Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior.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 0.0009914/0.0009914, allocations: 81.95 kB / 21.47 MB, free: 3.035 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 0.001104/0.001104, allocations: 165.7 kB / 24.87 MB, free: 8.883 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 0.9251/0.9251, allocations: 177.1 MB / 205.3 MB, free: 5.48 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.761/1.761, allocations: 359 MB / 0.6063 GB, free: 10.89 MB / 0.573 GB " [Timeout remaining time 178] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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.HeatTransfer.Convection.Examples.Interior,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conCon.Q_flow|conVer.Q_flow|conHorFluTop.Q_flow|conHorSolTop.Q_flow|conHorFluTop.solid.T|conHorFluTop.fluid.T",fileNamePrefix="Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior") translateModel(Buildings.HeatTransfer.Convection.Examples.Interior,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conCon.Q_flow|conVer.Q_flow|conHorFluTop.Q_flow|conHorSolTop.Q_flow|conHorFluTop.solid.T|conHorFluTop.fluid.T",fileNamePrefix="Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.493e-06/1.493e-06, allocations: 0 / 0.7883 GB, free: 12.25 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.801e-05/1.951e-05, allocations: 4.844 kB / 0.7883 GB, free: 12.25 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Convection.Examples.Interior): time 0.002439/0.002458, allocations: 2.464 MB / 0.7907 GB, free: 9.789 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.001237/0.003696, allocations: 0.9788 MB / 0.7916 GB, free: 8.812 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001213/0.003817, allocations: 8 kB / 0.7916 GB, free: 8.805 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 6.402e-05/0.003881, allocations: 35.58 kB / 0.7917 GB, free: 8.77 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.0003349/0.004216, allocations: 147.5 kB / 0.7918 GB, free: 8.625 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002348/0.004451, allocations: 177.3 kB / 0.792 GB, free: 8.453 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.0004131/0.004864, allocations: 390 kB / 0.7924 GB, free: 8.07 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001404/0.005004, allocations: 77.61 kB / 0.7924 GB, free: 7.996 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002045/0.005209, allocations: 219.5 kB / 0.7926 GB, free: 7.781 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001253/0.005334, allocations: 104.4 kB / 0.7927 GB, free: 7.68 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 2.872e-05/0.005363, allocations: 16 kB / 0.7928 GB, free: 7.664 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 8.5e-05/0.005448, allocations: 60.62 kB / 0.7928 GB, free: 7.605 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 3.083e-05/0.005478, allocations: 51.75 kB / 0.7929 GB, free: 7.555 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 6.183e-05/0.00554, allocations: 92.92 kB / 0.7929 GB, free: 7.465 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.0002244/0.005765, allocations: 219.2 kB / 0.7932 GB, free: 7.25 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 1.893e-06/0.005767, allocations: 0 / 0.7932 GB, free: 7.25 MB / 0.7448 GB Notification: Performance of FrontEnd: time 4.61e-07/0.005767, allocations: 0.7812 kB / 0.7932 GB, free: 7.25 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 4.057e-06/0.005771, allocations: 0 / 0.7932 GB, free: 7.25 MB / 0.7448 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 49 * Number of variables: 49 Notification: Performance of Generate backend data structure: time 0.0005463/0.006317, allocations: 0.5984 MB / 0.7937 GB, free: 6.617 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 3.511e-05/0.006352, allocations: 12.56 kB / 0.7938 GB, free: 6.605 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001161/0.006469, allocations: 48.73 kB / 0.7938 GB, free: 6.559 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002127/0.006681, allocations: 221.2 kB / 0.794 GB, free: 6.316 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.685e-05/0.006698, allocations: 16.88 kB / 0.794 GB, free: 6.301 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.493e-05/0.006723, allocations: 20.38 kB / 0.794 GB, free: 6.281 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001654/0.006888, allocations: 142.2 kB / 0.7942 GB, free: 6.137 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.616e-06/0.006897, allocations: 192 / 0.7942 GB, free: 6.137 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.409e-05/0.006911, allocations: 13.59 kB / 0.7942 GB, free: 6.125 