Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001963/0.001963, allocations: 113 kB / 17.6 MB, free: 4.684 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002363/0.002363, allocations: 186.8 kB / 20.78 MB, free: 1.52 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.527/1.527, allocations: 225.6 MB / 249.4 MB, free: 3.105 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.633/2.633, allocations: 443.5 MB / 0.7304 GB, free: 13.81 MB / 0.5762 GB " [Timeout remaining time 177] Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Fluid.Movers.Examples.PumpsSeries,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|floMac1.y|floMac1.dp|floMac2.dp|floMac1.m_flow|floMac2.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries") translateModel(Buildings.Fluid.Movers.Examples.PumpsSeries,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|floMac1.y|floMac1.dp|floMac2.dp|floMac1.m_flow|floMac2.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002208/0.002208, allocations: 67.89 kB / 1.059 GB, free: 312 kB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3425/0.3447, allocations: 160.7 MB / 1.216 GB, free: 15.28 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Examples.PumpsSeries): time 0.6978/1.043, allocations: 52.35 MB / 1.267 GB, free: 8.703 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.02534/1.068, allocations: 18.3 MB / 1.285 GB, free: 8.379 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006199/1.074, allocations: 78.28 kB / 1.285 GB, free: 8.379 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.006562/1.081, allocations: 1.937 MB / 1.287 GB, free: 8.32 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.01132/1.092, allocations: 2.825 MB / 1.29 GB, free: 7.672 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.007157/1.099, allocations: 2.138 MB / 1.292 GB, free: 7.508 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.0243/1.123, allocations: 14.28 MB / 1.306 GB, free: 3.98 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003288/1.127, allocations: 1.413 MB / 1.307 GB, free: 3.289 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005416/1.132, allocations: 1.984 MB / 1.309 GB, free: 2.461 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003257/1.135, allocations: 1.594 MB / 1.311 GB, free: 1.852 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0008786/1.136, allocations: 214.5 kB / 1.311 GB, free: 1.852 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005791/1.142, allocations: 1.947 MB / 1.313 GB, free: 1.32 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.001574/1.144, allocations: 0.9191 MB / 1.314 GB, free: 0.9062 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.003347/1.147, allocations: 1.382 MB / 1.315 GB, free: 24 kB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01116/1.158, allocations: 4.471 MB / 1.319 GB, free: 14.48 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 5.57e-06/1.158, allocations: 3.938 kB / 1.319 GB, free: 14.48 MB / 1.014 GB Notification: Performance of FrontEnd: time 2.134e-06/1.158, allocations: 0 / 1.319 GB, free: 14.48 MB / 1.014 GB Notification: Performance of Transformations before backend: time 0.0001108/1.158, allocations: 1.125 kB / 1.319 GB, free: 14.48 MB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 255 * Number of variables: 255 Notification: Performance of Generate backend data structure: time 0.009285/1.168, allocations: 3.258 MB / 1.323 GB, free: 12.35 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 5.033e-05/1.168, allocations: 9.375 kB / 1.323 GB, free: 12.35 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005829/1.173, allocations: 0.9405 MB / 1.324 GB, free: 12.14 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009426/1.183, allocations: 3.537 MB / 1.327 GB, free: 10.55 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001364/1.183, allocations: 96.58 kB / 1.327 GB, free: 10.5 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003868/1.183, allocations: 110 kB / 1.327 GB, free: 10.47 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003326/1.187, allocations: 1.483 MB / 1.329 GB, free: 9.859 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.062e-05/1.187, allocations: 5.438 kB / 1.329 GB, free: 9.855 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001293/1.187, allocations: 45.94 kB / 1.329 GB, free: 9.82 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5e-05/1.187, allocations: 41.56 kB / 1.329 GB, free: 9.812 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003403/1.19, allocations: 1.321 MB / 1.33 GB, free: 9.395 MB / 1.014 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 