Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.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 0.0007522/0.0007522, allocations: 80.92 kB / 20.75 MB, free: 3.738 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 0.0009341/0.0009341, allocations: 165 kB / 24.17 MB, free: 332 kB / 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 0.9626/0.9626, allocations: 177.1 MB / 204.6 MB, free: 5.488 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo): time 0.6715/0.6715, allocations: 110.3 MB / 371.3 MB, free: 12.37 MB / 346.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:44:3-56:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:58:3-65:19:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:67:3-72:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:74:3-79:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 179] Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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(BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth") translateModel(BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 7.52e-07/7.52e-07, allocations: 0 / 422.4 MB, free: 9.34 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 9.037e-06/9.789e-06, allocations: 2.312 kB / 422.4 MB, free: 9.336 MB / 394.7 MB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth): time 0.004315/0.004324, allocations: 4.176 MB / 426.6 MB, free: 5.129 MB / 394.7 MB Notification: Performance of NFInst.instExpressions: time 0.3308/0.3351, allocations: 146 MB / 0.5592 GB, free: 9.93 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006904/0.3358, allocations: 23.81 kB / 0.5592 GB, free: 9.906 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.0004975/0.3363, allocations: 181 kB / 0.5594 GB, free: 9.73 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.001265/0.3376, allocations: 0.522 MB / 0.5599 GB, free: 9.223 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.001485/0.3391, allocations: 0.845 MB / 0.5607 GB, free: 8.402 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.001038/0.3401, allocations: 1.324 MB / 0.562 GB, free: 7.074 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008252/0.3409, allocations: 0.5017 MB / 0.5625 GB, free: 6.555 MB / 0.4948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0007141/0.3417, allocations: 0.7522 MB / 0.5632 GB, free: 5.801 MB / 0.4948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003655/0.342, allocations: 378.8 kB / 0.5636 GB, free: 5.43 MB / 0.4948 GB Notification: Performance of NFPackage.collectConstants: time 0.0001069/0.3421, allocations: 116 kB / 0.5637 GB, free: 5.316 MB / 0.4948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006634/0.3428, allocations: 0.5397 MB / 0.5642 GB, free: 4.785 MB / 0.4948 GB Notification: Performance of NFScalarize.scalarize: time 0.000188/0.343, allocations: 306.9 kB / 0.5645 GB, free: 4.484 MB / 0.4948 GB Notification: Performance of NFVerifyModel.verify: time 0.0002482/0.3432, allocations: 366.9 kB / 0.5649 GB, free: 4.125 MB / 0.4948 GB Notification: Performance of NFConvertDAE.convert: time 0.001094/0.3443, allocations: 1.261 MB / 0.5661 GB, free: 2.859 MB / 0.4948 GB Notification: Performance of FrontEnd - DAE generated: time 3.657e-06/0.3443, allocations: 4 kB / 0.5661 GB, free: 2.855 MB / 0.4948 GB Notification: Performance of FrontEnd: time 1.052e-06/0.3443, allocations: 0 / 0.5661 GB, free: 2.855 MB / 0.4948 GB Notification: Performance of Transformations before backend: time 9.718e-06/0.3443, allocations: 0 / 0.5661 GB, free: 2.855 MB / 0.4948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 239 * Number of variables: 239 Notification: Performance of Generate backend data structure: time 0.001351/0.3457, allocations: 1.369 MB / 0.5674 GB, free: 1.465 MB / 0.4948 GB Notification: Performance of prepare preOptimizeDAE: time 3.148e-05/0.3457, allocations: 12.62 kB / 0.5674 GB, free: 1.453 MB / 0.4948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001077/0.3468, allocations: 368 kB / 0.5678 GB, free: 1.094 MB / 0.4948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006414/0.3474, allocations: 0.5659 MB / 0.5683 GB, free: 0.4961 MB / 0.4948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.103e-05/0.3475, allocations: 70.56 kB / 0.5684 GB, free: 436 kB / 0.4948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.443e-05/0.3475, allocations: 