Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor.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 0.001684/0.001684, allocations: 87.58 kB / 20.45 MB, free: 4.117 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 0.001766/0.001766, allocations: 161 kB / 23.82 MB, free: 0.75 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 1.053/1.053, allocations: 177.1 MB / 204.2 MB, free: 5.266 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 1.881/1.881, allocations: 359 MB / 0.6052 GB, free: 11.02 MB / 0.573 GB " [Timeout remaining time 177] 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.Controls.OBC.CDL.Routing.Validation.BooleanExtractor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|extIndBoo.u.[0-9,]+.|extIndBoo.index|extIndBoo.y|extIndBoo1.index|extIndBoo1.y|extIndBoo2.index|extIndBoo2.y|extIndBoo3.index|extIndBoo3.y|extIndBoo4.index|extIndBoo4.y",fileNamePrefix="Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor") translateModel(Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|extIndBoo.u.[0-9,]+.|extIndBoo.index|extIndBoo.y|extIndBoo1.index|extIndBoo1.y|extIndBoo2.index|extIndBoo2.y|extIndBoo3.index|extIndBoo3.y|extIndBoo4.index|extIndBoo4.y",fileNamePrefix="Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 5.019e-06/5.019e-06, allocations: 0 / 0.7871 GB, free: 12.49 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.63e-05/4.132e-05, allocations: 4.984 kB / 0.7871 GB, free: 12.48 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor): time 0.002112/0.002153, allocations: 1.038 MB / 0.7881 GB, free: 11.46 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.002045/0.004198, allocations: 1.507 MB / 0.7896 GB, free: 9.941 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001236/0.004321, allocations: 4.938 kB / 0.7896 GB, free: 9.938 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.0001568/0.004478, allocations: 31.61 kB / 0.7896 GB, free: 9.906 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.0001002/0.004578, allocations: 48.25 kB / 0.7897 GB, free: 9.859 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.001089/0.005667, allocations: 460.4 kB / 0.7901 GB, free: 9.41 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.0006299/0.006297, allocations: 0.5085 MB / 0.7906 GB, free: 8.902 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002607/0.006558, allocations: 88.14 kB / 0.7907 GB, free: 8.82 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004084/0.006966, allocations: 288.5 kB / 0.791 GB, free: 8.539 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000241/0.007207, allocations: 151.6 kB / 0.7911 GB, free: 8.391 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 7.244e-05/0.00728, allocations: 48.72 kB / 0.7911 GB, free: 8.344 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001282/0.007408, allocations: 67.92 kB / 0.7912 GB, free: 8.277 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 8.644e-05/0.007494, allocations: 65.03 kB / 0.7913 GB, free: 8.215 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.00017/0.007664, allocations: 155.7 kB / 0.7914 GB, free: 8.062 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.0005041/0.008168, allocations: 386.9 kB / 0.7918 GB, free: 7.684 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 6.222e-06/0.008175, allocations: 0 / 0.7918 GB, free: 7.684 MB / 0.7448 GB Notification: Performance of FrontEnd: time 2.625e-06/0.008177, allocations: 4.438 kB / 0.7918 GB, free: 7.68 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 8.567e-06/0.008186, allocations: 2.844 kB / 0.7918 GB, free: 7.68 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: 45 * Number of variables: 45 Notification: Performance of Generate backend data structure: time 0.0009169/0.009103, allocations: 0.725 MB / 0.7925 GB, free: 6.887 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 5.753e-05/0.00916, allocations: 12.03 kB / 0.7925 GB, free: 6.875 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001346/0.009295, allocations: 56.75 kB / 0.7926 GB, free: 6.82 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000653/0.009948, allocations: 284.6 kB / 0.7928 GB, free: 6.516 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.273e-05/0.009991, allocations: 22.12 kB / 0.7929 GB, free: 6.496 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.83e-05/0.01005, allocations: 40.36 kB / 0.7929 GB, free: 6.457 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003495/0.0104, allocations: 334 kB / 0.7932 GB, free: 6.09 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.269e-05/0.01041, allocations: 4.719 kB / 0.7932 GB, free: 6.086 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.254e-05/0.01043, allocations: 8.359 kB / 0.7932 GB, free: 6.078 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.325e-05/0.01045, allocations: 12.66 