0.0123/1.203, allocations: 6.946 MB / 1.337 GB, free: 3.953 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003215/1.206, allocations: 1.092 MB / 1.338 GB, free: 3.371 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001198/1.207, allocations: 472.5 kB / 1.338 GB, free: 3.152 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00501/1.212, allocations: 2.73 MB / 1.341 GB, free: 0.832 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.391e-05/1.212, allocations: 50.73 kB / 1.341 GB, free: 0.7773 MB / 1.014 GB Notification: Performance of pre-optimization done (n=60): time 2.845e-06/1.212, allocations: 0 / 1.341 GB, free: 0.7773 MB / 1.014 GB Notification: Performance of matching and sorting (n=60): time 0.005415/1.217, allocations: 1.728 MB / 1.343 GB, free: 15.89 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.084e-05/1.218, allocations: 58.31 kB / 1.343 GB, free: 15.83 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004824/1.222, allocations: 2.594 MB / 1.345 GB, free: 14.41 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 0.0002258/1.223, allocations: 39.64 kB / 1.345 GB, free: 14.37 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.00104/1.224, allocations: 1.031 MB / 1.346 GB, free: 13.48 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003186/1.224, allocations: 232.6 kB / 1.347 GB, free: 13.29 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007234/1.225, allocations: 446 kB / 1.347 GB, free: 13.04 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001417/1.225, allocations: 301.1 kB / 1.347 GB, free: 12.75 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002135/1.227, allocations: 1.142 MB / 1.348 GB, free: 12.19 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002834/1.23, allocations: 1.548 MB / 1.35 GB, free: 11.16 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004556/1.234, allocations: 2.457 MB / 1.352 GB, free: 9.773 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.073e-05/1.234, allocations: 2.75 kB / 1.352 GB, free: 9.773 MB / 1.029 GB Notification: Performance of matching and sorting (n=238) (initialization): time 0.006567/1.241, allocations: 3.062 MB / 1.355 GB, free: 8.285 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 3.379e-05/1.241, allocations: 16.72 kB / 1.355 GB, free: 8.277 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.826e-05/1.241, allocations: 8.594 kB / 1.355 GB, free: 8.277 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005442/1.241, allocations: 147.6 kB / 1.356 GB, free: 8.215 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001445/1.243, allocations: 362.6 kB / 1.356 GB, free: 8.121 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007094/1.244, allocations: 0.664 MB / 1.356 GB, free: 7.523 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002913/1.247, allocations: 219 kB / 1.357 GB, free: 7.383 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002412/1.247, allocations: 102.9 kB / 1.357 GB, free: 7.355 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003395/1.25, allocations: 1.502 MB / 1.358 GB, free: 6.531 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002111/1.252, allocations: 1.348 MB / 1.36 GB, free: 5.594 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003375/1.256, allocations: 2.095 MB / 1.362 GB, free: 4.359 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.21e-06/1.256, allocations: 2.656 kB / 1.362 GB, free: 4.359 MB / 1.029 GB Notification: Performance of matching and sorting (n=238) (initialization_lambda0): time 0.00549/1.261, allocations: 2.717 MB / 1.364 GB, free: 3.027 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.835e-05/1.261, allocations: 7.656 kB / 1.364 GB, free: 3.027 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.53e-05/1.261, allocations: 8.531 kB / 1.364 GB, free: 3.027 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009371/1.262, allocations: 207.9 kB / 1.365 GB, free: 2.945 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001337/1.263, allocations: 347.2 kB / 1.365 GB, free: 2.859 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006375/1.27, allocations: 3.505 MB / 1.368 GB, free: 15.57 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002697/1.273, allocations: 187.1 kB / 1.368 GB, free: 15.39 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002257/1.273, allocations: 79.97 kB / 1.369 GB, free: 15.31 MB / 1.045 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (167): * Single equations (assignments): 162 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.0004889/1.273, allocations: 252.5 kB / 1.369 GB, free: 15.06 MB / 1.045 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005221/1.274, allocations: 