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.374e-06/0.006919, allocations: 7.938 kB / 0.7942 GB, free: 6.117 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 6.461e-05/0.006983, allocations: 55.42 kB / 0.7943 GB, free: 6.062 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0004571/0.00744, allocations: 0.4928 MB / 0.7947 GB, free: 5.543 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 9.148e-05/0.007532, allocations: 69.44 kB / 0.7948 GB, free: 5.465 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 3.433e-05/0.007566, allocations: 36.38 kB / 0.7948 GB, free: 5.426 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 1.61e-05/0.007582, allocations: 8.812 kB / 0.7948 GB, free: 5.418 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.817e-05/0.0076, allocations: 41.31 kB / 0.7949 GB, free: 5.367 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=13): time 1.092e-06/0.007601, allocations: 0 / 0.7949 GB, free: 5.367 MB / 0.7448 GB Notification: Performance of matching and sorting (n=13): time 0.0001663/0.007768, allocations: 110.3 kB / 0.795 GB, free: 5.254 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.713e-05/0.007795, allocations: 51.41 kB / 0.795 GB, free: 5.191 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001149/0.00791, allocations: 252.8 kB / 0.7953 GB, free: 4.93 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 1.251e-05/0.007922, allocations: 31.06 kB / 0.7953 GB, free: 4.895 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 7.389e-05/0.007996, allocations: 203.2 kB / 0.7955 GB, free: 4.691 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 3.284e-05/0.008029, allocations: 55.52 kB / 0.7956 GB, free: 4.637 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.443e-05/0.008063, allocations: 27.38 kB / 0.7956 GB, free: 4.602 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0001163/0.00818, allocations: 0.5086 MB / 0.7961 GB, free: 4.082 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 3.023e-05/0.00821, allocations: 23.67 kB / 0.7961 GB, free: 4.055 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 1.725e-05/0.008227, allocations: 15 kB / 0.7961 GB, free: 4.043 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 5.045e-05/0.008278, allocations: 39.67 kB / 0.7962 GB, free: 4 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.453e-06/0.008279, allocations: 1.219 kB / 0.7962 GB, free: 4 MB / 0.7448 GB Notification: Performance of matching and sorting (n=13) (initialization): time 9.789e-05/0.008377, allocations: 90.09 kB / 0.7962 GB, free: 3.906 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.084e-05/0.008388, allocations: 4.625 kB / 0.7962 GB, free: 3.902 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.449e-06/0.008392, allocations: 0 / 0.7962 GB, free: 3.902 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.598e-06/0.008402, allocations: 4.969 kB / 0.7963 GB, free: 3.898 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.384e-05/0.008486, allocations: 27.92 kB / 0.7963 GB, free: 3.871 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.266e-06/0.008489, allocations: 6.219 kB / 0.7963 GB, free: 3.867 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 4.41e-05/0.008533, allocations: 15.88 kB / 0.7963 GB, free: 3.852 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.805e-06/0.008541, allocations: 4 kB / 0.7963 GB, free: 3.848 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 6.121e-05/0.008602, allocations: 142.9 kB / 0.7964 GB, free: 3.703 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 1.75e-05/0.00862, allocations: 11 kB / 0.7965 GB, free: 3.695 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 3.711e-05/0.008657, allocations: 35.66 kB / 0.7965 GB, free: 3.656 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.41e-07/0.008657, allocations: 7.219 kB / 0.7965 GB, free: 3.652 MB / 0.7448 GB Notification: Performance of matching and sorting (n=13) (initialization_lambda0): time 7.861e-05/0.008736, allocations: 89.53 kB / 0.7966 GB, free: 3.559 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 5.05e-06/0.008741, allocations: 8 kB / 0.7966 GB, free: 3.551 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.81e-07/0.008742, allocations: 0 / 0.7966 GB, free: 3.551 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.172e-06/0.008743, allocations: 0 / 0.7966 GB, free: 3.551 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.643e-05/0.008789, allocations: 23.98 kB / 0.7966 GB, free: 3.527 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.044e-06/0.008791, allocations: 4 kB / 0.7966 GB, free: 3.523 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 3.572e-05/0.008827, allocations: 11.89 kB / 0.7966 GB, free: 3.512 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.485e-06/0.008829, allocations: 1.125 kB / 