Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.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 0.001464/0.001464, allocations: 80.75 kB / 19.94 MB, free: 4.547 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: 181 kB / 23.36 MB, free: 1.133 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 0.9692/0.9692, allocations: 177.1 MB / 203.8 MB, free: 5.473 MB / 186.7 MB " [Timeout remaining time 179] 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 2.307/2.307, allocations: 438.8 MB / 0.6826 GB, free: 13.64 MB / 0.6511 GB " [Timeout remaining time 177] Using package Buildings with version 14.1.0 (/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.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eff.m_flow|eff.V_flow|eff.dp|eff.y_in|eff.WFlo|eff.PEle|eff.eta|eff.etaHyd|eff.etaMot",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface") translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eff.m_flow|eff.V_flow|eff.dp|eff.y_in|eff.WFlo|eff.PEle|eff.eta|eff.etaHyd|eff.etaMot",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.363e-06/1.363e-06, allocations: 0 / 0.8386 GB, free: 14.25 MB / 0.8073 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.548e-05/1.684e-05, allocations: 6.312 kB / 0.8386 GB, free: 14.25 MB / 0.8073 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface): time 0.003545/0.003562, allocations: 2.324 MB / 0.8409 GB, free: 11.91 MB / 0.8073 GB Notification: Performance of NFInst.instExpressions: time 0.006124/0.009686, allocations: 3.759 MB / 0.8445 GB, free: 8.133 MB / 0.8073 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000172/0.009858, allocations: 11.88 kB / 0.8445 GB, free: 8.121 MB / 0.8073 GB Notification: Performance of NFTyping.typeComponents: time 0.002466/0.01232, allocations: 1.087 MB / 0.8456 GB, free: 7.031 MB / 0.8073 GB Notification: Performance of NFTyping.typeBindings: time 0.0007323/0.01306, allocations: 466 kB / 0.846 GB, free: 6.574 MB / 0.8073 GB Notification: Performance of NFTyping.typeClassSections: time 0.0008584/0.01391, allocations: 0.5106 MB / 0.8465 GB, free: 6.062 MB / 0.8073 GB Notification: Performance of NFFlatten.flatten: time 0.005361/0.01928, allocations: 4.06 MB / 0.8505 GB, free: 1.996 MB / 0.8073 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001109/0.01939, allocations: 26.89 kB / 0.8505 GB, free: 1.973 MB / 0.8073 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004354/0.01982, allocations: 303.3 kB / 0.8508 GB, free: 1.676 MB / 0.8073 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002697/0.02009, allocations: 191.5 kB / 0.851 GB, free: 1.488 MB / 0.8073 GB Notification: Performance of NFPackage.collectConstants: time 4.11e-05/0.02013, allocations: 16 kB / 0.851 GB, free: 1.473 MB / 0.8073 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007173/0.02085, allocations: 498.9 kB / 0.8515 GB, free: 0.9844 MB / 0.8073 GB Notification: Performance of NFScalarize.scalarize: time 0.0002119/0.02106, allocations: 227.5 kB / 0.8517 GB, free: 0.7617 MB / 0.8073 GB Notification: Performance of NFVerifyModel.verify: time 0.0001558/0.02122, allocations: 139.6 kB / 0.8518 GB, free: 0.625 MB / 0.8073 GB Notification: Performance of NFConvertDAE.convert: time 0.0008827/0.0221, allocations: 0.7321 MB / 0.8526 GB, free: 15.89 MB / 0.823 GB Notification: Performance of FrontEnd - DAE generated: time 2.725e-06/0.0221, allocations: 0 / 0.8526 GB, free: 15.89 MB / 0.823 GB Notification: Performance of FrontEnd: time 1.192e-06/0.02211, allocations: 0 / 0.8526 GB, free: 15.89 MB / 0.823 GB Notification: Performance of Transformations before backend: time 5.169e-06/0.02211, allocations: 0 / 0.8526 GB, free: 15.89 MB / 0.823 GB 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 0.001016/0.02313, allocations: 0.7701 MB / 0.8533 GB, free: 15.09 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 3.847e-05/0.02316, allocations: 12.62 kB / 0.8533 GB, free: 15.08 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007041/0.02387, allocations: 144.8 kB / 0.8535 GB, free: 14.94 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001672/0.02554, allocations: 0.9655 MB / 0.8544 GB, free: 13.94 MB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.751e-05/0.02556, allocations: 8 kB / 0.8544 GB, free: 13.93 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.8e-05/0.0256, allocations: 15.94 kB / 0.8544 GB, free: 13.92 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000285/0.02588, allocations: 133.5 kB / 0.8546 GB, free: 13.78 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.268e-06/0.02589, allocations: 0 / 0.8546 GB, free: 13.78 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.082e-05/0.02591, allocations: 3.938 kB / 0.8546 GB, free: 13.78 