Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells.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 0.000952/0.000952, 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 0.0008964/0.0008964, allocations: 173 kB / 23.02 MB, free: 1.543 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 0.9328/0.9328, allocations: 177.1 MB / 203.4 MB, free: 5.641 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:108:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:116:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 0.74/0.74, allocations: 154.6 MB / 414.5 MB, free: 0.6914 MB / 378.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 179] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells") translateModel(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.663e-06/1.663e-06, allocations: 0.9844 kB / 0.5204 GB, free: 2.164 MB / 490.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.214e-05/2.38e-05, allocations: 3.562 kB / 0.5204 GB, free: 2.16 MB / 490.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells): time 0.002305/0.002329, allocations: 1.301 MB / 0.5216 GB, free: 0.8672 MB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.0008981/0.003227, allocations: 0.495 MB / 0.5221 GB, free: 380 kB / 490.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 2.019e-05/0.003247, allocations: 0 / 0.5221 GB, free: 380 kB / 490.7 MB Notification: Performance of NFTyping.typeComponents: time 4.024e-05/0.003287, allocations: 0 / 0.5221 GB, free: 380 kB / 490.7 MB Notification: Performance of NFTyping.typeBindings: time 6.726e-05/0.003355, allocations: 4.547 kB / 0.5221 GB, free: 376 kB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003847/0.003739, allocations: 64.23 kB / 0.5222 GB, free: 312 kB / 490.7 MB Notification: Performance of NFFlatten.flatten: time 6.282e-05/0.003802, allocations: 12.88 kB / 0.5222 GB, free: 300 kB / 490.7 MB Notification: Performance of NFFlatten.resolveConnections: time 3.446e-05/0.003837, allocations: 0 / 0.5222 GB, free: 300 kB / 490.7 MB Notification: Performance of NFEvalConstants.evaluate: time 4.063e-05/0.003877, allocations: 13.5 kB / 0.5222 GB, free: 288 kB / 490.7 MB Notification: Performance of NFSimplifyModel.simplify: time 3.804e-05/0.003915, allocations: 4 kB / 0.5222 GB, free: 284 kB / 490.7 MB Notification: Performance of NFPackage.collectConstants: time 1.231e-05/0.003928, allocations: 0 / 0.5222 GB, free: 284 kB / 490.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001737/0.004101, allocations: 67.83 kB / 0.5223 GB, free: 216 kB / 490.7 MB Notification: Performance of NFScalarize.scalarize: time 5.586e-05/0.004157, allocations: 16.91 kB / 0.5223 GB, free: 200 kB / 490.7 MB Notification: Performance of NFVerifyModel.verify: time 3.733e-05/0.004194, allocations: 4 kB / 0.5223 GB, free: 196 kB / 490.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0001549/0.004349, allocations: 71.72 kB / 0.5224 GB, free: 124 kB / 490.7 MB Notification: Performance of FrontEnd - DAE generated: time 2.896e-06/0.004352, allocations: 1.469 kB / 0.5224 GB, free: 124 kB / 490.7 MB Notification: Performance of FrontEnd: time 9.42e-07/0.004353, allocations: 4 kB / 0.5224 GB, free: 120 kB / 490.7 MB Notification: Performance of Transformations before backend: time 3.787e-06/0.004357, allocations: 0 / 0.5224 GB, free: 120 kB / 490.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 6 * Number of variables: 6 Notification: Performance of Generate backend data structure: time 0.0003562/0.004713, allocations: 361.4 kB / 0.5227 GB, free: 15.73 MB / 0.4948 GB Notification: Performance of prepare preOptimizeDAE: time 3.829e-05/0.004751, allocations: 12.03 kB / 0.5227 GB, free: 15.72 MB / 0.4948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 4.037e-05/0.004792, allocations: 1.281 kB / 0.5227 GB, free: 15.72 MB / 0.4948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 6.666e-05/0.004858, allocations: 109.2 kB / 0.5228 GB, free: 15.59 MB / 0.4948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.536e-05/0.004874, allocations: 8.375 kB / 0.5229 GB, free: 15.58 MB / 0.4948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.1e-05/0.004885, allocations: 1.656 kB / 0.5229 GB, free: 15.58 MB / 0.4948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 9.456e-05/0.004979, allocations: 38.25 kB / 0.5229 GB, free: 15.54 MB / 0.4948 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.464e-06/0.004987, allocations: 192 / 0.5229 GB, free: 15.54 MB / 0.4948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.606e-06/0.004995, allocations: 