Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.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 0.001597/0.001597, allocations: 79.03 kB / 19.76 MB, free: 2.031 MB / 14.72 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 0.001819/0.001819, allocations: 159.3 kB / 23.01 MB, free: 4.945 MB / 14.72 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 1.417/1.417, allocations: 177.2 MB / 203.4 MB, free: 8.957 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.834/2.834, allocations: 394.2 MB / 0.6386 GB, free: 11.95 MB / 0.6075 GB " [Timeout remaining time 177] Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002379/0.002379, allocations: 67.88 kB / 1.009 GB, free: 14.51 MB / 0.9669 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8614/0.8638, allocations: 181.8 MB / 1.187 GB, free: 16.23 MB / 1.076 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised): time 0.1895/1.053, allocations: 142.4 MB / 1.326 GB, free: 7.426 MB / 1.17 GB Notification: Performance of NFInst.instExpressions: time 0.005349/1.059, allocations: 3.343 MB / 1.329 GB, free: 4.074 MB / 1.17 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003545/1.059, allocations: 19.81 kB / 1.329 GB, free: 4.055 MB / 1.17 GB Notification: Performance of NFTyping.typeComponents: time 0.0006067/1.06, allocations: 158.9 kB / 1.329 GB, free: 3.898 MB / 1.17 GB Notification: Performance of NFTyping.typeBindings: time 0.001611/1.061, allocations: 0.5367 MB / 1.33 GB, free: 3.359 MB / 1.17 GB Notification: Performance of NFTyping.typeClassSections: time 0.00142/1.063, allocations: 445.3 kB / 1.33 GB, free: 2.93 MB / 1.17 GB Notification: Performance of NFFlatten.flatten: time 0.003262/1.066, allocations: 2.57 MB / 1.333 GB, free: 364 kB / 1.17 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002666/1.069, allocations: 1.865 MB / 1.334 GB, free: 14.48 MB / 1.186 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002788/1.071, allocations: 1.238 MB / 1.336 GB, free: 13.23 MB / 1.186 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001318/1.073, allocations: 0.7663 MB / 1.336 GB, free: 12.46 MB / 1.186 GB Notification: Performance of NFPackage.collectConstants: time 0.0001478/1.073, allocations: 60 kB / 1.336 GB, free: 12.41 MB / 1.186 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001404/1.074, allocations: 0.608 MB / 1.337 GB, free: 11.8 MB / 1.186 GB Notification: Performance of NFScalarize.scalarize: time 0.0003902/1.075, allocations: 322.8 kB / 1.337 GB, free: 11.48 MB / 1.186 GB Notification: Performance of NFVerifyModel.verify: time 0.0006973/1.075, allocations: 465.6 kB / 1.338 GB, free: 11.02 MB / 1.186 GB Notification: Performance of NFConvertDAE.convert: time 0.002147/1.077, allocations: 1.436 MB / 1.339 GB, free: 9.586 MB / 1.186 GB Notification: Performance of FrontEnd - DAE generated: time 6.151e-06/1.077, allocations: 4 kB / 1.339 GB, free: 9.582 MB / 1.186 GB Notification: Performance of FrontEnd: time 1.924e-06/1.077, allocations: 0 / 1.339 GB, free: 9.582 MB / 1.186 GB Notification: Performance of Transformations before backend: time 2.084e-05/1.077, allocations: 0 / 1.339 GB, free: 9.582 MB / 1.186 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 125 * Number of variables: 125 Notification: Performance of Generate backend data structure: time 0.002807/1.08, allocations: 1.441 MB / 1.341 GB, free: 8.098 MB / 1.186 GB Notification: Performance of prepare preOptimizeDAE: time 4.727e-05/1.08, allocations: 12.03 kB / 1.341 GB, free: 8.086 MB / 1.186 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008408/1.081, allocations: 207 kB / 1.341 GB, free: 7.883 MB / 1.186 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001666/1.083, allocations: 0.8254 MB / 1.342 GB, free: 7.004 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.834e-05/1.083, allocations: 45 kB / 1.342 GB, free: 6.961 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.683e-05/1.083, allocations: 56 kB / 1.342 GB, free: 6.906 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001405/1.084, allocations: 0.8555 MB / 1.343 GB, free: 5.973 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.25e-05/1.084, allocations: 7.938 kB / 1.343 GB, free: 5.965 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.544e-05/1.084, allocations: 20 kB / 1.343 GB, free: 5.945 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.474e-05/1.084, allocations: 12 kB / 1.343 GB, free: 5.934 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001029/1.086, allocations: 0.5656 MB / 1.343 GB, free: 5.367 MB / 1.186 