Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1.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 0.001356/0.001356, allocations: 73.88 kB / 20.65 MB, free: 3.844 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 0.9568/0.9568, allocations: 177.2 MB / 201.1 MB, free: 5.402 MB / 186.7 MB " [Timeout remaining time 179] 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 0.002044/0.002044, allocations: 156.5 kB / 257.7 MB, free: 12.8 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/package.mo): time 0.318/0.318, allocations: 80.25 MB / 394.5 MB, free: 1.977 MB / 314.7 MB " [Timeout remaining time 179] Using package OpenIPSL with version 3.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/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 Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Tests.Banks.PSSE.CSVGN1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1") translateModel(OpenIPSL.Tests.Banks.PSSE.CSVGN1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.362e-06/1.362e-06, allocations: 0 / 491 MB, free: 11.3 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.371e-05/2.508e-05, allocations: 6.141 kB / 491 MB, free: 11.3 MB / 410.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Banks.PSSE.CSVGN1): time 0.007701/0.007726, allocations: 8.027 MB / 499.1 MB, free: 3.242 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.005277/0.013, allocations: 2.669 MB / 0.49 GB, free: 0.582 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001094/0.0141, allocations: 16 kB / 0.49 GB, free: 0.5664 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0008457/0.01494, allocations: 337.6 kB / 0.4903 GB, free: 240 kB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002283/0.01723, allocations: 1.147 MB / 0.4914 GB, free: 15.09 MB / 426.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.00149/0.01872, allocations: 0.9095 MB / 0.4923 GB, free: 14.19 MB / 426.7 MB Notification: Performance of NFFlatten.flatten: time 0.002685/0.0214, allocations: 2.395 MB / 0.4947 GB, free: 11.79 MB / 426.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005293/0.02193, allocations: 309.7 kB / 0.495 GB, free: 11.46 MB / 426.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001758/0.02369, allocations: 1.341 MB / 0.4963 GB, free: 10.11 MB / 426.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0009782/0.02467, allocations: 0.9862 MB / 0.4972 GB, free: 9.125 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.000198/0.02487, allocations: 196 kB / 0.4974 GB, free: 8.934 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0005468/0.02541, allocations: 385.3 kB / 0.4978 GB, free: 8.559 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002988/0.02571, allocations: 0.4902 MB / 0.4983 GB, free: 8.066 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004975/0.02621, allocations: 0.6658 MB / 0.4989 GB, free: 7.398 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001639/0.02785, allocations: 1.736 MB / 0.5006 GB, free: 5.656 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.938e-06/0.02785, allocations: 5 kB / 0.5006 GB, free: 5.652 MB / 426.7 MB Notification: Performance of FrontEnd: time 8.12e-07/0.02785, allocations: 0 / 0.5006 GB, free: 5.652 MB / 426.7 MB Notification: Performance of Transformations before backend: time 1.645e-05/0.02787, allocations: 0 / 0.5006 GB, free: 5.652 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 262 * Number of variables: 262 Notification: Performance of Generate backend data structure: time 0.007091/0.03496, allocations: 4.099 MB / 0.5046 GB, free: 1.52 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.708e-05/0.035, allocations: 8.031 kB / 0.5046 GB, free: 1.512 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002482/0.03748, allocations: 0.9276 MB / 0.5055 GB, free: 0.582 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001191/0.03867, allocations: 1.054 MB / 0.5066 GB, free: 15.49 MB / 442.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000311/0.03898, allocations: 0.5657 MB / 0.5071 GB, free: 14.82 MB / 442.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000161/0.03914, allocations: 123.9 kB / 0.5072 GB, free: 14.7 MB / 442.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001149/0.04029, allocations: 0.9371 MB / 0.5081 GB, free: 13.7 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.795e-05/0.04031, allocations: 4 kB / 0.5081 GB, free: 13.69 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.307e-05/0.0404, allocations: 51.92 kB / 0.5082 GB, free: 13.64 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.503e-05/0.04042, allocations: 24 kB / 0.5082 GB, free: 13.62 MB / 442.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00106/0.04148, allocations: 0.5214 MB / 0.5087 GB, free: 13.07 MB / 442.7 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004564/0.04604, allocations: 3.486 MB / 0.5121 GB, free: 9.531 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002722/0.04876, allocations: 1.42 MB / 0.5135 GB, free: 8.098 MB / 442.