95.94 kB / 0.5685 GB, free: 340 kB / 0.4948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009656/0.3485, allocations: 0.9177 MB / 0.5694 GB, free: 15.33 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.762e-05/0.3485, allocations: 3.938 kB / 0.5694 GB, free: 15.33 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.75e-05/0.3486, allocations: 40 kB / 0.5694 GB, free: 15.29 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.495e-05/0.3486, allocations: 28 kB / 0.5695 GB, free: 15.26 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006056/0.3492, allocations: 0.5947 MB / 0.5701 GB, free: 14.66 MB / 0.5105 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001929/0.3511, allocations: 1.717 MB / 0.5717 GB, free: 12.92 MB / 0.5105 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004236/0.3516, allocations: 360.4 kB / 0.5721 GB, free: 12.55 MB / 0.5105 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001293/0.3517, allocations: 122.7 kB / 0.5722 GB, free: 12.43 MB / 0.5105 GB Notification: Performance of preOpt evalFunc (simulation): time 5.251e-05/0.3517, allocations: 36.62 kB / 0.5722 GB, free: 12.39 MB / 0.5105 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003367/0.3521, allocations: 409.9 kB / 0.5726 GB, free: 11.95 MB / 0.5105 GB Notification: Performance of pre-optimization done (n=80): time 2.344e-06/0.3521, allocations: 0 / 0.5726 GB, free: 11.95 MB / 0.5105 GB Notification: Performance of matching and sorting (n=80): time 0.000948/0.353, allocations: 0.5336 MB / 0.5731 GB, free: 11.41 MB / 0.5105 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.26e-05/0.3531, allocations: 192.6 kB / 0.5733 GB, free: 11.18 MB / 0.5105 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003329/0.3534, allocations: 0.4946 MB / 0.5738 GB, free: 10.67 MB / 0.5105 GB Notification: Performance of collectPreVariables (initialization): time 4.847e-05/0.3535, allocations: 37.7 kB / 0.5738 GB, free: 10.63 MB / 0.5105 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001678/0.3536, allocations: 370.1 kB / 0.5742 GB, free: 10.26 MB / 0.5105 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001354/0.3538, allocations: 273.5 kB / 0.5745 GB, free: 9.996 MB / 0.5105 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000151/0.3539, allocations: 162.5 kB / 0.5746 GB, free: 9.832 MB / 0.5105 GB Notification: Performance of setup shared object (initialization): time 0.0001148/0.354, allocations: 386.6 kB / 0.575 GB, free: 9.445 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001243/0.3542, allocations: 88.77 kB / 0.5751 GB, free: 9.355 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001988/0.3544, allocations: 295.7 kB / 0.5753 GB, free: 9.027 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003217/0.3547, allocations: 307.4 kB / 0.5756 GB, free: 8.711 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.787e-06/0.3547, allocations: 4 kB / 0.5756 GB, free: 8.707 MB / 0.5105 GB Notification: Performance of matching and sorting (n=95) (initialization): time 0.0007021/0.3554, allocations: 443.7 kB / 0.5761 GB, free: 8.262 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 1.403e-05/0.3554, allocations: 4 kB / 0.5761 GB, free: 8.258 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.162e-06/0.3554, allocations: 1.688 kB / 0.5761 GB, free: 8.258 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003909/0.3558, allocations: 124.8 kB / 0.5762 GB, free: 8.133 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003672/0.3562, allocations: 167.7 kB / 0.5763 GB, free: 7.969 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000971/0.3571, allocations: 1.31 MB / 0.5776 GB, free: 6.574 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002438/0.3574, allocations: 66.42 kB / 0.5777 GB, free: 6.512 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.104e-05/0.3574, allocations: 32 kB / 0.5777 GB, free: 6.48 MB / 0.5105 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 8 (weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (93): * Single equations (assignments): 92 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0001702/0.3576, allocations: 162 kB / 0.5779 GB, free: 6.312 MB / 0.5105 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.003e-05/0.3577, allocations: 71.92 kB / 0.5779 GB, free: 6.242 MB / 0.5105 