Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo): time 0.05632/0.05632, allocations: 9.129 MB / 28.99 MB, free: 340 kB / 18.57 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 180] 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 0.001086/0.001086, allocations: 87.27 kB / 35.33 MB, free: 0.9375 MB / 24.77 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 0.001217/0.001217, allocations: 165.8 kB / 38.73 MB, free: 2.398 MB / 24.77 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 0.9891/0.9891, allocations: 177.2 MB / 219.2 MB, free: 10.11 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo): time 0.005968/0.005968, allocations: 0.8331 MB / 276.5 MB, free: 0.7383 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo): time 1.764/1.764, allocations: 274.9 MB / 0.5419 GB, free: 0.6094 MB / 0.4949 GB " [Timeout remaining time 178] Using package AixLib with version 3.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo) Using package SDF with version 0.4.5 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/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) Using package Modelica_DeviceDrivers with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo) Running command: translateModel(AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw") translateModel(AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.493e-06/1.493e-06, allocations: 0 / 0.6378 GB, free: 14.15 MB / 0.6043 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.283e-05/2.433e-05, allocations: 2.312 kB / 0.6378 GB, free: 14.14 MB / 0.6043 GB Notification: Performance of NFInst.instantiate(AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw): time 0.03269/0.03271, allocations: 18.41 MB / 0.6558 GB, free: 11.64 MB / 0.6199 GB Notification: Performance of NFInst.instExpressions: time 0.01154/0.04426, allocations: 7.179 MB / 0.6628 GB, free: 4.449 MB / 0.6199 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002317/0.04657, allocations: 99.12 kB / 0.6629 GB, free: 4.352 MB / 0.6199 GB Notification: Performance of NFTyping.typeComponents: time 0.001101/0.04767, allocations: 436.5 kB / 0.6633 GB, free: 3.922 MB / 0.6199 GB Notification: Performance of NFTyping.typeBindings: time 0.00357/0.05124, allocations: 1.733 MB / 0.665 GB, free: 2.18 MB / 0.6199 GB Notification: Performance of NFTyping.typeClassSections: time 0.002708/0.05395, allocations: 1.559 MB / 0.6665 GB, free: 0.6172 MB / 0.6199 GB Notification: Performance of NFFlatten.flatten: time 0.004565/0.05852, allocations: 3.963 MB / 0.6704 GB, free: 12.64 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001263/0.05978, allocations: 1.198 MB / 0.6716 GB, free: 11.39 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002252/0.06203, allocations: 1.991 MB / 0.6735 GB, free: 9.398 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001263/0.06329, allocations: 0.9345 MB / 0.6744 GB, free: 8.461 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0001482/0.06344, allocations: 168 kB / 0.6746 GB, free: 8.297 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009934/0.06444, allocations: 0.6512 MB / 0.6752 GB, free: 7.645 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0002531/0.06469, allocations: 402.4 kB / 0.6756 GB, free: 7.25 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.000451/0.06514, allocations: 0.5962 MB / 0.6762 GB, free: 6.652 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.001582/0.06672, allocations: 1.639 MB / 0.6778 GB, free: 5.008 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 5.2e-06/0.06673, allocations: 4 kB / 0.6778 GB, free: 5.004 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.633e-06/0.06673, allocations: 0 / 0.6778 GB, free: 5.004 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 1.077e-05/0.06674, allocations: 0 / 0.6778 GB, free: 5.004 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 257 * Number of variables: 257 Notification: Performance of Generate backend data structure: time 0.001881/0.06862, allocations: 1.889 MB / 0.6797 GB, free: 3.074 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 3.709e-05/0.06866, allocations: 11.98 kB / 0.6797 GB, free: 3.062 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008066/0.06946, allocations: 392.4 kB / 0.68 GB, free: 2.68 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001121/0.07059, allocations: 0.983 MB / 0.681 GB, free: 1.641 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.355e-05/0.07065, allocations: 82.03 kB / 0.6811 GB, free: 1.559 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.065e-05/0.07074, allocations: 112 kB / 0.6812 GB, free: 1.449 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009846/0.07172, allocations: 0.9864 MB / 0.6821 GB, free: 336 kB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.814e-05/0.07174, allocations: 7.938 kB / 0.6822 GB, free: 328 kB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.552e-05/0.0718, allocations: 44 kB / 0.6822 GB, free: 284 kB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.683e-05/0.07181, allocations: 28 kB / 0.6822 GB, free: 256 kB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.3434/0.4152, allocations: 344.4 kB / 0.6826 GB, free: 38.24 MB / 0.6355 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 0.005226/0.4204, allocations: 4.245 MB / 0.6867 GB, free: 35.96 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001006/0.4214, allocations: 423.4 kB / 0.6871 GB, free: 35.88 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001462/0.4216, allocations: 93.78 kB / 0.6872 GB, free: 35.86 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001677/0.4218, allocations: 63.11 kB / 0.6873 GB, free: 35.86 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.491e-05/0.4218, allocations: 39.19 kB / 0.6873 GB, free: 35.82 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=48): time 3.847e-06/0.4218, allocations: 5.219 kB / 0.6873 GB, free: 35.82 MB / 0.6355 GB Notification: Performance of matching and sorting (n=48): time 0.001645/0.4234, allocations: 0.5575 MB / 0.6878 GB, free: 35.78 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.152e-05/0.4235, allocations: 58.22 kB / 0.6879 GB, free: 35.71 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001229/0.4247, allocations: 0.9511 MB / 0.6888 GB, free: 35.55 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 4.077e-05/0.4247, allocations: 37.23 kB / 0.6889 GB, free: 35.52 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003359/0.4251, allocations: 0.5496 MB / 0.6894 GB, free: 35.27 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001102/0.4252, allocations: 179.8 kB / 0.6896 