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 0.0008768/0.0008768, 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 0.000917/0.000917, allocations: 165 kB / 23.02 MB, free: 1.547 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 0.9281/0.9281, allocations: 177.1 MB / 203.4 MB, free: 5.648 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 0.7516/0.7516, allocations: 154.6 MB / 414.5 MB, free: 0.6719 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 1.383e-06/1.383e-06, allocations: 0 / 0.5204 GB, free: 2.141 MB / 490.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.402e-05/1.54e-05, allocations: 5.484 kB / 0.5204 GB, free: 2.137 MB / 490.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.ShiftAggregationCells): time 0.001413/0.001428, allocations: 1.292 MB / 0.5216 GB, free: 0.8516 MB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.0006653/0.002094, allocations: 0.5016 MB / 0.5221 GB, free: 360 kB / 490.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 1.899e-05/0.002113, allocations: 4 kB / 0.5221 GB, free: 356 kB / 490.7 MB Notification: Performance of NFTyping.typeComponents: time 3.639e-05/0.002149, allocations: 0 / 0.5221 GB, free: 356 kB / 490.7 MB Notification: Performance of NFTyping.typeBindings: time 6.414e-05/0.002213, allocations: 0 / 0.5221 GB, free: 356 kB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003117/0.002525, allocations: 56.27 kB / 0.5222 GB, free: 300 kB / 490.7 MB Notification: Performance of NFFlatten.flatten: time 5.017e-05/0.002575, allocations: 16.64 kB / 0.5222 GB, free: 284 kB / 490.7 MB Notification: Performance of NFFlatten.resolveConnections: time 3.074e-05/0.002606, allocations: 0 / 0.5222 GB, free: 284 kB / 490.7 MB Notification: Performance of NFEvalConstants.evaluate: time 3.438e-05/0.00264, allocations: 12.55 kB / 0.5222 GB, free: 272 kB / 490.7 MB Notification: Performance of NFSimplifyModel.simplify: time 3.512e-05/0.002675, allocations: 9.422 kB / 0.5222 GB, free: 264 kB / 490.7 MB Notification: Performance of NFPackage.collectConstants: time 1.025e-05/0.002685, allocations: 0 / 0.5222 GB, free: 264 kB / 490.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001162/0.002802, allocations: 71.83 kB / 0.5223 GB, free: 192 kB / 490.7 MB Notification: Performance of NFScalarize.scalarize: time 5.182e-05/0.002854, allocations: 7.984 kB / 0.5223 GB, free: 184 kB / 490.7 MB Notification: Performance of NFVerifyModel.verify: time 2.98e-05/0.002883, allocations: 4.781 kB / 0.5223 GB, free: 180 kB / 490.7 MB Notification: Performance of NFConvertDAE.convert: time 0.000116/0.002999, allocations: 75.77 kB / 0.5224 GB, free: 104 kB / 490.7 MB Notification: Performance of FrontEnd - DAE generated: time 1.583e-06/0.003001, allocations: 0.9688 kB / 0.5224 GB, free: 104 kB / 490.7 MB Notification: Performance of FrontEnd: time 5.61e-07/0.003002, allocations: 3.938 kB / 0.5224 GB, free: 100 kB / 490.7 MB Notification: Performance of Transformations before backend: time 3.276e-06/0.003005, allocations: 0 / 0.5224 GB, free: 100 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 0.0002671/0.003272, allocations: 363.2 kB / 0.5227 GB, free: 15.71 MB / 0.4948 GB Notification: Performance of prepare preOptimizeDAE: time 3.017e-05/0.003302, allocations: 8.031 kB / 0.5227 GB, free: 15.7 MB / 0.4948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 3.23e-05/0.003334, allocations: 5.266 kB / 0.5227 GB, free: 15.7 MB / 0.4948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 4.841e-05/0.003383, allocations: 112.6 kB / 0.5229 GB, free: 15.56 MB / 0.4948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.787e-06/0.003392, allocations: 384 / 0.5229 GB, free: 15.56 MB / 0.4948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.169e-05/0.003403, allocations: 8.375 kB / 0.5229 GB, free: 15.55 MB / 0.4948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 7.579e-05/0.003479, allocations: 42.19 kB / 0.5229 GB, free: 15.51 MB / 0.4948 