, allocations: 29.86 MB / 0.4994 GB, free: 8.09 MB / 426.7 MB Notification: Performance of NFInst.instExpressions: time 0.02825/0.05114, allocations: 15.69 MB / 0.5147 GB, free: 10.29 MB / 442.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.007202/0.05834, allocations: 222.2 kB / 0.5149 GB, free: 10.07 MB / 442.7 MB Notification: Performance of NFTyping.typeComponents: time 0.006524/0.06486, allocations: 2.243 MB / 0.5171 GB, free: 8.07 MB / 442.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01072/0.07558, allocations: 4.36 MB / 0.5213 GB, free: 3.688 MB / 442.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.00829/0.08387, allocations: 4.132 MB / 0.5254 GB, free: 15.55 MB / 458.7 MB Notification: Performance of NFFlatten.flatten: time 0.0417/0.1256, allocations: 43.55 MB / 0.5679 GB, free: 3.938 MB / 490.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005396/0.131, allocations: 3.145 MB / 0.571 GB, free: 0.7344 MB / 490.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.009527/0.1405, allocations: 5.462 MB / 0.5763 GB, free: 11.3 MB / 0.4948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004678/0.1452, allocations: 2.938 MB / 0.5792 GB, free: 8.355 MB / 0.4948 GB Notification: Performance of NFPackage.collectConstants: time 0.001153/0.1463, allocations: 388 kB / 0.5796 GB, free: 7.977 MB / 0.4948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003332/0.1497, allocations: 1.54 MB / 0.5811 GB, free: 6.434 MB / 0.4948 GB Notification: Performance of NFScalarize.scalarize: time 0.001832/0.1515, allocations: 1.959 MB / 0.583 GB, free: 4.469 MB / 0.4948 GB Notification: Performance of NFVerifyModel.verify: time 0.002991/0.1545, allocations: 1.843 MB / 0.5848 GB, free: 2.621 MB / 0.4948 GB Notification: Performance of NFConvertDAE.convert: time 0.00714/0.1616, allocations: 5.017 MB / 0.5897 GB, free: 13.58 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 7.434e-06/0.1616, allocations: 7.938 kB / 0.5897 GB, free: 13.57 MB / 0.5105 GB Notification: Performance of FrontEnd: time 1.753e-06/0.1616, allocations: 0 / 0.5897 GB, free: 13.57 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0002281/0.1619, allocations: 0 / 0.5897 GB, free: 13.57 MB / 0.5105 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 545 * Number of variables: 545 Notification: Performance of Generate backend data structure: time 0.007497/0.1694, allocations: 6.532 MB / 0.5961 GB, free: 6.93 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 4.086e-05/0.1694, allocations: 8.031 kB / 0.5961 GB, free: 6.922 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004437/0.1738, allocations: 1.795 MB / 0.5978 GB, free: 5.121 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008698/0.1825, allocations: 7.214 MB / 0.6049 GB, free: 13.79 MB / 0.5261 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001355/0.1827, allocations: 188.3 kB / 0.605 GB, free: 13.6 MB / 0.5261 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003917/0.1831, allocations: 244 kB / 0.6053 GB, free: 13.36 MB / 0.5261 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003537/0.1866, allocations: 2.291 MB / 0.6075 GB, free: 10.88 MB / 0.5261 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.914e-05/0.1866, allocations: 4 kB / 0.6075 GB, free: 10.87 MB / 0.5261 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000189/0.1868, allocations: 91.94 kB / 0.6076 GB, free: 10.78 MB / 0.5261 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.564e-05/0.1869, allocations: 52 kB / 0.6077 GB, free: 10.73 MB / 0.5261 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001938/0.1888, allocations: 1.109 MB / 0.6087 GB, free: 9.598 MB / 0.5261 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 0.01381/0.2026, allocations: 11.31 MB / 0.6198 GB, free: 14 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001995/0.2046, allocations: 1.127 MB / 0.6209 GB, free: 12.86 MB / 0.5417 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006032/0.2052, allocations: 427.6 kB / 0.6213 GB, free: 12.45 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004415/0.2096, allocations: 2.65 MB / 0.6239 GB, free: 9.773 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.482e-05/0.2097, allocations: 46.39 kB / 0.6239 GB, free: 9.719 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=115): time 3.206e-06/0.2097, allocations: 0 / 0.6239 GB, free: 9.719 MB / 0.5417 GB Notification: Performance of matching and sorting (n=115): time 0.004386/0.2141, allocations: 2.19 MB / 0.6261 GB, free: 7.504 MB / 0.5417 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.283e-05/0.2141, allocations: 68.41 kB / 0.6261 GB, free: 7.426 MB / 0.5417 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005316/0.2194, allocations: 4.59 MB / 0.6306 GB, free: 2.816 MB / 0.5417 GB Notification: Performance of collectPreVariables (initialization): time 0.0004909/0.2199, allocations: 57.7 kB / 0.6307 GB, free: 2.754 MB / 0.5417 GB Notification: Performance of collectInitialEqns (initialization): time 0.001931/0.2218, allocations: 2.772 MB / 0.6334 GB, free: 15.97 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005605/0.2224, allocations: 416.4 kB / 0.6338 GB, free: 15.56 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006754/0.2231, allocations: 0.497 MB / 0.6343 GB, free: 15.05 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.0005999/0.2237, allocations: 480.5 kB / 0.6347 GB, free: 14.58 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009017/0.2246, allocations: 475.4 kB / 0.6352 GB, free: 14.11 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001462/0.226, allocations: 1.907 MB / 0.637 GB, free: 11.68 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0022/0.2282, allocations: 1.781 MB / 0.6388 GB, free: 9.547 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.687e-05/0.2282, allocations: 4 kB / 0.6388 GB, free: 9.543 MB / 0.5573 GB Notification: Performance of matching and sorting (n=239) (initialization): time 0.004323/0.2326, allocations: 2.356 MB / 0.6411 GB, free: 7.16 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 2.503e-05/0.2326, allocations: 12 kB / 0.6411 GB, free: 7.148 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.084e-05/0.2326, allocations: 16 kB / 0.6411 GB, free: 7.133 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008425/0.2335, allocations: 