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004444/0.04921, allocations: 363.1 kB / 0.5139 GB, free: 7.738 MB / 442.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001022/0.04931, allocations: 33.3 kB / 0.5139 GB, free: 7.707 MB / 442.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006716/0.04998, allocations: 0.5957 MB / 0.5145 GB, free: 7.086 MB / 442.7 MB Notification: Performance of pre-optimization done (n=138): time 3.787e-06/0.04998, allocations: 0 / 0.5145 GB, free: 7.086 MB / 442.7 MB Notification: Performance of matching and sorting (n=138): time 0.02333/0.07332, allocations: 9.296 MB / 0.5236 GB, free: 13.77 MB / 458.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.291e-05/0.07338, allocations: 124.1 kB / 0.5237 GB, free: 13.62 MB / 458.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001359/0.07474, allocations: 1.244 MB / 0.5249 GB, free: 12.35 MB / 458.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001808/0.07492, allocations: 49.7 kB / 0.5249 GB, free: 12.29 MB / 458.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004162/0.07534, allocations: 0.7298 MB / 0.5256 GB, free: 11.56 MB / 458.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003906/0.07573, allocations: 0.519 MB / 0.5262 GB, free: 11.04 MB / 458.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004155/0.07614, allocations: 349 kB / 0.5265 GB, free: 10.69 MB / 458.7 MB Notification: Performance of setup shared object (initialization): time 0.0001188/0.07626, allocations: 484.7 kB / 0.527 GB, free: 10.21 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006272/0.07689, allocations: 407.4 kB / 0.5273 GB, free: 9.809 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007593/0.07765, allocations: 0.7077 MB / 0.528 GB, free: 9.02 MB / 458.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001375/0.07902, allocations: 1.154 MB / 0.5292 GB, free: 7.801 MB / 458.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.001e-06/0.07903, allocations: 0 / 0.5292 GB, free: 7.801 MB / 458.7 MB Notification: Performance of matching and sorting (n=237) (initialization): time 0.003877/0.08291, allocations: 2.278 MB / 0.5314 GB, free: 5.508 MB / 458.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.253e-05/0.08293, allocations: 11.94 kB / 0.5314 GB, free: 5.496 MB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.014e-05/0.08294, allocations: 4 kB / 0.5314 GB, free: 5.492 MB / 458.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003938/0.08688, allocations: 2.032 MB / 0.5334 GB, free: 3.453 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006739/0.08755, allocations: 279.6 kB / 0.5336 GB, free: 3.18 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002325/0.08988, allocations: 1.9 MB / 0.5355 GB, free: 1.25 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001007/0.09088, allocations: 218.8 kB / 0.5357 GB, free: 1.035 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.009e-05/0.09097, allocations: 47.98 kB / 0.5358 GB, free: 0.9883 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008686/0.09184, allocations: 0.5455 MB / 0.5363 GB, free: 448 kB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001009/0.09285, allocations: 0.689 MB / 0.537 GB, free: 15.66 MB / 474.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001315/0.09417, allocations: 1.165 MB / 0.5381 GB, free: 14.43 MB / 474.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.289e-06/0.09417, allocations: 0 / 0.5381 GB, free: 14.43 MB / 474.7 MB Notification: Performance of matching and sorting (n=237) (initialization_lambda0): time 0.003507/0.09768, allocations: 2.266 MB / 0.5403 GB, free: 12.15 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.663e-05/0.09769, allocations: 7.938 kB / 0.5403 GB, free: 12.14 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.372e-06/0.0977, allocations: 7.938 kB / 0.5403 GB, free: 12.14 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003793/0.1015, allocations: 2.028 MB / 0.5423 GB, free: 10.1 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006441/0.1021, allocations: 279.6 kB / 0.5426 GB, free: 9.828 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002473/0.1046, allocations: 1.881 MB / 0.5444 GB, free: 7.91 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009864/0.1056, allocations: 195 kB / 0.5446 GB, free: 7.719 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.705e-05/0.1057, allocations: 51.98 kB / 0.5446 GB, free: 7.668 MB / 474.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 3 (cSVGN1.leadLagLim.integrator.local_reset,$whenCondition2,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (163): * Single equations (assignments): 162 * 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 {(30,45)} Notification: Performance of prepare postOptimizeDAE: time 0.000334/0.106, allocations: 351.8 kB / 0.545 GB, free: 7.316 MB / 474.