Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.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 0.001647/0.001647, allocations: 111.7 kB / 17.13 MB, free: 5.926 MB / 14.72 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 0.00195/0.00195, allocations: 204 kB / 20.09 MB, free: 2.977 MB / 14.72 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 1.606/1.606, allocations: 230.6 MB / 253.5 MB, free: 15.08 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 2.93/2.93, allocations: 0.49 GB / 0.7922 GB, free: 1.254 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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.Electrical.DC.Loads.Examples.VariableLoad,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|loa1.i.1.|loa2.i.1.|loa3.i.1.",fileNamePrefix="Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad") translateModel(Buildings.Electrical.DC.Loads.Examples.VariableLoad,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|loa1.i.1.|loa2.i.1.|loa3.i.1.",fileNamePrefix="Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002085/0.002085, allocations: 79.89 kB / 1.15 GB, free: 14.86 MB / 0.9356 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8951/0.8972, allocations: 176.1 MB / 1.322 GB, free: 25.04 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.DC.Loads.Examples.VariableLoad): time 0.004578/0.9018, allocations: 3.922 MB / 1.326 GB, free: 22.4 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.002426/0.9042, allocations: 1.818 MB / 1.328 GB, free: 21.16 MB / 1.061 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00019/0.9044, allocations: 11.28 kB / 1.328 GB, free: 21.16 MB / 1.061 GB Notification: Performance of NFTyping.typeComponents: time 0.001219/0.9056, allocations: 464 kB / 1.328 GB, free: 20.88 MB / 1.061 GB Notification: Performance of NFTyping.typeBindings: time 0.0004868/0.9061, allocations: 244.6 kB / 1.328 GB, free: 20.75 MB / 1.061 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005523/0.9067, allocations: 265.8 kB / 1.328 GB, free: 20.62 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.0005814/0.9073, allocations: 0.5101 MB / 1.329 GB, free: 20.39 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004843/0.9077, allocations: 287.1 kB / 1.329 GB, free: 20.27 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002286/0.908, allocations: 213.9 kB / 1.329 GB, free: 20.18 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004208/0.9084, allocations: 251.1 kB / 1.33 GB, free: 20.08 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 6.547e-05/0.9085, allocations: 31.34 kB / 1.33 GB, free: 20.08 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003712/0.9088, allocations: 196 kB / 1.33 GB, free: 20.02 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.0001624/0.909, allocations: 137.8 kB / 1.33 GB, free: 19.96 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.0001747/0.9092, allocations: 180.2 kB / 1.33 GB, free: 19.86 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.0006257/0.9098, allocations: 0.4949 MB / 1.331 GB, free: 19.68 MB / 1.061 GB Notification: Performance of FrontEnd - DAE generated: time 4.167e-06/0.9098, allocations: 1.188 kB / 1.331 GB, free: 19.68 MB / 1.061 GB Notification: Performance of FrontEnd: time 1.192e-06/0.9098, allocations: 0 / 1.331 GB, free: 19.68 MB / 1.061 GB Notification: Performance of Transformations before backend: time 7.745e-06/0.9098, allocations: 4 kB / 1.331 GB, free: 19.68 MB / 1.061 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 82 * Number of variables: 82 Notification: Performance of Generate backend data structure: time 0.00113/0.9109, allocations: 0.6724 MB / 1.331 GB, free: 19.14 MB / 1.061 GB Notification: Performance of prepare preOptimizeDAE: time 4.04e-05/0.911, allocations: 12.83 kB / 1.331 GB, free: 19.14 MB / 1.061 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000581/0.9115, allocations: 82.33 kB / 1.331 GB, free: 19.12 MB / 1.061 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003676/0.9119, allocations: 312.7 kB / 1.332 GB, free: 18.85 MB / 1.061 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.328e-05/0.9119, allocations: 21.06 kB / 1.332 GB, free: 18.84 MB / 1.061 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.229e-05/0.912, allocations: 31.73 kB / 1.332 GB, free: 18.83 MB / 1.061 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008726/0.9129, allocations: 499.2 kB / 1.332 GB, free: 18.59 MB / 1.061 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.393e-05/0.9129, allocations: 0 / 1.332 GB, free: 18.59 MB / 1.061 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.084e-05/0.9129, allocations: 12.8 kB / 1.332 GB, free: 18.59 MB / 1.061 