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.582e-06/0.02592, allocations: 4 kB / 0.8546 GB, free: 13.77 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001164/0.02603, allocations: 43.97 kB / 0.8546 GB, free: 13.73 MB / 0.823 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006305/0.02667, allocations: 298.7 kB / 0.8549 GB, free: 13.42 MB / 0.823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002415/0.02691, allocations: 152 kB / 0.855 GB, free: 13.26 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 3.845e-05/0.02695, allocations: 24.86 kB / 0.8551 GB, free: 13.23 MB / 0.823 GB Notification: Performance of preOpt evalFunc (simulation): time 1.892e-05/0.02696, allocations: 8 kB / 0.8551 GB, free: 13.23 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.967e-05/0.02698, allocations: 34.5 kB / 0.8551 GB, free: 13.18 MB / 0.823 GB Notification: Performance of pre-optimization done (n=10): time 1.112e-06/0.02698, allocations: 3.938 kB / 0.8551 GB, free: 13.18 MB / 0.823 GB Notification: Performance of matching and sorting (n=10): time 0.0002033/0.02719, allocations: 121.6 kB / 0.8552 GB, free: 13.05 MB / 0.823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.925e-05/0.02722, allocations: 55.53 kB / 0.8553 GB, free: 12.99 MB / 0.823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002812/0.0275, allocations: 484 kB / 0.8557 GB, free: 12.5 MB / 0.823 GB Notification: Performance of collectPreVariables (initialization): time 2.286e-05/0.02752, allocations: 33.7 kB / 0.8558 GB, free: 12.46 MB / 0.823 GB Notification: Performance of collectInitialEqns (initialization): time 7.715e-05/0.0276, allocations: 169.7 kB / 0.8559 GB, free: 12.3 MB / 0.823 GB Notification: Performance of collectInitialBindings (initialization): time 3.067e-05/0.02763, allocations: 35.69 kB / 0.856 GB, free: 12.26 MB / 0.823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.931e-05/0.0277, allocations: 45.67 kB / 0.856 GB, free: 12.21 MB / 0.823 GB Notification: Performance of setup shared object (initialization): time 0.0001095/0.02781, allocations: 370.7 kB / 0.8564 GB, free: 11.84 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 5.985e-05/0.02787, allocations: 39.67 kB / 0.8564 GB, free: 11.8 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 9.745e-05/0.02797, allocations: 148 kB / 0.8565 GB, free: 11.61 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000128/0.02809, allocations: 133.5 kB / 0.8567 GB, free: 11.45 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.575e-06/0.0281, allocations: 0 / 0.8567 GB, free: 11.45 MB / 0.823 GB Notification: Performance of matching and sorting (n=19) (initialization): time 0.0001788/0.02827, allocations: 164.3 kB / 0.8568 GB, free: 11.29 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 1.218e-05/0.02829, allocations: 10.12 kB / 0.8568 GB, free: 11.28 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.071e-06/0.02829, allocations: 4 kB / 0.8568 GB, free: 11.27 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.1e-05/0.0283, allocations: 4 kB / 0.8568 GB, free: 11.27 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001421/0.02845, allocations: 51.91 kB / 0.8569 GB, free: 11.22 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.074e-06/0.02845, allocations: 7.938 kB / 0.8569 GB, free: 11.21 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001156/0.02857, allocations: 32.55 kB / 0.8569 GB, free: 11.18 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.248e-05/0.0286, allocations: 31.98 kB / 0.857 GB, free: 11.15 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001032/0.0287, allocations: 117.8 kB / 0.8571 GB, free: 11.03 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 8.191e-05/0.02879, allocations: 140 kB / 0.8572 GB, free: 10.85 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001052/0.02889, allocations: 129.6 kB / 0.8573 GB, free: 10.7 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.01e-07/0.02889, allocations: 0 / 0.8573 GB, free: 10.7 MB / 0.823 GB Notification: Performance of matching and sorting (n=19) (initialization_lambda0): time 0.0001506/0.02904, allocations: 152.2 kB / 0.8575 GB, free: 10.54 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 5.36e-06/0.02905, allocations: 8.219 kB / 0.8575 GB, free: 10.53 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.733e-06/0.02905, allocations: 4 kB / 0.8575 GB, free: 10.53 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.665e-06/0.02905, allocations: 7.938 kB / 0.8575 GB, free: 10.52 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.957e-05/0.02915, allocations: 43.91 kB / 0.8575 GB, free: 10.48 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.665e-06/0.02915, allocations: 3.984 kB / 0.8575 GB, free: 10.47 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001059/0.02926, allocations: 