Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.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 0.002478/0.002478, allocations: 85.48 kB / 19.44 MB, free: 344 kB / 13.93 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 0.003071/0.003071, allocations: 177.2 kB / 22.76 MB, free: 1.66 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 1.65/1.65, allocations: 177.1 MB / 203.1 MB, free: 5.602 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.003218/0.003218, allocations: 237.4 kB / 259.8 MB, free: 12.84 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.173/1.173, allocations: 138.4 MB / 454.7 MB, free: 1.469 MB / 362.7 MB " [Timeout remaining time 179] Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 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(BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface") translateModel(BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.362e-06/1.362e-06, allocations: 0 / 0.5543 GB, free: 0.8281 MB / 474.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.869e-05/3.006e-05, allocations: 2.312 kB / 0.5543 GB, free: 0.8242 MB / 474.7 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface): time 0.004111/0.004141, allocations: 2.282 MB / 0.5566 GB, free: 14.52 MB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.007716/0.01186, allocations: 3.707 MB / 0.5602 GB, free: 10.8 MB / 490.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003445/0.0122, allocations: 15.94 kB / 0.5602 GB, free: 10.79 MB / 490.7 MB Notification: Performance of NFTyping.typeComponents: time 0.003398/0.0156, allocations: 1.075 MB / 0.5613 GB, free: 9.707 MB / 490.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001387/0.01699, allocations: 446 kB / 0.5617 GB, free: 9.27 MB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001522/0.01851, allocations: 0.5301 MB / 0.5622 GB, free: 8.738 MB / 490.7 MB Notification: Performance of NFFlatten.flatten: time 0.008076/0.02658, allocations: 4.161 MB / 0.5663 GB, free: 4.574 MB / 490.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001683/0.02675, allocations: 24.92 kB / 0.5663 GB, free: 4.555 MB / 490.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0006589/0.02741, allocations: 291.4 kB / 0.5666 GB, free: 4.27 MB / 490.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003585/0.02777, allocations: 199.4 kB / 0.5667 GB, free: 4.074 MB / 490.7 MB Notification: Performance of NFPackage.collectConstants: time 5.861e-05/0.02783, allocations: 16 kB / 0.5668 GB, free: 4.059 MB / 490.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001085/0.02891, allocations: 499 kB / 0.5672 GB, free: 3.57 MB / 490.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002992/0.02921, allocations: 227.4 kB / 0.5675 GB, free: 3.348 MB / 490.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0002041/0.02942, allocations: 131.6 kB / 0.5676 GB, free: 3.219 MB / 490.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001436/0.03085, allocations: 0.9112 MB / 0.5685 GB, free: 2.305 MB / 490.7 MB Notification: Performance of FrontEnd - DAE generated: time 7.554e-06/0.03086, allocations: 4 kB / 0.5685 GB, free: 2.301 MB / 490.7 MB Notification: Performance of FrontEnd: time 1.593e-06/0.03086, allocations: 0 / 0.5685 GB, free: 2.301 MB / 490.7 MB Notification: Performance of Transformations before backend: time 8.045e-06/0.03087, allocations: 0 / 0.5685 GB, free: 2.301 MB / 490.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 21 * Number of variables: 21 Notification: Performance of Generate backend data structure: time 0.001667/0.03254, allocations: 0.9608 MB / 0.5694 GB, free: 1.301 MB / 490.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.972e-05/0.03258, allocations: 12.75 kB / 0.5694 GB, free: 1.289 MB / 490.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001132/0.03371, allocations: 180.4 kB / 0.5696 GB, free: 1.113 MB / 490.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002252/0.03596, allocations: 0.9999 MB / 0.5706 GB, free: 80 kB / 490.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.316e-05/0.03598, allocations: 8 kB / 0.5706 GB, free: 72 kB / 490.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.845e-05/0.03603, allocations: 15.98 kB / 0.5706 GB, free: 56 kB / 490.