GB, free: 35.18 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000235/0.4254, allocations: 166.5 kB / 0.6897 GB, free: 35.15 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 5.757e-05/0.4255, allocations: 335.9 kB / 0.69 GB, free: 34.85 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002456/0.4257, allocations: 95.97 kB / 0.6901 GB, free: 34.84 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004364/0.4261, allocations: 0.7173 MB / 0.6908 GB, free: 34.1 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005492/0.4267, allocations: 488.9 kB / 0.6913 GB, free: 33.8 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.636e-06/0.4267, allocations: 2.469 kB / 0.6913 GB, free: 33.8 MB / 0.6355 GB Notification: Performance of matching and sorting (n=91) (initialization): time 0.0008853/0.4276, allocations: 0.4992 MB / 0.6918 GB, free: 33.74 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 2.348e-05/0.4276, allocations: 9.391 kB / 0.6918 GB, free: 33.74 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.66e-05/0.4276, allocations: 14.28 kB / 0.6918 GB, free: 33.74 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005568/0.4282, allocations: 173.9 kB / 0.692 GB, free: 33.73 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004687/0.4287, allocations: 173.3 kB / 0.6921 GB, free: 33.73 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003216/0.429, allocations: 0.5864 MB / 0.6927 GB, free: 33.21 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006819/0.4297, allocations: 131 kB / 0.6928 GB, free: 33.19 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.266e-05/0.4297, allocations: 37.86 kB / 0.6929 GB, free: 33.19 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 36 * 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 (83): * Single equations (assignments): 82 * 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 {(1,8)} Notification: Performance of prepare postOptimizeDAE: time 0.0002557/0.43, allocations: 166.4 kB / 0.693 GB, free: 33.07 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001561/0.4301, allocations: 83.17 kB / 0.6931 GB, free: 33.07 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001074/0.4312, allocations: 0.6422 MB / 0.6937 GB, free: 32.99 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.559e-05/0.4312, allocations: 9.578 kB / 0.6938 GB, free: 32.99 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.467e-06/0.4312, allocations: 0.6562 kB / 0.6938 GB, free: 32.99 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.009e-05/0.4313, allocations: 4.844 kB / 0.6938 GB, free: 32.99 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002158/0.4334, allocations: 1.295 MB / 0.695 GB, free: 32.61 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.232e-06/0.4334, allocations: 3.844 kB / 0.695 GB, free: 32.61 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002188/0.4336, allocations: 74.48 kB / 0.6951 GB, free: 32.61 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004716/0.4341, allocations: 165.9 kB / 0.6953 GB, free: 32.6 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.413e-05/0.4341, allocations: 16.17 kB / 0.6953 GB, free: 32.6 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003936/0.4345, allocations: 0.6083 MB / 0.6959 GB, free: 32.08 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.467e-06/0.4345, allocations: 2.797 kB / 0.6959 GB, free: 32.08 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001092/0.4356, allocations: 0.6596 MB / 0.6965 GB, free: 31.81 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002938/0.4359, allocations: 166 kB / 0.6967 GB, free: 31.74 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001131/0.436, allocations: 13.22 kB / 0.6967 GB, free: 31.74 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003806/0.4364, allocations: 45.27 kB / 0.6967 GB, free: 31.74 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.902e-05/0.4365, allocations: 39.56 kB / 0.6968 GB, free: 31.74 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.259e-05/0.4365, allocations: 19.14 kB / 0.6968 GB, free: 31.74 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0006044/0.4371, allocations: 488.6 kB / 0.6973 GB, free: 31.69 MB / 0.6355 GB Notification: Performance of sort global known variables: time 8e-08/0.4371, allocations: 0 / 0.6973 GB, free: 31.69 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0009866/0.4381, allocations: 394.8 kB / 0.6976 GB, free: 31.66 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * 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 (52): * Single equations (assignments): 41 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * 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 {(1,9)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003498/0.4385, allocations: 206.6 kB / 0.6978 GB, free: 31.59 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.0006906/0.4392, allocations: 370.2 kB / 0.6982 GB, free: 31.57 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 2.609e-05/0.4392, allocations: 14.41 kB / 0.6982 GB, free: 31.57 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.000412/0.4396, allocations: 211.7 kB / 0.6984 GB, free: 31.56 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00142/0.441, allocations: 477.2 kB / 0.6988 GB, free: 31.55 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002869/0.4439, allocations: 2.025 MB / 0.7008 GB, free: 30.53 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002326/0.4441, allocations: 232.7 kB / 0.701 GB, free: 30.44 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0006151/0.4447, allocations: 204.1 kB / 0.7012 GB, free: 30.43 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007739/0.4455, allocations: 421.3 kB / 0.7016 GB, free: 30.36 MB / 0.6355 GB Notification: Performance of SimCode: time 1.312e-06/0.4455, allocations: 2.531 kB / 0.7016 GB, free: 30.36 MB / 0.6355 GB Notification: Performance of Templates: time 0.02867/0.4742, allocations: 23.49 MB / 0.7246 GB, free: 18.29 MB / 0.6355 GB " [Timeout remaining time 660] make -j1 -f AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw.makefile [Timeout 660] (rm -f AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw.pipe ; mkfifo AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw.pipe ; head -c 1048576 < AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw.pipe >> ../files/AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw.sim & ./AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw -abortSlowSimulation -alarm=240 -lv LOG_STATS > AixLib_AixLib.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.621871042996645]