32.42 kB / 0.8576 GB, free: 10.44 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.865e-05/0.02928, allocations: 16 kB / 0.8576 GB, free: 10.43 MB / 0.823 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 7.935e-05/0.02936, allocations: 192.2 kB / 0.8578 GB, free: 10.23 MB / 0.823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.858e-05/0.0294, allocations: 35.95 kB / 0.8578 GB, free: 10.2 MB / 0.823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002345/0.02963, allocations: 178.8 kB / 0.858 GB, free: 10.01 MB / 0.823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.474e-06/0.02963, allocations: 4 kB / 0.858 GB, free: 10.01 MB / 0.823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.717e-06/0.02964, allocations: 3.938 kB / 0.858 GB, free: 10 MB / 0.823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.417e-06/0.02964, allocations: 0 / 0.858 GB, free: 10 MB / 0.823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001818/0.02982, allocations: 185.6 kB / 0.8582 GB, free: 9.805 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.61e-07/0.02982, allocations: 0 / 0.8582 GB, free: 9.805 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 7.794e-05/0.0299, allocations: 27.98 kB / 0.8582 GB, free: 9.777 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.813e-06/0.0299, allocations: 3.984 kB / 0.8582 GB, free: 9.773 MB / 0.823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.798e-06/0.02991, allocations: 7.938 kB / 0.8582 GB, free: 9.766 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.92e-07/0.02991, allocations: 4 kB / 0.8582 GB, free: 9.762 MB / 0.823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.32e-07/0.02992, allocations: 0 / 0.8582 GB, free: 9.762 MB / 0.823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001455/0.03006, allocations: 258.1 kB / 0.8584 GB, free: 9.492 MB / 0.823 GB Notification: Performance of postOpt removeConstants (simulation): time 6.099e-05/0.03012, allocations: 51.62 kB / 0.8585 GB, free: 9.441 MB / 0.823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.029e-05/0.03015, allocations: 4 kB / 0.8585 GB, free: 9.438 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 8.947e-05/0.03024, allocations: 11.98 kB / 0.8585 GB, free: 9.426 MB / 0.823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.823e-05/0.03027, allocations: 7.984 kB / 0.8585 GB, free: 9.418 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.538e-05/0.03029, allocations: 19.98 kB / 0.8585 GB, free: 9.398 MB / 0.823 GB Notification: Performance of sorting global known variables: time 0.0001446/0.03043, allocations: 220.6 kB / 0.8587 GB, free: 9.188 MB / 0.823 GB Notification: Performance of sort global known variables: time 5.1e-08/0.03043, allocations: 0 / 0.8587 GB, free: 9.188 MB / 0.823 GB Notification: Performance of remove unused functions: time 0.0003429/0.03077, allocations: 211.6 kB / 0.8589 GB, free: 8.98 MB / 0.823 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 0.0002711/0.03104, allocations: 212 kB / 0.8591 GB, free: 8.762 MB / 0.823 GB Notification: Performance of simCode: created initialization part: time 0.0002112/0.03126, allocations: 167.9 kB / 0.8593 GB, free: 8.594 MB / 0.823 GB Notification: Performance of simCode: created event and clocks part: time 3.887e-06/0.03126, allocations: 8.062 kB / 0.8593 GB, free: 8.586 MB / 0.823 GB Notification: Performance of simCode: created simulation system equations: time 4.754e-05/0.03131, allocations: 45.58 kB / 0.8594 GB, free: 8.539 MB / 0.823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005421/0.03185, allocations: 309.2 kB / 0.8597 GB, free: 8.238 MB / 0.823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0009557/0.0328, allocations: 0.7931 MB / 0.8604 GB, free: 7.41 MB / 0.823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 9.502e-05/0.0329, allocations: 153.6 kB / 0.8606 GB, free: 7.238 MB / 0.823 GB Notification: Performance of simCode: alias equations: time 0.0003363/0.03324, allocations: 176.9 kB / 0.8607 GB, free: 7.062 MB / 0.823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004388/0.03367, allocations: 281.1 kB / 0.861 GB, free: 6.785 MB / 0.823 GB Notification: Performance of SimCode: time 6.61e-07/0.03368, allocations: 0 / 0.861 GB, free: 6.785 MB / 0.823 GB Notification: Performance of Templates: time 0.01451/0.04818, allocations: 14.74 MB / 0.8754 GB, free: 8.422 MB / 0.8386 GB " [Timeout remaining time 300] make -j1 -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe >> ../files/Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.sim & ./Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Movers_BaseClasses_Validation_FlowMachineInterface.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: 5.420638045296073]