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.672e-05/0.913, allocations: 38.8 kB / 1.332 GB, free: 18.58 MB / 1.061 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007959/0.9138, allocations: 368.8 kB / 1.333 GB, free: 18.47 MB / 1.061 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001971/0.9158, allocations: 2.057 MB / 1.335 GB, free: 16.69 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006829/0.9164, allocations: 203.4 kB / 1.335 GB, free: 16.62 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004057/0.9168, allocations: 144.2 kB / 1.335 GB, free: 16.58 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 2.832e-05/0.9169, allocations: 7.094 kB / 1.335 GB, free: 16.57 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.766e-05/0.9169, allocations: 36.33 kB / 1.335 GB, free: 16.53 MB / 1.061 GB Notification: Performance of pre-optimization done (n=18): time 1.433e-06/0.9169, allocations: 0.5938 kB / 1.335 GB, free: 16.53 MB / 1.061 GB Notification: Performance of matching and sorting (n=18): time 0.001331/0.9182, allocations: 432.7 kB / 1.335 GB, free: 16.32 MB / 1.061 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.732e-05/0.9183, allocations: 53.94 kB / 1.336 GB, free: 16.25 MB / 1.061 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003179/0.9186, allocations: 264.3 kB / 1.336 GB, free: 16.1 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 2.198e-05/0.9186, allocations: 34.92 kB / 1.336 GB, free: 16.06 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001144/0.9187, allocations: 211.2 kB / 1.336 GB, free: 15.88 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 5.075e-05/0.9188, allocations: 72.66 kB / 1.336 GB, free: 15.82 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001089/0.9189, allocations: 57.11 kB / 1.336 GB, free: 15.79 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 6.839e-05/0.9189, allocations: 340.2 kB / 1.336 GB, free: 15.46 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003065/0.9192, allocations: 96.06 kB / 1.337 GB, free: 15.43 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003421/0.9196, allocations: 205.6 kB / 1.337 GB, free: 15.26 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005619/0.9201, allocations: 318.9 kB / 1.337 GB, free: 15.05 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.606e-06/0.9202, allocations: 1.938 kB / 1.337 GB, free: 15.05 MB / 1.061 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.0008298/0.921, allocations: 369.9 kB / 1.337 GB, free: 14.9 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 1.773e-05/0.921, allocations: 6.984 kB / 1.337 GB, free: 14.9 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.957e-06/0.921, allocations: 11.66 kB / 1.337 GB, free: 14.89 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002574/0.9213, allocations: 48.72 kB / 1.337 GB, free: 14.87 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002875/0.9216, allocations: 65.95 kB / 1.338 GB, free: 14.87 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001033/0.9226, allocations: 1.451 MB / 1.339 GB, free: 13.44 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002944/0.9229, allocations: 45.72 kB / 1.339 GB, free: 13.42 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.532e-05/0.9229, allocations: 15.61 kB / 1.339 GB, free: 13.41 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003697/0.9233, allocations: 217.5 kB / 1.339 GB, free: 13.29 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002925/0.9236, allocations: 207.3 kB / 1.339 GB, free: 13.12 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005164/0.9241, allocations: 309.9 kB / 1.34 GB, free: 12.91 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.635e-06/0.9241, allocations: 1.375 kB / 1.34 GB, free: 12.91 MB / 1.061 GB Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.0007586/0.9248, allocations: 362.8 kB / 1.34 GB, free: 12.76 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 1.143e-05/0.9249, allocations: 7.141 kB / 1.34 GB, free: 12.76 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.829e-06/0.9249, allocations: 3.562 kB / 1.34 GB, free: 12.76 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001039/0.925, allocations: 28.98 kB / 1.34 GB, free: 12.75 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002771/0.9252, allocations: 68.84 kB / 1.34 GB, free: 12.74 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007006/0.9259, allocations: 1.416 MB / 1.342 GB, free: 11.32 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002814/0.9262, allocations: 41.02 kB / 1.342 GB, free: 11.3 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.009e-05/0.9262, allocations: 9.812 kB / 1.342 GB, free: 11.3 MB / 1.061 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (32): * Single