242.3 kB / 1.369 GB, free: 14.82 MB / 1.045 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004143/1.278, allocations: 1.572 MB / 1.371 GB, free: 13.25 MB / 1.045 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.487e-05/1.278, allocations: 15.98 kB / 1.371 GB, free: 13.23 MB / 1.045 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.785e-06/1.278, allocations: 0 / 1.371 GB, free: 13.23 MB / 1.045 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.136e-06/1.278, allocations: 0 / 1.371 GB, free: 13.23 MB / 1.045 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007361/1.285, allocations: 3.098 MB / 1.374 GB, free: 10.07 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.562e-06/1.285, allocations: 0 / 1.374 GB, free: 10.07 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009723/1.286, allocations: 159.9 kB / 1.374 GB, free: 9.914 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003669/1.287, allocations: 124 kB / 1.374 GB, free: 9.793 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.855e-05/1.287, allocations: 31.97 kB / 1.374 GB, free: 9.762 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005494/1.287, allocations: 0.6304 MB / 1.374 GB, free: 9.105 MB / 1.045 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.234e-06/1.287, allocations: 4.031 kB / 1.374 GB, free: 9.102 MB / 1.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005127/1.292, allocations: 2.148 MB / 1.377 GB, free: 6.926 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001055/1.294, allocations: 451.1 kB / 1.377 GB, free: 6.465 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002769/1.294, allocations: 16 kB / 1.377 GB, free: 6.449 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001147/1.295, allocations: 71.92 kB / 1.377 GB, free: 6.379 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001239/1.295, allocations: 48.5 kB / 1.377 GB, free: 6.332 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001139/1.295, allocations: 59.89 kB / 1.377 GB, free: 6.273 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.002909/1.298, allocations: 1.723 MB / 1.379 GB, free: 4.547 MB / 1.045 GB Notification: Performance of sort global known variables: time 1.1e-07/1.298, allocations: 0 / 1.379 GB, free: 4.547 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.003771/1.302, allocations: 1.216 MB / 1.38 GB, free: 3.328 MB / 1.045 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 4 (floMac1.filter.s[1],floMac1.filter.s[2],floMac2.filter.s[1],floMac2.filter.s[2]) * 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 (67): * Single equations (assignments): 60 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 {(1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00192/1.304, allocations: 0.7182 MB / 1.381 GB, free: 2.641 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 0.006867/1.311, allocations: 3.209 MB / 1.384 GB, free: 15.42 MB / 1.061 GB Notification: Performance of simCode: created event and clocks part: time 8.145e-06/1.311, allocations: 5 kB / 1.384 GB, free: 15.42 MB / 1.061 GB Notification: Performance of simCode: created simulation system equations: time 0.001534/1.312, allocations: 0.5344 MB / 1.384 GB, free: 14.89 MB / 1.061 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005363/1.318, allocations: 1.159 MB / 1.386 GB, free: 13.77 MB / 1.061 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008707/1.326, allocations: 4.177 MB / 1.39 GB, free: 9.547 MB / 1.061 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001702/1.328, allocations: 1.716 MB / 1.391 GB, free: 7.797 MB / 1.061 GB Notification: Performance of simCode: alias equations: time 0.002765/1.331, allocations: 0.6583 MB / 1.392 GB, free: 7.137 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005627/1.331, allocations: 191.3 kB / 1.392 GB, free: 6.949 MB / 1.061 GB Notification: Performance of SimCode: time 1.553e-06/1.331, allocations: 0 / 1.392 GB, free: 6.949 MB / 1.061 GB Notification: Performance of Templates: time 0.09475/1.426, allocations: 52.93 MB / 1.444 GB, free: 2.691 MB / 1.107 GB " [Timeout remaining time 299] make -j1 -f Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.makefile [Timeout 300] (rm -f Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe ; mkfifo Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe >> ../files/Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.sim & ./Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Movers_Examples_PumpsSeries.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Movers.Examples.PumpsSeries.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: 11.03959628380835]