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004268/1.09, allocations: 3.413 MB / 1.346 GB, free: 1.844 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008084/1.091, allocations: 414.1 kB / 1.347 GB, free: 1.43 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005139/1.091, allocations: 302.1 kB / 1.347 GB, free: 1.133 MB / 1.186 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002431/1.091, allocations: 44 kB / 1.347 GB, free: 1.09 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006219/1.092, allocations: 353.2 kB / 1.348 GB, free: 0.7188 MB / 1.186 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0002278/1.092, allocations: 24.06 kB / 1.348 GB, free: 0.6953 MB / 1.186 GB Notification: Performance of pre-optimization done (n=33): time 3.928e-06/1.092, allocations: 3.984 kB / 1.348 GB, free: 0.6914 MB / 1.186 GB Notification: Performance of matching and sorting (n=33): time 0.001544/1.094, allocations: 0.6939 MB / 1.348 GB, free: 15.99 MB / 1.201 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.058e-05/1.094, allocations: 89.11 kB / 1.348 GB, free: 15.88 MB / 1.201 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001421/1.095, allocations: 1.073 MB / 1.349 GB, free: 14.79 MB / 1.201 GB Notification: Performance of collectPreVariables (initialization): time 5.354e-05/1.095, allocations: 37.7 kB / 1.349 GB, free: 14.75 MB / 1.201 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004924/1.096, allocations: 0.4888 MB / 1.35 GB, free: 14.25 MB / 1.201 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001197/1.096, allocations: 123 kB / 1.35 GB, free: 14.13 MB / 1.201 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001847/1.096, allocations: 106.1 kB / 1.35 GB, free: 14.02 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001539/1.096, allocations: 333.9 kB / 1.35 GB, free: 13.69 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004644/1.097, allocations: 260.4 kB / 1.351 GB, free: 13.43 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001062/1.098, allocations: 1.148 MB / 1.352 GB, free: 12 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001043/1.099, allocations: 0.6785 MB / 1.352 GB, free: 11.24 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.301e-05/1.099, allocations: 8.109 kB / 1.352 GB, free: 11.23 MB / 1.201 GB Notification: Performance of matching and sorting (n=56) (initialization): time 0.001462/1.1, allocations: 0.8009 MB / 1.353 GB, free: 10.41 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 4.307e-05/1.1, allocations: 37.73 kB / 1.353 GB, free: 10.37 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.829e-06/1.1, allocations: 4 kB / 1.353 GB, free: 10.37 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.194e-05/1.1, allocations: 8 kB / 1.353 GB, free: 10.36 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005568/1.101, allocations: 119.8 kB / 1.353 GB, free: 10.24 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.382e-05/1.101, allocations: 8 kB / 1.353 GB, free: 10.23 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007699/1.102, allocations: 59.92 kB / 1.353 GB, free: 10.18 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.531e-05/1.102, allocations: 24 kB / 1.353 GB, free: 10.15 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008467/1.103, allocations: 0.5531 MB / 1.354 GB, free: 9.586 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001022/1.104, allocations: 1.117 MB / 1.355 GB, free: 8.188 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009109/1.105, allocations: 0.5996 MB / 1.356 GB, free: 7.508 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.012e-06/1.105, allocations: 4 kB / 1.356 GB, free: 7.504 MB / 1.201 GB Notification: Performance of matching and sorting (n=56) (initialization_lambda0): time 0.001286/1.106, allocations: 0.7112 MB / 1.356 GB, free: 6.773 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 3.784e-05/1.106, allocations: 33.7 kB / 1.356 GB, free: 6.734 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.592e-06/1.106, allocations: 8.656 kB / 1.356 GB, free: 6.727 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.204e-05/1.106, allocations: 8 kB / 1.356 GB, free: 6.719 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004984/1.106, allocations: 111.8 kB / 1.357 GB, free: 6.609 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.145e-05/1.106, allocations: 11.98 kB / 1.357 GB, free: 6.598 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007975/1.107, allocations: 68.25 kB / 1.357 GB, free: 6.531 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.578e-05/1.107, allocations: 