314.7 kB / 0.6414 GB, free: 6.809 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001093/0.2345, allocations: 499.2 kB / 0.6419 GB, free: 6.32 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001568/0.2361, allocations: 3.543 MB / 0.6453 GB, free: 2.648 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002116/0.2382, allocations: 294.9 kB / 0.6456 GB, free: 2.359 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002602/0.2385, allocations: 227.9 kB / 0.6458 GB, free: 2.137 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001364/0.2399, allocations: 0.5572 MB / 0.6464 GB, free: 1.574 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.2326/0.4724, allocations: 1.848 MB / 0.6482 GB, free: 119.6 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002953/0.4754, allocations: 1.667 MB / 0.6498 GB, free: 118.7 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.741e-05/0.4754, allocations: 6.156 kB / 0.6498 GB, free: 118.7 MB / 0.5573 GB Notification: Performance of matching and sorting (n=239) (initialization_lambda0): time 0.0059/0.4813, allocations: 2.311 MB / 0.6521 GB, free: 118.6 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 2.614e-05/0.4813, allocations: 13.56 kB / 0.6521 GB, free: 118.6 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.18e-05/0.4814, allocations: 19.25 kB / 0.6521 GB, free: 118.6 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001802/0.4832, allocations: 0.5455 MB / 0.6526 GB, free: 118.5 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001398/0.4845, allocations: 466 kB / 0.6531 GB, free: 118.5 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007674/0.4922, allocations: 10.2 MB / 0.663 GB, free: 110.3 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002765/0.495, allocations: 260.3 kB / 0.6633 GB, free: 110.3 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000368/0.4954, allocations: 176.5 kB / 0.6635 GB, free: 110.3 MB / 0.5573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 81 * 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 (203): * Single equations (assignments): 195 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(1,4), (1,4), (1,4), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0006219/0.496, allocations: 390.4 kB / 0.6638 GB, free: 110 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009808/0.497, allocations: 0.5382 MB / 0.6644 GB, free: 110 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003543/0.5005, allocations: 2.227 MB / 0.6665 GB, free: 109.7 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.794e-05/0.5005, allocations: 20.25 kB / 0.6665 GB, free: 109.7 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.102e-06/0.5005, allocations: 0 / 0.6665 GB, free: 109.7 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.296e-05/0.5005, allocations: 10.23 kB / 0.6666 GB, free: 109.7 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007734/0.5083, allocations: 4.695 MB / 0.6711 GB, free: 109.1 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.775e-06/0.5083, allocations: 3.375 kB / 0.6711 GB, free: 109.1 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008171/0.5091, allocations: 300.8 kB / 0.6714 GB, free: 109.1 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008087/0.5099, allocations: 352.5 kB / 0.6718 GB, free: 109 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001163/0.51, allocations: 60.58 kB / 0.6718 GB, free: 109 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001131/0.5112, allocations: 3.432 MB / 0.6752 GB, free: 105.8 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.268e-06/0.5112, allocations: 2.781 kB / 0.6752 GB, free: 105.8 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003606/0.5148, allocations: 2.037 MB / 0.6772 GB, free: 105.1 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001563/0.5163, allocations: 0.7237 MB / 0.6779 GB, free: 104.8 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006473/0.517, allocations: 23.44 kB / 0.6779 GB, free: 104.8 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001239/0.5182, allocations: 120.2 kB / 0.678 GB, free: 104.8 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001534/0.5184, allocations: 98.89 kB / 0.6781 GB, free: 104.8 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001672/0.5185, allocations: 115.9 kB / 0.6782 GB, free: 104.8 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.004046/0.5226, allocations: 2.483 MB / 0.6806 GB, free: 104.5 MB / 0.5573 GB Notification: Performance of sort global known variables: time 3.3e-07/0.5226, allocations: 0 / 0.6806 GB, free: 104.5 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.004747/0.5273, allocations: 1.898 MB / 0.6825 GB, free: 104.4 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (115): * Single equations (assignments): 104 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 7 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(1,5), (1,5), (1,5), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007863/0.5281, allocations: 373.2 kB / 0.6829 GB, free: 104.3 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.004692/0.5328, allocations: 3.004 MB / 0.6858 GB, free: 103.5 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 5.961e-06/0.5328, allocations: 0 / 0.6858 GB, free: 103.5 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.001006/0.5338, allocations: 0.6192 MB / 0.6864 GB, free: 103.5 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007694/0.5415, allocations: 2.992 MB / 0.6893 GB, free: 103.1 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01077/0.5523, allocations: 7.449 MB / 0.6966 GB, free: 99.8 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001145/0.5534, allocations: 1.029 MB / 0.6976 GB, free: 99.64 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.004849/0.5583, allocations: 1.257 MB / 0.6988 GB, free: 99.23 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001094/0.5594, allocations: 451.8 kB / 0.6993 GB, free: 99.18 MB / 0.5573 GB Notification: Performance of SimCode: time 2.735e-06/0.5594, allocations: 0 / 0.6993 GB, free: 99.18 MB / 0.5573 GB Notification: Performance of Templates: time 0.1081/0.6674, allocations: 114.9 MB / 0.8115 GB, free: 9.703 MB / 0.573 GB " [Timeout remaining time 659] make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 6.0732264230027795]