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.043e-06/0.003486, allocations: 0.8125 kB / 0.5229 GB, free: 15.51 MB / 0.4948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.464e-06/0.003494, allocations: 384 / 0.5229 GB, free: 15.51 MB / 0.4948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.981e-06/0.0035, allocations: 5.156 kB / 0.5229 GB, free: 15.5 MB / 0.4948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 1.4e-05/0.003514, allocations: 7.984 kB / 0.5229 GB, free: 15.5 MB / 0.4948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 8.769e-05/0.003601, allocations: 116.6 kB / 0.523 GB, free: 15.35 MB / 0.4948 GB Notification: Performance of preOpt comSubExp (simulation): time 3.804e-05/0.003639, allocations: 28.03 kB / 0.5231 GB, free: 15.31 MB / 0.4948 GB Notification: Performance of preOpt resolveLoops (simulation): time 1.694e-05/0.003656, allocations: 11.72 kB / 0.5231 GB, free: 15.29 MB / 0.4948 GB Notification: Performance of preOpt evalFunc (simulation): time 3.957e-06/0.00366, allocations: 0.9375 kB / 0.5231 GB, free: 15.29 MB / 0.4948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.434e-05/0.003745, allocations: 73.11 kB / 0.5231 GB, free: 15.21 MB / 0.4948 GB Notification: Performance of pre-optimization done (n=7): time 1.212e-06/0.003746, allocations: 0.8125 kB / 0.5231 GB, free: 15.21 MB / 0.4948 GB Notification: Performance of matching and sorting (n=7): time 0.0001851/0.003931, allocations: 65.69 kB / 0.5232 GB, free: 15.14 MB / 0.4948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.69e-05/0.003968, allocations: 60.28 kB / 0.5233 GB, free: 15.07 MB / 0.4948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 4.993e-05/0.004018, allocations: 146.2 kB / 0.5234 GB, free: 14.91 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 1.517e-05/0.004033, allocations: 29.7 kB / 0.5234 GB, free: 14.88 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 3.498e-05/0.004068, allocations: 132 kB / 0.5235 GB, free: 14.74 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 2.807e-05/0.004096, allocations: 19.89 kB / 0.5236 GB, free: 14.72 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.663e-05/0.004142, allocations: 39.38 kB / 0.5236 GB, free: 14.68 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 0.0001286/0.004271, allocations: 496.7 kB / 0.5241 GB, free: 14.18 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 3.019e-05/0.004301, allocations: 17.81 kB / 0.5241 GB, free: 14.16 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 6.568e-05/0.004367, allocations: 84.66 kB / 0.5242 GB, free: 14.05 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001065/0.004473, allocations: 101.3 kB / 0.5243 GB, free: 13.93 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.308e-06/0.004478, allocations: 4 kB / 0.5243 GB, free: 13.93 MB / 0.4948 GB Notification: Performance of matching and sorting (n=13) (initialization): time 0.0003879/0.004866, allocations: 101.4 kB / 0.5244 GB, free: 13.82 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 1.457e-05/0.00488, allocations: 11.12 kB / 0.5244 GB, free: 13.81 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.68e-06/0.004886, allocations: 0 / 0.5244 GB, free: 13.81 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.777e-05/0.004904, allocations: 4 kB / 0.5244 GB, free: 13.81 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.956e-05/0.005003, allocations: 23.88 kB / 0.5244 GB, free: 13.79 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.026e-06/0.005012, allocations: 12.16 kB / 0.5244 GB, free: 13.77 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 3.384e-05/0.005046, allocations: 3.938 kB / 0.5244 GB, free: 13.77 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.031e-05/0.005056, allocations: 8 kB / 0.5244 GB, free: 13.76 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 8.154e-05/0.005138, allocations: 162.4 kB / 0.5246 GB, free: 13.59 MB / 0.4948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.227e-05/0.00515, allocations: 7.953 kB / 0.5246 GB, free: 