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008955/0.3586, allocations: 0.6462 MB / 0.5786 GB, free: 5.598 MB / 0.5105 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.594e-06/0.3586, allocations: 11.98 kB / 0.5786 GB, free: 5.586 MB / 0.5105 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.237e-06/0.3586, allocations: 0.7031 kB / 0.5786 GB, free: 5.586 MB / 0.5105 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.304e-06/0.3586, allocations: 7.922 kB / 0.5786 GB, free: 5.578 MB / 0.5105 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001216/0.3598, allocations: 1.021 MB / 0.5796 GB, free: 4.531 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.627e-06/0.3598, allocations: 4 kB / 0.5796 GB, free: 4.527 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003289/0.3601, allocations: 160.4 kB / 0.5797 GB, free: 4.371 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003104/0.3604, allocations: 113.8 kB / 0.5799 GB, free: 4.258 MB / 0.5105 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.242e-05/0.3605, allocations: 19.98 kB / 0.5799 GB, free: 4.238 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008554/0.3613, allocations: 1.326 MB / 0.5812 GB, free: 2.824 MB / 0.5105 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.513e-06/0.3613, allocations: 2.109 kB / 0.5812 GB, free: 2.824 MB / 0.5105 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000607/0.3619, allocations: 0.5555 MB / 0.5817 GB, free: 2.246 MB / 0.5105 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001941/0.3621, allocations: 151.1 kB / 0.5819 GB, free: 2.098 MB / 0.5105 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.041e-05/0.3622, allocations: 16 kB / 0.5819 GB, free: 2.082 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002114/0.3624, allocations: 32.55 kB / 0.5819 GB, free: 2.051 MB / 0.5105 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.027e-05/0.3625, allocations: 68.8 kB / 0.582 GB, free: 1.984 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.775e-05/0.3625, allocations: 24.86 kB / 0.582 GB, free: 1.961 MB / 0.5105 GB Notification: Performance of sorting global known variables: time 0.0001982/0.3627, allocations: 251.4 kB / 0.5822 GB, free: 1.715 MB / 0.5105 GB Notification: Performance of sort global known variables: time 5e-08/0.3627, allocations: 0 / 0.5822 GB, free: 1.715 MB / 0.5105 GB Notification: Performance of remove unused functions: time 0.0005437/0.3633, allocations: 343 kB / 0.5826 GB, free: 1.379 MB / 0.5105 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (94): * Single equations (assignments): 91 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 Backend phase and start with SimCode phase: time 0.00156/0.3648, allocations: 0.7746 MB / 0.5833 GB, free: 0.9805 MB / 0.5105 GB Notification: Performance of simCode: created initialization part: time 0.0006608/0.3655, allocations: 493.4 kB / 0.5838 GB, free: 496 kB / 0.5105 GB Notification: Performance of simCode: created event and clocks part: time 8.846e-06/0.3655, allocations: 11.62 kB / 0.5838 GB, free: 488 kB / 0.5105 GB Notification: Performance of simCode: created simulation system equations: time 0.0003161/0.3658, allocations: 359.2 kB / 0.5841 GB, free: 120 kB / 0.5105 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006006/0.3664, allocations: 324.3 kB / 0.5844 GB, free: 15.83 MB / 0.5261 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00186/0.3683, allocations: 1.521 MB / 0.5859 GB, free: 14.28 MB / 0.5261 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001213/0.3684, allocations: 202.4 kB / 0.5861 GB, free: 14.05 MB / 0.5261 GB Notification: Performance of simCode: alias equations: time 0.0003884/0.3688, allocations: 189.6 kB / 0.5863 GB, free: 13.88 MB / 0.5261 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005101/0.3693, allocations: 307 kB / 0.5866 GB, free: 13.57 MB / 0.5261 GB Notification: Performance of SimCode: time 9.22e-07/0.3693, allocations: 0 / 0.5866 GB, free: 13.57 MB / 0.5261 GB Notification: Performance of Templates: time 0.01954/0.3888, allocations: 17.01 MB / 0.6032 GB, free: 12.93 MB / 0.5417 GB " [Timeout remaining time 660] make -j1 -f BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.makefile [Timeout 660] (rm -f BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.sim & ./BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.073278313037008]