Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.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 0.001438/0.001438, allocations: 93.06 kB / 19.65 MB, free: 276 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 0.001571/0.001571, allocations: 165 kB / 23.02 MB, free: 1.551 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 0.9672/0.9672, allocations: 177.1 MB / 203.4 MB, free: 5.633 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 2.142/2.142, allocations: 429.5 MB / 0.6732 GB, free: 4.047 MB / 0.6355 GB " [Timeout remaining time 177] Using package Buildings with version 14.0.0 (/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.DXSystems.Cooling.BaseClasses.Examples.UACp,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|uacp.UAcp|uacp.bypass_nominal",fileNamePrefix="Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp") translateModel(Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|uacp.UAcp|uacp.bypass_nominal",fileNamePrefix="Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.292e-06/1.292e-06, allocations: 0.7656 kB / 0.8782 GB, free: 6.266 MB / 0.8386 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.588e-05/1.717e-05, allocations: 3.062 kB / 0.8782 GB, free: 6.262 MB / 0.8386 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp): time 0.001939/0.001957, allocations: 1.752 MB / 0.8799 GB, free: 4.523 MB / 0.8386 GB Notification: Performance of NFInst.instExpressions: time 0.1359/0.1378, allocations: 144.3 MB / 1.021 GB, free: 3.742 MB / 0.9792 GB Notification: Performance of NFInst.updateImplicitVariability: time 6.972e-05/0.1379, allocations: 0 / 1.021 GB, free: 3.742 MB / 0.9792 GB Notification: Performance of NFTyping.typeComponents: time 0.0002286/0.1381, allocations: 51.62 kB / 1.021 GB, free: 3.691 MB / 0.9792 GB Notification: Performance of NFTyping.typeBindings: time 0.0009331/0.1391, allocations: 445.6 kB / 1.021 GB, free: 3.254 MB / 0.9792 GB Notification: Performance of NFTyping.typeClassSections: time 8.872e-05/0.1392, allocations: 59.81 kB / 1.021 GB, free: 3.195 MB / 0.9792 GB Notification: Performance of NFFlatten.flatten: time 0.0003212/0.1395, allocations: 155.2 kB / 1.021 GB, free: 3.043 MB / 0.9792 GB Notification: Performance of NFFlatten.resolveConnections: time 4.134e-05/0.1395, allocations: 5.594 kB / 1.021 GB, free: 3.031 MB / 0.9792 GB Notification: Performance of NFEvalConstants.evaluate: time 7.468e-05/0.1396, allocations: 79.8 kB / 1.022 GB, free: 2.953 MB / 0.9792 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001256/0.1397, allocations: 51.88 kB / 1.022 GB, free: 2.902 MB / 0.9792 GB Notification: Performance of NFPackage.collectConstants: time 1.724e-05/0.1397, allocations: 8 kB / 1.022 GB, free: 2.895 MB / 0.9792 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0005663/0.1403, allocations: 470.6 kB / 1.022 GB, free: 2.434 MB / 0.9792 GB Notification: Performance of NFScalarize.scalarize: time 2.217e-05/0.1403, allocations: 19.92 kB / 1.022 GB, free: 2.414 MB / 0.9792 GB Notification: Performance of NFVerifyModel.verify: time 4.385e-05/0.1404, allocations: 47.84 kB / 1.022 GB, free: 2.367 MB / 0.9792 GB Notification: Performance of NFConvertDAE.convert: time 0.0004235/0.1408, allocations: 346.9 kB / 1.022 GB, free: 2.027 MB / 0.9792 GB Notification: Performance of FrontEnd - DAE generated: time 4.579e-06/0.1408, allocations: 0 / 1.022 GB, free: 2.027 MB / 0.9792 GB Notification: Performance of FrontEnd: time 2.154e-06/0.1408, allocations: 0 / 1.022 GB, free: 2.027 MB / 0.9792 GB Notification: Performance of Transformations before backend: time 5.72e-06/0.1408, allocations: 0 / 1.022 GB, free: 2.027 MB / 0.9792 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 0 * Number of variables: 0 Notification: Performance of Generate backend data structure: time 0.0005799/0.1414, allocations: 0.5111 MB / 1.023 GB, free: 1.48 MB / 0.9792 GB Notification: Performance of prepare preOptimizeDAE: time 3.901e-05/0.1414, allocations: 8.031 kB / 1.023 GB, free: 1.473 MB / 0.9792 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002399/0.1438, allocations: 0.8586 MB / 1.024 GB, free: 0.6133 MB / 0.9792 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002386/0.1441, allocations: 313 kB / 1.024 GB, free: 284 kB / 0.9792 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.703e-05/0.1441, allocations: 238.8 kB / 1.024 GB, free: 44 kB / 0.9792 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.913e-05/0.1442, allocations: 250.7 kB / 1.025 GB, free: 15.8 MB / 0.9948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 6.215e-05/0.1443, allocations: 148.8 kB / 1.025 GB, free: 15.64 MB / 0.9948 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.645e-05/0.1443, allocations: 119.2 kB / 1.025 GB, free: 15.53 MB / 0.9948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.181e-05/0.1444, allocations: 238.4 kB / 1.025 GB, free: 15.29 MB / 