13.59 MB / 0.4948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.267e-05/0.005173, allocations: 7.969 kB / 0.5246 GB, free: 13.58 MB / 0.4948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.513e-06/0.005174, allocations: 0 / 0.5246 GB, free: 13.58 MB / 0.4948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.029e-06/0.005179, allocations: 3.938 kB / 0.5246 GB, free: 13.58 MB / 0.4948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.296e-06/0.005183, allocations: 1.906 kB / 0.5246 GB, free: 13.58 MB / 0.4948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 8.662e-05/0.005269, allocations: 112.6 kB / 0.5247 GB, free: 13.43 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.42e-07/0.00527, allocations: 0 / 0.5247 GB, free: 13.43 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.224e-06/0.005272, allocations: 3.938 kB / 0.5247 GB, free: 13.43 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.372e-06/0.005274, allocations: 0 / 0.5247 GB, free: 13.43 MB / 0.4948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.434e-06/0.005281, allocations: 2.75 kB / 0.5247 GB, free: 13.43 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.354e-06/0.005284, allocations: 3.984 kB / 0.5247 GB, free: 13.43 MB / 0.4948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.11e-07/0.005284, allocations: 4 kB / 0.5247 GB, free: 13.42 MB / 0.4948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001105/0.005395, allocations: 100.4 kB / 0.5248 GB, free: 13.3 MB / 0.4948 GB Notification: Performance of postOpt removeConstants (simulation): time 6.152e-06/0.005401, allocations: 3.984 kB / 0.5248 GB, free: 13.3 MB / 0.4948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.859e-05/0.00542, allocations: 4 kB / 0.5248 GB, free: 13.29 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 1.063e-05/0.00543, allocations: 0 / 0.5248 GB, free: 13.29 MB / 0.4948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.12e-05/0.005451, allocations: 5.75 kB / 0.5248 GB, free: 13.29 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.251e-05/0.005464, allocations: 3.938 kB / 0.5248 GB, free: 13.29 MB / 0.4948 GB Notification: Performance of sorting global known variables: time 3e-05/0.005494, allocations: 119.2 kB / 0.525 GB, free: 13.17 MB / 0.4948 GB Notification: Performance of sort global known variables: time 9e-08/0.005494, allocations: 4 kB / 0.525 GB, free: 13.16 MB / 0.4948 GB Notification: Performance of remove unused functions: time 0.0002649/0.005759, allocations: 23.94 kB / 0.525 GB, free: 13.14 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 0.000155/0.005914, allocations: 136 kB / 0.5251 GB, free: 13 MB / 0.4948 GB Notification: Performance of simCode: created initialization part: time 0.000112/0.006026, allocations: 44.48 kB / 0.5252 GB, free: 12.95 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 1.523e-06/0.006027, allocations: 0 / 0.5252 GB, free: 12.95 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 2.355e-05/0.006051, allocations: 19.69 kB / 0.5252 GB, free: 12.93 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001467/0.006198, allocations: 8.641 kB / 0.5252 GB, free: 12.92 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0002421/0.00644, allocations: 124.9 kB / 0.5253 GB, free: 12.77 MB / 0.4948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 3.672e-05/0.006477, allocations: 59.3 kB / 0.5254 GB, free: 12.7 MB / 0.4948 GB Notification: Performance of simCode: alias equations: time 1.92e-05/0.006496, allocations: 1.125 kB / 0.5254 GB, free: 12.7 MB / 0.4948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 1.813e-05/0.006514, allocations: 12.5 kB / 0.5254 GB, free: 12.68 MB / 0.4948 GB Notification: Performance of SimCode: time 5.41e-07/0.006514, allocations: 3.938 kB / 0.5254 GB, free: 12.68 MB / 0.4948 GB Notification: Performance of Templates: time 0.002733/0.009248, allocations: 0.7184 MB / 0.5261 GB, free: 12.05 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: 3.635707386303693]