31.98 kB / 1.357 GB, free: 6.5 MB / 1.201 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (55): * Single equations (assignments): 54 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0002429/1.107, allocations: 216 kB / 1.357 GB, free: 6.281 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001476/1.108, allocations: 107.3 kB / 1.357 GB, free: 6.176 MB / 1.201 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00108/1.109, allocations: 0.5343 MB / 1.358 GB, free: 5.637 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.075e-06/1.109, allocations: 4 kB / 1.358 GB, free: 5.633 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.679e-06/1.109, allocations: 0 / 1.358 GB, free: 5.633 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.156e-06/1.109, allocations: 7.984 kB / 1.358 GB, free: 5.625 MB / 1.201 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002297/1.111, allocations: 1.347 MB / 1.359 GB, free: 4.219 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.945e-06/1.111, allocations: 7.984 kB / 1.359 GB, free: 4.211 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004069/1.111, allocations: 67.89 kB / 1.359 GB, free: 4.145 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.043e-06/1.111, allocations: 8.156 kB / 1.359 GB, free: 4.137 MB / 1.201 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.05e-05/1.111, allocations: 19.92 kB / 1.359 GB, free: 4.117 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.1e-06/1.111, allocations: 4 kB / 1.359 GB, free: 4.113 MB / 1.201 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.691e-06/1.111, allocations: 7.922 kB / 1.359 GB, free: 4.105 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001012/1.113, allocations: 0.6518 MB / 1.36 GB, free: 3.418 MB / 1.201 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003695/1.113, allocations: 151.3 kB / 1.36 GB, free: 3.27 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.98e-05/1.113, allocations: 11.94 kB / 1.36 GB, free: 3.258 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005783/1.114, allocations: 39.94 kB / 1.36 GB, free: 3.219 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001022/1.114, allocations: 35.89 kB / 1.36 GB, free: 3.184 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.241e-05/1.114, allocations: 16 kB / 1.36 GB, free: 3.168 MB / 1.201 GB Notification: Performance of sorting global known variables: time 0.001024/1.115, allocations: 0.7479 MB / 1.361 GB, free: 2.41 MB / 1.201 GB Notification: Performance of sort global known variables: time 8e-08/1.115, allocations: 0 / 1.361 GB, free: 2.41 MB / 1.201 GB Notification: Performance of remove unused functions: time 0.001245/1.116, allocations: 451.3 kB / 1.361 GB, free: 1.969 MB / 1.201 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (33): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.0003242/1.116, allocations: 155 kB / 1.361 GB, free: 1.805 MB / 1.201 GB Notification: Performance of simCode: created initialization part: time 0.001617/1.118, allocations: 0.9255 MB / 1.362 GB, free: 0.8438 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 3.346e-06/1.118, allocations: 4.188 kB / 1.362 GB, free: 0.8398 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.0004167/1.118, allocations: 216.3 kB / 1.362 GB, free: 0.6289 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001889/1.12, allocations: 420.8 kB / 1.363 GB, free: 224 kB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00297/1.123, allocations: 1.786 MB / 1.364 GB, free: 14.37 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006525/1.124, allocations: 0.5952 MB / 1.365 GB, free: 13.74 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.001022/1.125, allocations: 415.3 kB / 1.365 GB, free: 13.33 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002023/1.125, allocations: 76.48 kB / 1.365 GB, free: 13.25 MB / 1.217 GB Notification: Performance of SimCode: time 9.52e-07/1.125, allocations: 0 / 1.365 GB, free: 13.25 MB / 1.217 GB Notification: Performance of Templates: time 0.03207/1.157, allocations: 17.46 MB / 1.382 GB, free: 12.16 MB / 1.232 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.pipe >> ../files/Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.sim & ./Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised -abortSlowSimulation -alarm=800 -s ida -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Examples_Performance_PressureDrop_ParallelDpOptimised.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDpOptimised.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 9.294167713960633]