0.9948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.197e-05/0.1444, allocations: 242.4 kB / 1.025 GB, free: 15.05 MB / 0.9948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 5.291e-05/0.1445, allocations: 246.3 kB / 1.026 GB, free: 14.81 MB / 0.9948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003337/0.1448, allocations: 0.6811 MB / 1.026 GB, free: 14.1 MB / 0.9948 GB Notification: Performance of preOpt comSubExp (simulation): time 8.342e-05/0.1449, allocations: 265.4 kB / 1.026 GB, free: 13.82 MB / 0.9948 GB Notification: Performance of preOpt resolveLoops (simulation): time 4.197e-05/0.1449, allocations: 126.9 kB / 1.027 GB, free: 13.7 MB / 0.9948 GB Notification: Performance of preOpt evalFunc (simulation): time 2.739e-05/0.1449, allocations: 123.2 kB / 1.027 GB, free: 13.57 MB / 0.9948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.54e-05/0.145, allocations: 156.5 kB / 1.027 GB, free: 13.41 MB / 0.9948 GB Notification: Performance of pre-optimization done (n=0): time 1.062e-06/0.145, allocations: 4 kB / 1.027 GB, free: 13.41 MB / 0.9948 GB Notification: Performance of matching and sorting (n=0): time 0.0002137/0.1452, allocations: 61.56 kB / 1.027 GB, free: 13.34 MB / 0.9948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.138e-05/0.1453, allocations: 174.6 kB / 1.027 GB, free: 13.16 MB / 0.9948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002169/0.1455, allocations: 259.2 kB / 1.027 GB, free: 12.89 MB / 0.9948 GB Notification: Performance of collectPreVariables (initialization): time 2.571e-05/0.1455, allocations: 29.7 kB / 1.027 GB, free: 12.85 MB / 0.9948 GB Notification: Performance of collectInitialEqns (initialization): time 8.07e-05/0.1456, allocations: 154.9 kB / 1.027 GB, free: 12.7 MB / 0.9948 GB Notification: Performance of collectInitialBindings (initialization): time 3.136e-06/0.1456, allocations: 0 / 1.027 GB, free: 12.7 MB / 0.9948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.823e-05/0.1457, allocations: 35.34 kB / 1.028 GB, free: 12.65 MB / 0.9948 GB Notification: Performance of setup shared object (initialization): time 0.0001205/0.1458, allocations: 0.4923 MB / 1.028 GB, free: 12.15 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000524/0.1463, allocations: 211.5 kB / 1.028 GB, free: 11.94 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001385/0.1465, allocations: 71.97 kB / 1.028 GB, free: 11.87 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001321/0.1466, allocations: 55.67 kB / 1.028 GB, free: 11.81 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.124e-06/0.1466, allocations: 0 / 1.028 GB, free: 11.81 MB / 0.9948 GB Notification: Performance of matching and sorting (n=6) (initialization): time 0.0008193/0.1474, allocations: 229.2 kB / 1.029 GB, free: 11.57 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 1.737e-05/0.1474, allocations: 8 kB / 1.029 GB, free: 11.57 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.14e-06/0.1474, allocations: 0 / 1.029 GB, free: 11.57 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001141/0.1486, allocations: 311.3 kB / 1.029 GB, free: 11.26 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003628/0.1489, allocations: 111.8 kB / 1.029 GB, free: 11.15 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001343/0.1503, allocations: 1.899 MB / 1.031 GB, free: 9.129 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003453/0.1506, allocations: 115.8 kB / 1.031 GB, free: 9.016 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.039e-05/0.1506, allocations: 7.984 kB / 1.031 GB, free: 9.008 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000193/0.1508, allocations: 198.8 kB / 1.031 GB, free: 8.809 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001279/0.151, allocations: 67.97 kB / 1.031 GB, free: 8.742 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 9.853e-05/0.1511, allocations: 51.69 kB / 1.031 GB, free: 8.688 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.02e-07/0.1511, allocations: 0 / 1.031 GB, free: 8.688 MB / 0.9948 GB Notification: Performance of matching and sorting (n=6) (initialization_lambda0): time 0.0003797/0.1514, allocations: 193.2 kB / 1.031 GB, free: 8.488 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 8.476e-06/0.1515, allocations: 8 kB / 1.031 GB, free: 8.48 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.647e-06/0.1515, allocations: 7.922 kB / 1.031 GB, free: 8.473 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007867/0.1522, allocations: 243.5 kB / 1.032 GB, free: 8.23 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003267/0.1526, allocations: 111.9 kB / 1.032 GB, free: 8.121 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008618/0.1534, allocations: 1.8 MB / 1.034 GB, free: 6.199 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003413/0.1538, allocations: 107.9 kB / 1.034 GB, free: 6.094 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.315e-05/0.1538, allocations: 