4.844 kB / 0.5229 GB, free: 15.53 MB / 0.4948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.075e-06/0.005004, allocations: 7.938 kB / 0.5229 GB, free: 15.52 MB / 0.4948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 1.629e-05/0.00502, allocations: 5.062 kB / 0.5229 GB, free: 15.52 MB / 0.4948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001137/0.005134, allocations: 112.6 kB / 0.523 GB, free: 15.38 MB / 0.4948 GB Notification: Performance of preOpt comSubExp (simulation): time 4.707e-05/0.005181, allocations: 35.64 kB / 0.523 GB, free: 15.33 MB / 0.4948 GB Notification: Performance of preOpt resolveLoops (simulation): time 1.778e-05/0.005198, allocations: 11.72 kB / 0.5231 GB, free: 15.31 MB / 0.4948 GB Notification: Performance of preOpt evalFunc (simulation): time 4.349e-06/0.005203, allocations: 2.031 kB / 0.5231 GB, free: 15.31 MB / 0.4948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.712e-05/0.0053, allocations: 65.12 kB / 0.5231 GB, free: 15.23 MB / 0.4948 GB Notification: Performance of pre-optimization done (n=7): time 1.123e-06/0.005301, allocations: 0 / 0.5231 GB, free: 15.23 MB / 0.4948 GB Notification: Performance of matching and sorting (n=7): time 0.0001957/0.005497, allocations: 69.92 kB / 0.5232 GB, free: 15.16 MB / 0.4948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.364e-05/0.00554, allocations: 66.59 kB / 0.5233 GB, free: 15.09 MB / 0.4948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 5.144e-05/0.005592, allocations: 150.2 kB / 0.5234 GB, free: 14.93 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 1.813e-05/0.00561, allocations: 33.7 kB / 0.5234 GB, free: 14.89 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 3.431e-05/0.005644, allocations: 126.9 kB / 0.5235 GB, free: 14.76 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 2.604e-05/0.00567, allocations: 15.91 kB / 0.5236 GB, free: 14.74 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.839e-05/0.005719, allocations: 35.36 kB / 0.5236 GB, free: 14.7 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 0.0001321/0.005851, allocations: 0.4884 MB / 0.5241 GB, free: 14.2 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 3.015e-05/0.005881, allocations: 19.92 kB / 0.5241 GB, free: 14.18 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 6.878e-05/0.00595, allocations: 84.14 kB / 0.5242 GB, free: 14.07 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001086/0.006058, allocations: 96.78 kB / 0.5243 GB, free: 13.95 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.945e-06/0.006061, allocations: 0 / 0.5243 GB, free: 13.95 MB / 0.4948 GB Notification: Performance of matching and sorting (n=13) (initialization): time 0.0001525/0.006214, allocations: 107.4 kB / 0.5244 GB, free: 13.84 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 1.301e-05/0.006227, allocations: 4 kB / 0.5244 GB, free: 13.84 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.174e-06/0.006234, allocations: 5.031 kB / 0.5244 GB, free: 13.83 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.365e-05/0.006248, allocations: 0 / 0.5244 GB, free: 13.83 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001066/0.006354, allocations: 29.11 kB / 0.5244 GB, free: 13.8 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.135e-06/0.006362, allocations: 7.875 kB / 0.5244 GB, free: 13.8 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 3.626e-05/0.006399, allocations: 11.94 kB / 0.5244 GB, free: 13.79 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.666e-06/0.006407, allocations: 4.625 kB / 0.5244 GB, free: 13.78 MB / 0.4948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 13 (QAggShi_flow[5],$PRE.QAggShi_flow[5],QAggShi_flow[4],$PRE.QAggShi_flow[4],QAggShi_flow[3],$PRE.QAggShi_flow[3],QAggShi_flow[2],$PRE.QAggShi_flow[2],QAggShi_flow[1],$PRE.QAggShi_flow[1],curCel,$PRE.curCel,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (13): * Single equations (assignments): 13 * 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 prepare postOptimizeDAE: time 9.028e-05/0.006498, allocations: 169.1 kB / 0.5246 GB, free: 13.61 MB / 0.4948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.161e-05/0.006509, allocations: 6.359 kB / 0.5246 GB, free: 13.6 MB / 0.4948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.353e-05/0.006533, allocations: 7.953 kB / 0.5246 GB, free: 13.6 MB / 0.4948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.414e-06/0.006535, allocations: 0 / 0.5246 GB, free: 13.6 MB / 0.4948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.99e-06/0.00654, allocations: 