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004659/0.0365, allocations: 165.5 kB / 0.5708 GB, free: 15.89 MB / 0.4948 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.141e-05/0.03651, allocations: 0 / 0.5708 GB, free: 15.89 MB / 0.4948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.869e-05/0.03654, allocations: 7.938 kB / 0.5708 GB, free: 15.88 MB / 0.4948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.1e-06/0.03654, allocations: 0 / 0.5708 GB, free: 15.88 MB / 0.4948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004876/0.03703, allocations: 139.9 kB / 0.5709 GB, free: 15.74 MB / 0.4948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00168/0.03871, allocations: 0.6944 MB / 0.5716 GB, free: 15.01 MB / 0.4948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005434/0.03926, allocations: 175 kB / 0.5717 GB, free: 14.83 MB / 0.4948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002324/0.03949, allocations: 71.66 kB / 0.5718 GB, free: 14.75 MB / 0.4948 GB Notification: Performance of preOpt evalFunc (simulation): time 4.239e-05/0.03953, allocations: 11.98 kB / 0.5718 GB, free: 14.74 MB / 0.4948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.454e-05/0.03956, allocations: 33.39 kB / 0.5719 GB, free: 14.7 MB / 0.4948 GB Notification: Performance of pre-optimization done (n=10): time 1.613e-06/0.03957, allocations: 4 kB / 0.5719 GB, free: 14.7 MB / 0.4948 GB Notification: Performance of matching and sorting (n=10): time 0.0009702/0.04054, allocations: 309.2 kB / 0.5722 GB, free: 14.39 MB / 0.4948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.677e-05/0.04058, allocations: 51.41 kB / 0.5722 GB, free: 14.32 MB / 0.4948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009136/0.0415, allocations: 0.7105 MB / 0.5729 GB, free: 13.6 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 3.819e-05/0.04154, allocations: 33.64 kB / 0.5729 GB, free: 13.56 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003873/0.04192, allocations: 371.1 kB / 0.5733 GB, free: 13.19 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 5.876e-05/0.04198, allocations: 39.69 kB / 0.5733 GB, free: 13.15 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001346/0.04212, allocations: 67.34 kB / 0.5734 GB, free: 13.08 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 0.0004084/0.04252, allocations: 0.5938 MB / 0.574 GB, free: 12.47 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00028/0.0428, allocations: 87.64 kB / 0.574 GB, free: 12.38 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004136/0.04322, allocations: 224.2 kB / 0.5743 GB, free: 12.11 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006068/0.04382, allocations: 241.3 kB / 0.5745 GB, free: 11.84 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.116e-06/0.04383, allocations: 0 / 0.5745 GB, free: 11.84 MB / 0.4948 GB Notification: Performance of matching and sorting (n=19) (initialization): time 0.0008047/0.04463, allocations: 317 kB / 0.5748 GB, free: 11.52 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 1.845e-05/0.04465, allocations: 6.812 kB / 0.5748 GB, free: 11.52 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.18e-05/0.04466, allocations: 4.219 kB / 0.5748 GB, free: 11.52 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.012e-05/0.04468, allocations: 7.938 kB / 0.5748 GB, free: 11.51 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003231/0.04501, allocations: 59.95 kB / 0.5749 GB, free: 11.45 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.437e-05/0.04502, allocations: 7.938 kB / 0.5749 GB, free: 11.44 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002661/0.04529, allocations: 23.88 kB / 0.5749 GB, free: 11.42 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.637e-05/0.04535, allocations: 39.98 kB / 0.5749 GB, free: 11.38 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003733/0.04573, allocations: 214.8 kB / 0.5751 GB, free: 11.16 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003808/0.04611, allocations: 218.6 kB / 0.5754 GB, free: 10.9 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000544/0.04665, allocations: 217.4 kB / 0.5756 GB, free: 10.65 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.867e-06/0.04665, allocations: 7.938 kB / 0.5756 GB, free: 10.64 MB / 0.4948 GB Notification: Performance of matching and sorting (n=19) (initialization_lambda0): time 0.0007189/0.04737, allocations: 289 kB / 0.5758 GB, free: 10.36 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 1.3e-05/0.04739, allocations: 8.219 kB / 0.5758 GB, free: 10.35 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.795e-06/0.04739, allocations: 4 kB / 0.5759 GB, free: 10.34 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.002e-06/0.0474, allocations: 4 kB / 0.5759 GB, free: 10.34 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002515/0.04765, allocations: 47.91 kB / 0.5759 GB, free: 10.29 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.556e-06/0.04766, allocations: 11.92 kB / 0.5759 GB, free: 10.28 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002673/0.04792, allocations: 23.94 kB / 0.5759 GB, free: 10.26 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.966e-05/0.04796, allocations: 20 kB / 0.576 GB, free: 