4 kB / 1.034 GB, free: 6.09 MB / 0.9948 GB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (4): * Single equations (assignments): 3 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0001463/0.1539, allocations: 391.2 kB / 1.034 GB, free: 5.699 MB / 0.9948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.971e-05/0.154, allocations: 156.8 kB / 1.034 GB, free: 5.539 MB / 0.9948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.913e-05/0.154, allocations: 157.4 kB / 1.034 GB, free: 5.383 MB / 0.9948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.537e-05/0.1541, allocations: 280 kB / 1.035 GB, free: 5.102 MB / 0.9948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.506e-05/0.1542, allocations: 264.1 kB / 1.035 GB, free: 4.836 MB / 0.9948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.765e-05/0.1542, allocations: 264.1 kB / 1.035 GB, free: 4.57 MB / 0.9948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001976/0.1544, allocations: 0.531 MB / 1.036 GB, free: 3.996 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001836/0.1546, allocations: 144.9 kB / 1.036 GB, free: 3.848 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 3.12e-05/0.1547, allocations: 148.8 kB / 1.036 GB, free: 3.695 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.494e-05/0.1547, allocations: 268.1 kB / 1.036 GB, free: 3.426 MB / 0.9948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.259e-05/0.1548, allocations: 264.1 kB / 1.036 GB, free: 3.16 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.398e-05/0.1548, allocations: 276 kB / 1.037 GB, free: 2.883 MB / 0.9948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.393e-05/0.1549, allocations: 268.1 kB / 1.037 GB, free: 2.613 MB / 0.9948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001196/0.155, allocations: 455.8 kB / 1.037 GB, free: 2.141 MB / 0.9948 GB Notification: Performance of postOpt removeConstants (simulation): time 7.029e-05/0.1551, allocations: 173 kB / 1.037 GB, free: 1.965 MB / 0.9948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.682e-05/0.1551, allocations: 272.1 kB / 1.038 GB, free: 1.691 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 8.683e-05/0.1552, allocations: 148.9 kB / 1.038 GB, free: 1.539 MB / 0.9948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.363e-05/0.1553, allocations: 272 kB / 1.038 GB, free: 1.266 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.586e-05/0.1553, allocations: 144.9 kB / 1.038 GB, free: 1.117 MB / 0.9948 GB Notification: Performance of sorting global known variables: time 0.0001107/0.1554, allocations: 188 kB / 1.038 GB, free: 0.9336 MB / 0.9948 GB Notification: Performance of sort global known variables: time 8e-08/0.1554, allocations: 0 / 1.038 GB, free: 0.9336 MB / 0.9948 GB Notification: Performance of remove unused functions: time 0.0003205/0.1558, allocations: 83.94 kB / 1.039 GB, free: 0.8516 MB / 0.9948 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 (0): * Single equations (assignments): 0 * 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 0.0002228/0.156, allocations: 238.4 kB / 1.039 GB, free: 0.6055 MB / 0.9948 GB Notification: Performance of simCode: created initialization part: time 0.0006776/0.1567, allocations: 0.5547 MB / 1.039 GB, free: 8 kB / 0.9948 GB Notification: Performance of simCode: created event and clocks part: time 2.164e-06/0.1567, allocations: 4 kB / 1.039 GB, free: 4 kB / 0.9948 GB Notification: Performance of simCode: created simulation system equations: time 1.232e-06/0.1567, allocations: 0 / 1.039 GB, free: 4 kB / 0.9948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004652/0.1571, allocations: 0.7276 MB / 1.04 GB, free: 15.27 MB / 1.01 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.000646/0.1578, allocations: 349.2 kB / 1.04 GB, free: 14.9 MB / 1.01 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 3.659e-05/0.1578, allocations: 67.84 kB / 1.04 GB, free: 14.82 MB / 1.01 GB Notification: Performance of simCode: alias equations: time 0.0001414/0.158, allocations: 36.47 kB / 1.04 GB, free: 14.78 MB / 1.01 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.853e-05/0.158, allocations: 16.48 kB / 1.04 GB, free: 14.76 MB / 1.01 GB Notification: Performance of SimCode: time 1.042e-06/0.158, allocations: 4 kB / 1.04 GB, free: 14.76 MB / 1.01 GB Notification: Performance of Templates: time 0.006416/0.1644, allocations: 5.079 MB / 1.045 GB, free: 9.707 MB / 1.01 GB " [Timeout remaining time 300] make -j1 -f Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe ; mkfifo Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe >> ../files/Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.sim & ./Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_latest_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_DXSystems_Cooling_BaseClasses_Examples_UACp.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: 6.35590897500515]