3.938 kB / 0.5246 GB, free: 13.59 MB / 0.4948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.598e-06/0.006545, allocations: 4 kB / 0.5246 GB, free: 13.59 MB / 0.4948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 8.574e-05/0.00663, allocations: 104.6 kB / 0.5247 GB, free: 13.45 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.533e-06/0.006632, allocations: 2.438 kB / 0.5247 GB, free: 13.45 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.184e-06/0.006634, allocations: 0 / 0.5247 GB, free: 13.45 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.026e-06/0.006637, allocations: 7.984 kB / 0.5247 GB, free: 13.45 MB / 0.4948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.833e-06/0.006644, allocations: 3.938 kB / 0.5247 GB, free: 13.44 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.072e-06/0.006645, allocations: 0 / 0.5247 GB, free: 13.44 MB / 0.4948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.61e-07/0.006646, allocations: 0 / 0.5247 GB, free: 13.44 MB / 0.4948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001184/0.006764, allocations: 104.4 kB / 0.5248 GB, free: 13.32 MB / 0.4948 GB Notification: Performance of postOpt removeConstants (simulation): time 5.3e-06/0.00677, allocations: 1.844 kB / 0.5248 GB, free: 13.32 MB / 0.4948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.976e-05/0.006789, allocations: 4 kB / 0.5248 GB, free: 13.31 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 1.065e-05/0.0068, allocations: 0 / 0.5248 GB, free: 13.31 MB / 0.4948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.055e-05/0.006821, allocations: 3.984 kB / 0.5248 GB, free: 13.31 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.417e-05/0.006835, allocations: 11.88 kB / 0.5248 GB, free: 13.3 MB / 0.4948 GB Notification: Performance of sorting global known variables: time 3.438e-05/0.006869, allocations: 120.2 kB / 0.525 GB, free: 13.18 MB / 0.4948 GB Notification: Performance of sort global known variables: time 7.1e-08/0.006869, allocations: 0 / 0.525 GB, free: 13.18 MB / 0.4948 GB Notification: Performance of remove unused functions: time 0.0002711/0.00714, allocations: 27.94 kB / 0.525 GB, free: 13.15 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: 7 ($whenCondition1,curCel,QAggShi_flow[1],QAggShi_flow[2],QAggShi_flow[3],QAggShi_flow[4],QAggShi_flow[5]) * Number of discrete states: 5 (QAggShi_flow[1],QAggShi_flow[2],QAggShi_flow[3],QAggShi_flow[4],QAggShi_flow[5]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (2): * Single equations (assignments): 1 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 1 * 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 0.0001684/0.007309, allocations: 121.7 kB / 0.5251 GB, free: 13.02 MB / 0.4948 GB Notification: Performance of simCode: created initialization part: time 0.0001208/0.007429, allocations: 60.81 kB / 0.5252 GB, free: 12.96 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 1.353e-06/0.007431, allocations: 0 / 0.5252 GB, free: 12.96 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 2.363e-05/0.007454, allocations: 15.69 kB / 0.5252 GB, free: 12.94 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001477/0.007602, allocations: 4.594 kB / 0.5252 GB, free: 12.94 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0002564/0.007859, allocations: 115 kB / 0.5253 GB, free: 12.8 MB / 0.4948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 3.519e-05/0.007894, allocations: 63.28 kB / 0.5254 GB, free: 12.71 MB / 0.4948 GB Notification: Performance of simCode: alias equations: time 2.224e-05/0.007916, allocations: 5.5 kB / 0.5254 GB, free: 12.71 MB / 0.4948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 2.089e-05/0.007937, allocations: 12.5 kB / 0.5254 GB, free: 12.7 MB / 0.4948 GB Notification: Performance of SimCode: time 6.72e-07/0.007938, allocations: 0.9688 kB / 0.5254 GB, free: 12.7 MB / 0.4948 GB Notification: Performance of Templates: time 0.003178/0.01112, allocations: 0.7439 MB / 0.5261 GB, free: 12.04 MB / 0.4948 GB " [Timeout remaining time 660] make -j1 -f IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells.makefile [Timeout 660] (rm -f IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells.pipe ; mkfifo IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells.pipe >> ../files/IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells.sim & ./IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells -abortSlowSimulation -alarm=240 -lv LOG_STATS > IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 3.4010623800568283]