0.7966 GB, free: 3.512 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * 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 (13): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 7.694e-05/0.008906, allocations: 276 kB / 0.7969 GB, free: 3.234 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.752e-05/0.008934, allocations: 28.38 kB / 0.7969 GB, free: 3.207 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001144/0.009048, allocations: 109.4 kB / 0.797 GB, free: 3.098 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.405e-06/0.009051, allocations: 4.875 kB / 0.797 GB, free: 3.094 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.443e-06/0.009052, allocations: 0 / 0.797 GB, free: 3.094 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.535e-06/0.009055, allocations: 0.75 kB / 0.797 GB, free: 3.094 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001423/0.009197, allocations: 161.1 kB / 0.7972 GB, free: 2.91 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.01e-07/0.009198, allocations: 1.219 kB / 0.7972 GB, free: 2.91 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.718e-05/0.009245, allocations: 23.98 kB / 0.7972 GB, free: 2.887 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.011e-06/0.009246, allocations: 0 / 0.7972 GB, free: 2.887 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.248e-06/0.00925, allocations: 1.344 kB / 0.7972 GB, free: 2.887 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.71e-07/0.009251, allocations: 0 / 0.7972 GB, free: 2.887 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.42e-07/0.009252, allocations: 0 / 0.7972 GB, free: 2.887 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001293/0.009381, allocations: 263.6 kB / 0.7975 GB, free: 2.609 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 3.833e-05/0.00942, allocations: 28.97 kB / 0.7975 GB, free: 2.582 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.317e-05/0.009433, allocations: 0 / 0.7975 GB, free: 2.582 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 5.134e-05/0.009484, allocations: 8 kB / 0.7975 GB, free: 2.574 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.085e-05/0.009515, allocations: 8.641 kB / 0.7975 GB, free: 2.566 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.296e-06/0.009518, allocations: 1.656 kB / 0.7975 GB, free: 2.566 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 8.464e-05/0.009603, allocations: 185.1 kB / 0.7977 GB, free: 2.383 MB / 0.7448 GB Notification: Performance of sort global known variables: time 7e-08/0.009603, allocations: 0 / 0.7977 GB, free: 2.383 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.0002459/0.009849, allocations: 103.7 kB / 0.7978 GB, free: 2.281 MB / 0.7448 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (13): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0001197/0.009969, allocations: 118.6 kB / 0.7979 GB, free: 2.16 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.0001251/0.01009, allocations: 84.14 kB / 0.798 GB, free: 2.07 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 1.613e-06/0.0101, allocations: 0 / 0.798 GB, free: 2.07 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 3.585e-05/0.01013, allocations: 37.16 kB / 0.798 GB, free: 2.031 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002604/0.01039, allocations: 56.27 kB / 0.7981 GB, free: 1.98 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005753/0.01097, allocations: 397.7 kB / 0.7984 GB, free: 1.562 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 4.476e-05/0.01101, allocations: 81.09 kB / 0.7985 GB, free: 1.465 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 5.69e-05/0.01107, allocations: 26.58 kB / 0.7985 GB, free: 1.441 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.97e-05/0.01115, allocations: 94.19 kB / 0.7986 GB, free: 1.348 MB / 0.7448 GB Notification: Performance of SimCode: time 5.41e-07/0.01115, allocations: 4.5 kB / 0.7986 GB, free: 1.344 MB / 0.7448 GB Notification: Performance of Templates: time 0.004052/0.0152, allocations: 2.35 MB / 0.8009 GB, free: 15.04 MB / 0.7605 GB " [Timeout remaining time 300] make -j1 -f Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior.makefile [Timeout 300] (rm -f Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior.pipe ; mkfifo Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior.pipe ; head -c 1048576 < Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior.pipe >> ../files/Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior.sim & ./Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_11_Buildings.HeatTransfer.Convection.Examples.Interior_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_HeatTransfer_Convection_Examples_Interior.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: 5.072482051793486]