equations (assignments): 31 * 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 {(1,1)} Notification: Performance of prepare postOptimizeDAE: time 9.444e-05/0.9263, allocations: 198.8 kB / 1.342 GB, free: 11.11 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.353e-05/0.9264, allocations: 29.03 kB / 1.342 GB, free: 11.09 MB / 1.061 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.222e-05/0.9265, allocations: 31.89 kB / 1.342 GB, free: 11.07 MB / 1.061 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.575e-06/0.9265, allocations: 2.625 kB / 1.342 GB, free: 11.07 MB / 1.061 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.449e-06/0.9265, allocations: 4 kB / 1.342 GB, free: 11.07 MB / 1.061 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.749e-06/0.9265, allocations: 1.266 kB / 1.342 GB, free: 11.07 MB / 1.061 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00115/0.9276, allocations: 0.7547 MB / 1.343 GB, free: 10.54 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.665e-06/0.9276, allocations: 1.438 kB / 1.343 GB, free: 10.54 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001972/0.9278, allocations: 48.45 kB / 1.343 GB, free: 10.53 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.713e-05/0.9279, allocations: 26.5 kB / 1.343 GB, free: 10.52 MB / 1.061 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.552e-05/0.9279, allocations: 5.156 kB / 1.343 GB, free: 10.52 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007235/0.9287, allocations: 1.419 MB / 1.344 GB, free: 9.094 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.663e-06/0.9287, allocations: 0 / 1.344 GB, free: 9.094 MB / 1.061 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006071/0.9293, allocations: 371.4 kB / 1.344 GB, free: 8.863 MB / 1.061 GB Notification: Performance of postOpt removeConstants (simulation): time 8.448e-05/0.9293, allocations: 112.5 kB / 1.344 GB, free: 8.754 MB / 1.061 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.104e-05/0.9294, allocations: 10.5 kB / 1.345 GB, free: 8.746 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001939/0.9296, allocations: 20.5 kB / 1.345 GB, free: 8.738 MB / 1.061 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.155e-05/0.9296, allocations: 13.28 kB / 1.345 GB, free: 8.738 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.439e-05/0.9296, allocations: 12.48 kB / 1.345 GB, free: 8.73 MB / 1.061 GB Notification: Performance of sorting global known variables: time 0.0001589/0.9298, allocations: 183.9 kB / 1.345 GB, free: 8.621 MB / 1.061 GB Notification: Performance of sort global known variables: time 8e-08/0.9298, allocations: 0 / 1.345 GB, free: 8.621 MB / 1.061 GB Notification: Performance of remove unused functions: time 0.0006191/0.9304, allocations: 152.1 kB / 1.345 GB, free: 8.582 MB / 1.061 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * 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 (18): * Single equations (assignments): 17 * 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 {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 9.818e-05/0.9305, allocations: 101.1 kB / 1.345 GB, free: 8.492 MB / 1.061 GB Notification: Performance of simCode: created initialization part: time 0.001182/0.9317, allocations: 0.5911 MB / 1.346 GB, free: 8.164 MB / 1.061 GB Notification: Performance of simCode: created event and clocks part: time 3.296e-06/0.9317, allocations: 1.406 kB / 1.346 GB, free: 8.164 MB / 1.061 GB Notification: Performance of simCode: created simulation system equations: time 0.0003302/0.932, allocations: 214.4 kB / 1.346 GB, free: 8.027 MB / 1.061 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005142/0.9326, allocations: 84.92 kB / 1.346 GB, free: 7.996 MB / 1.061 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0008498/0.9334, allocations: 0.6063 MB / 1.346 GB, free: 7.613 MB / 1.061 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002484/0.9337, allocations: 0.7967 MB / 1.347 GB, free: 6.902 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.651e-05/0.9337, allocations: 31.73 kB / 1.347 GB, free: 6.887 MB / 1.061 GB Notification: Performance of SimCode: time 3.91e-07/0.9337, allocations: 0 / 1.347 GB, free: 6.887 MB / 1.061 GB Notification: Performance of Templates: time 0.008754/0.9425, allocations: 4.859 MB / 1.352 GB, free: 6.484 MB / 1.061 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe ; mkfifo Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe >> ../files/Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.sim & ./Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Electrical_DC_Loads_Examples_VariableLoad.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 12.51602174899017]