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002699/0.1063, allocations: 218.8 kB / 0.5452 GB, free: 7.102 MB / 474.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006118/0.1124, allocations: 3.231 MB / 0.5483 GB, free: 3.836 MB / 474.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.277e-05/0.1124, allocations: 15.94 kB / 0.5484 GB, free: 3.82 MB / 474.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.785e-06/0.1124, allocations: 0 / 0.5484 GB, free: 3.82 MB / 474.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.287e-05/0.1124, allocations: 11.97 kB / 0.5484 GB, free: 3.809 MB / 474.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007901/0.1203, allocations: 4.274 MB / 0.5525 GB, free: 15.49 MB / 490.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.302e-06/0.1203, allocations: 0 / 0.5525 GB, free: 15.49 MB / 490.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003874/0.1207, allocations: 127.9 kB / 0.5527 GB, free: 15.37 MB / 490.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.006799/0.1275, allocations: 2.58 MB / 0.5552 GB, free: 12.78 MB / 490.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001332/0.1277, allocations: 28 kB / 0.5552 GB, free: 12.75 MB / 490.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.009984/0.1376, allocations: 6.13 MB / 0.5612 GB, free: 6.496 MB / 490.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.226e-06/0.1376, allocations: 4 kB / 0.5612 GB, free: 6.492 MB / 490.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007289/0.1449, allocations: 3.683 MB / 0.5648 GB, free: 2.77 MB / 490.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004454/0.1454, allocations: 206.4 kB / 0.565 GB, free: 2.566 MB / 490.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001767/0.1456, allocations: 28 kB / 0.565 GB, free: 2.539 MB / 490.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006726/0.1462, allocations: 103.9 kB / 0.5651 GB, free: 2.438 MB / 490.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005448/0.1468, allocations: 273.4 kB / 0.5654 GB, free: 2.172 MB / 490.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.166e-05/0.1468, allocations: 31.98 kB / 0.5654 GB, free: 2.141 MB / 490.7 MB Notification: Performance of sorting global known variables: time 0.0005807/0.1474, allocations: 0.7365 MB / 0.5661 GB, free: 1.406 MB / 490.7 MB Notification: Performance of sort global known variables: time 8e-08/0.1474, allocations: 0 / 0.5661 GB, free: 1.406 MB / 490.7 MB Notification: Performance of remove unused functions: time 0.001536/0.149, allocations: 0.8974 MB / 0.567 GB, free: 0.5078 MB / 490.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 11 (gENCLS.omega,gENCLS.delta,gENCLS.eq,gENSAL.w,gENSAL.delta,gENSAL.Epq,gENSAL.PSIkd,gENSAL.PSIppq,cSVGN1.LagLim.state,cSVGN1.leadLag.TF.x_scaled[1],cSVGN1.leadLagLim.integrator.y) * Number of discrete variables: 2 ($whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (76): * Single equations (assignments): 75 * 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 {(28,40)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0002888/0.1492, allocations: 155 kB / 0.5672 GB, free: 356 kB / 490.7 MB Notification: Performance of simCode: created initialization part: time 0.005974/0.1552, allocations: 3.008 MB / 0.5701 GB, free: 13.33 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 3.808e-06/0.1552, allocations: 0 / 0.5701 GB, free: 13.33 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 0.003108/0.1583, allocations: 1.52 MB / 0.5716 GB, free: 11.79 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009472/0.1593, allocations: 188.6 kB / 0.5718 GB, free: 11.6 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003672/0.1629, allocations: 2.79 MB / 0.5745 GB, free: 8.766 MB / 0.4948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002326/0.1632, allocations: 305.5 kB / 0.5748 GB, free: 8.445 MB / 0.4948 GB Notification: Performance of simCode: alias equations: time 0.0004637/0.1636, allocations: 158.5 kB / 0.5749 GB, free: 8.285 MB / 0.4948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003701/0.164, allocations: 246.2 kB / 0.5752 GB, free: 8.043 MB / 0.4948 GB Notification: Performance of SimCode: time 1.402e-06/0.164, allocations: 3.938 kB / 0.5752 GB, free: 8.039 MB / 0.4948 GB Notification: Performance of Templates: time 0.1985/0.3625, allocations: 43.22 MB / 0.6174 GB, free: 152.3 MB / 0.5105 GB " [Timeout remaining time 660] make -j1 -f OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1.makefile [Timeout 660] (rm -f OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1.sim & ./OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1 -abortSlowSimulation -alarm=240 -lv LOG_STATS > OpenIPSL_OpenIPSL.Tests.Banks.PSSE.CSVGN1.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 4.426375982817262]