10.24 MB / 0.4948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * 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 (18): * Single equations (assignments): 17 * Array equations: 1 * 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 0.0002127/0.04818, allocations: 284 kB / 0.5762 GB, free: 9.953 MB / 0.4948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.774e-05/0.04827, allocations: 55.62 kB / 0.5763 GB, free: 9.898 MB / 0.4948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008303/0.0491, allocations: 290.4 kB / 0.5766 GB, free: 9.605 MB / 0.4948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.915e-06/0.04911, allocations: 7.938 kB / 0.5766 GB, free: 9.598 MB / 0.4948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.148e-06/0.04912, allocations: 0 / 0.5766 GB, free: 9.598 MB / 0.4948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.897e-06/0.04912, allocations: 0 / 0.5766 GB, free: 9.598 MB / 0.4948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006172/0.04974, allocations: 408.4 kB / 0.577 GB, free: 9.16 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.182e-06/0.04974, allocations: 0 / 0.577 GB, free: 9.16 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002173/0.04995, allocations: 39.98 kB / 0.577 GB, free: 9.121 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.114e-06/0.04996, allocations: 0 / 0.577 GB, free: 9.121 MB / 0.4948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.315e-05/0.04998, allocations: 7.984 kB / 0.577 GB, free: 9.113 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.513e-06/0.04998, allocations: 0 / 0.577 GB, free: 9.113 MB / 0.4948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.232e-06/0.04999, allocations: 7.938 kB / 0.577 GB, free: 9.105 MB / 0.4948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007127/0.0507, allocations: 391.6 kB / 0.5774 GB, free: 8.703 MB / 0.4948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001642/0.05086, allocations: 63.55 kB / 0.5774 GB, free: 8.641 MB / 0.4948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.021e-05/0.05093, allocations: 4 kB / 0.5774 GB, free: 8.637 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002208/0.05115, allocations: 7.984 kB / 0.5775 GB, free: 8.629 MB / 0.4948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.404e-05/0.05121, allocations: 19.92 kB / 0.5775 GB, free: 8.609 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.806e-05/0.05124, allocations: 12 kB / 0.5775 GB, free: 8.598 MB / 0.4948 GB Notification: Performance of sorting global known variables: time 0.0007954/0.05203, allocations: 427 kB / 0.5779 GB, free: 8.184 MB / 0.4948 GB Notification: Performance of sort global known variables: time 8.1e-08/0.05203, allocations: 0 / 0.5779 GB, free: 8.184 MB / 0.4948 GB Notification: Performance of remove unused functions: time 0.0007413/0.05277, allocations: 203.7 kB / 0.5781 GB, free: 7.984 MB / 0.4948 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 (11): * Single equations (assignments): 11 * 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 0.0005355/0.05331, allocations: 234.9 kB / 0.5783 GB, free: 7.746 MB / 0.4948 GB Notification: Performance of simCode: created initialization part: time 0.0009914/0.0543, allocations: 319.4 kB / 0.5786 GB, free: 7.426 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 2.374e-06/0.0543, allocations: 0 / 0.5786 GB, free: 7.426 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 0.0002603/0.05456, allocations: 87.58 kB / 0.5787 GB, free: 7.336 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001128/0.05569, allocations: 306.5 kB / 0.579 GB, free: 7.043 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001502/0.05719, allocations: 0.8038 MB / 0.5798 GB, free: 6.203 MB / 0.4948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003545/0.05755, allocations: 288.1 kB / 0.58 GB, free: 5.898 MB / 0.4948 GB Notification: Performance of simCode: alias equations: time 0.0006328/0.05818, allocations: 176.9 kB / 0.5802 GB, free: 5.723 MB / 0.4948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002286/0.05841, allocations: 80.42 kB / 0.5803 GB, free: 5.645 MB / 0.4948 GB Notification: Performance of SimCode: time 1.122e-06/0.05841, allocations: 0 / 0.5803 GB, free: 5.645 MB / 0.4948 GB Notification: Performance of Templates: time 0.02555/0.08396, allocations: 13.41 MB / 0.5934 GB, free: 8.609 MB / 0.5105 GB " [Timeout remaining time 660] make -j1 -f BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.makefile [Timeout 660] (rm -f BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.sim & ./BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface -abortSlowSimulation -alarm=240 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 6.546802707016468]