kB / 0.7932 GB, free: 6.066 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001358/0.01058, allocations: 100.9 kB / 0.7933 GB, free: 5.973 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009628/0.01155, allocations: 0.6709 MB / 0.794 GB, free: 5.262 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002117/0.01176, allocations: 139.6 kB / 0.7941 GB, free: 5.113 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001062/0.01186, allocations: 100.2 kB / 0.7942 GB, free: 5.012 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 1.25e-05/0.01188, allocations: 4 kB / 0.7942 GB, free: 5.008 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002879/0.01216, allocations: 339.4 kB / 0.7946 GB, free: 4.625 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=28): time 2.204e-06/0.01217, allocations: 1.375 kB / 0.7946 GB, free: 4.625 MB / 0.7448 GB Notification: Performance of matching and sorting (n=28): time 0.0005317/0.0127, allocations: 359.2 kB / 0.7949 GB, free: 4.27 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.564e-05/0.01276, allocations: 110.8 kB / 0.795 GB, free: 4.137 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002415/0.013, allocations: 324.1 kB / 0.7953 GB, free: 3.805 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.0001567/0.01316, allocations: 43.52 kB / 0.7954 GB, free: 3.758 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.000126/0.01329, allocations: 207.5 kB / 0.7956 GB, free: 3.547 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 4.729e-05/0.01333, allocations: 67.53 kB / 0.7956 GB, free: 3.48 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001804/0.01352, allocations: 143.3 kB / 0.7958 GB, free: 3.332 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0001512/0.01367, allocations: 0.5157 MB / 0.7963 GB, free: 2.805 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003242/0.01399, allocations: 285.1 kB / 0.7965 GB, free: 2.504 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003583/0.01435, allocations: 499.8 kB / 0.797 GB, free: 1.914 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005649/0.01491, allocations: 0.4887 MB / 0.7975 GB, free: 1.344 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.999e-06/0.01492, allocations: 4 kB / 0.7975 GB, free: 1.34 MB / 0.7448 GB Notification: Performance of matching and sorting (n=53) (initialization): time 0.001017/0.01594, allocations: 0.8042 MB / 0.7983 GB, free: 496 kB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 8.688e-05/0.01603, allocations: 122.8 kB / 0.7984 GB, free: 348 kB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.102e-05/0.01604, allocations: 4.531 kB / 0.7984 GB, free: 344 kB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.429e-05/0.01606, allocations: 4 kB / 0.7984 GB, free: 340 kB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.547e-05/0.01615, allocations: 28.58 kB / 0.7984 GB, free: 312 kB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.374e-05/0.01616, allocations: 11.98 kB / 0.7984 GB, free: 300 kB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003245/0.01649, allocations: 101.8 kB / 0.7985 GB, free: 200 kB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.03e-05/0.01657, allocations: 76.69 kB / 0.7986 GB, free: 124 kB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * Number of states: 0 () * Number of discrete variables: 45 ($whenCondition7,$whenCondition8,$whenCondition5,$whenCondition6,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,conInt.y,con.y,con1.y,extIndBoo.u[4],extIndBoo.u[1],extIndBoo1.u[4],extIndBoo2.u[4],extIndBoo3.u[4],extIndBoo4.u[4],extIndBoo1.u[1],extIndBoo2.u[1],extIndBoo3.u[1],extIndBoo4.u[1],intPul1.booPul.y,$PRE.intPul1.booPul.y,intPul1.y,intPul.booPul.y,$PRE.intPul.booPul.y,intPul.y,booPul1.y,$PRE.booPul1.y,booPul.y,$PRE.booPul.y,extIndBoo4.y,extIndBoo4.u[3],extIndBoo4.u[2],extIndBoo3.y,extIndBoo3.u[3],extIndBoo3.u[2],extIndBoo2.y,extIndBoo2.u[3],extIndBoo2.u[2],extIndBoo1.y,extIndBoo1.u[3],extIndBoo1.u[2],extIndBoo.u[3],extIndBoo.u[2]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (45): * Single equations (assignments): 41 * Array equations: 0 * Algorithm blocks: 4 * 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 0.0002037/0.01677, allocations: 207.1 kB / 0.7988 GB, free: 15.91 MB / 0.7605 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.6e-05/0.01682, allocations: 47.73 kB / 0.7989 GB, free: 15.87 MB / 0.7605 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000409/0.01723, allocations: 303.5 kB / 0.7991 GB, free: 15.57 MB / 0.7605 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.783e-06/0.01723, allocations: 7.984 kB / 0.7991 GB, free: 15.56 MB / 0.7605 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.08e-06/0.01724, allocations: 0 / 0.7991 GB, free: 15.56 MB / 0.7605 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.132e-06/0.01724, allocations: 0 / 0.7991 GB, free: 15.56 MB / 0.7605 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007476/0.01799, allocations: 0.6467 MB / 0.7998 GB, free: 14.87 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.018e-06/0.018, allocations: 5.125 kB / 0.7998 GB, free: 14.86 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.496e-05/0.01806, allocations: 19.98 kB / 0.7998 GB, free: 14.84 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.318e-06/0.01806, allocations: 0 / 0.7998 GB, free: 14.84 MB / 0.7605 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.583e-05/0.01808, allocations: 13.06 kB / 0.7998 GB, free: 14.83 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.907e-06/0.01808, allocations: 0 / 0.7998 GB, free: 14.83 MB / 0.7605 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.657e-06/0.01809, allocations: 0 / 0.7998 GB, free: 14.83 MB / 0.7605 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003892/0.01848, allocations: 447.1 kB / 0.8002 GB, free: 14.38 MB / 0.7605 GB Notification: Performance of postOpt removeConstants (simulation): time 3.238e-05/0.01851, allocations: 27.81 kB / 0.8003 GB, free: 14.35 MB / 0.7605 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.423e-05/0.01853, allocations: 11.88 kB / 0.8003 GB, free: 14.34 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 7.738e-05/0.01861, allocations: 13.83 kB / 0.8003 GB, free: 14.33 MB / 0.7605 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.284e-05/0.01866, allocations: 19.97 kB / 0.8003 GB, free: 14.31 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.691e-05/0.01868, allocations: 15.98 kB / 0.8003 GB, free: 14.29 MB / 0.7605 GB Notification: Performance of sorting global known variables: time 0.0001228/0.0188, allocations: 201.1 kB / 0.8005 GB, free: 14.1 MB / 0.7605 GB Notification: Performance of sort global known variables: time 7e-08/0.0188, allocations: 0 / 0.8005 GB, free: 14.1 MB / 0.7605 GB Notification: Performance of remove unused functions: time 0.0003235/0.01913, allocations: 92.88 kB / 0.8006 GB, free: 14.01 MB / 0.7605 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 32 (extIndBoo.u[2],extIndBoo.u[3],$cse1,$cse2,$cse3,$cse4,$whenCondition7,$whenCondition8,$whenCondition5,$whenCondition6,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,extIndBoo1.u[2],extIndBoo1.u[3],extIndBoo1.y,extIndBoo2.u[2],extIndBoo2.u[3],extIndBoo2.y,extIndBoo3.u[2],extIndBoo3.u[3],extIndBoo3.y,extIndBoo4.u[2],extIndBoo4.u[3],extIndBoo4.y,booPul.y,booPul1.y,intPul.y,intPul.booPul.y,intPul1.y,intPul1.booPul.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (32): * Single equations (assignments): 28 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * 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 0.0002078/0.01934, allocations: 122.9 kB / 0.8007 GB, free: 13.88 MB / 0.7605 GB Notification: Performance of simCode: created initialization part: time 0.0006321/0.01997, allocations: 0.6857 MB / 0.8014 GB, free: 13.12 MB / 0.7605 GB Notification: Performance of simCode: created event and clocks part: time 2.445e-06/0.01997, allocations: 3.438 kB / 0.8014 GB, free: 13.12 MB / 0.7605 GB Notification: Performance of simCode: created simulation system equations: time 0.0001213/0.02009, allocations: 131.5 kB / 0.8015 GB, free: 12.99 MB / 0.7605 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003451/0.02044, allocations: 65.8 kB / 0.8016 GB, free: 12.93 MB / 0.7605 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0006986/0.02113, allocations: 492.3 kB / 0.8021 GB, free: 12.42 MB / 0.7605 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002033/0.02134, allocations: 89.62 kB / 0.8021 GB, free: 12.32 MB / 0.7605 GB Notification: Performance of simCode: alias equations: time 0.0001258/0.02146, allocations: 65.17 kB / 0.8022 GB, free: 12.25 MB / 0.7605 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.377e-05/0.02152, allocations: 32.48 kB / 0.8022 GB, free: 12.22 MB / 0.7605 GB Notification: Performance of SimCode: time 1.423e-06/0.02152, allocations: 0 / 0.8022 GB, free: 12.22 MB / 0.7605 GB Notification: Performance of Templates: time 0.009128/0.03065, allocations: 5.366 MB / 0.8075 GB, free: 6.988 MB / 0.7605 GB " [Timeout remaining time 300] make -j1 -f Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor.pipe ; mkfifo Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor.pipe ; head -c 1048576 < Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor.pipe >> ../files/Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor.sim & ./Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.CDL.Routing.Validation.BooleanExtractor_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_CDL_Routing_Validation_BooleanExtractor.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: 6.053477814886719]