Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance.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 0.001373/0.001373, allocations: 115.8 kB / 20.43 MB, free: 1.457 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 0.00148/0.00148, allocations: 213.3 kB / 23.75 MB, free: 4.668 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 1.516/1.516, allocations: 230.6 MB / 257.5 MB, free: 8.012 MB / 206.1 MB " [Timeout remaining time 178] 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: "" <> buildModelFMU(Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance,fileNamePrefix="Modelica_4_1_0_Modelica_Magnetic_QuasiStatic_FundamentalWave_Examples_Components_PolyphaseInductance",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance,fileNamePrefix="Modelica_4_1_0_Modelica_Magnetic_QuasiStatic_FundamentalWave_Examples_Components_PolyphaseInductance",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001566/0.001566, allocations: 43.94 kB / 377.8 MB, free: 3.133 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2501/0.2516, allocations: 53.36 MB / 431.1 MB, free: 6.852 MB / 334.1 MB Notification: Performance of NFInst.instantiate(Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance): time 0.0122/0.2638, allocations: 10.07 MB / 441.2 MB, free: 12.73 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.00719/0.271, allocations: 3.431 MB / 444.7 MB, free: 9.293 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001672/0.2727, allocations: 83.62 kB / 444.7 MB, free: 9.211 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.009307/0.282, allocations: 3.884 MB / 448.6 MB, free: 5.316 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005246/0.2872, allocations: 1.564 MB / 450.2 MB, free: 3.75 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002807/0.29, allocations: 1.075 MB / 451.3 MB, free: 2.68 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0128/0.3028, allocations: 9.345 MB / 460.6 MB, free: 9.301 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.02219/0.325, allocations: 12.95 MB / 473.5 MB, free: 12.21 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.008704/0.3337, allocations: 5.179 MB / 478.7 MB, free: 7.02 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01114/0.3449, allocations: 6.165 MB / 484.9 MB, free: 0.8359 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.003671/0.3485, allocations: 1.398 MB / 486.3 MB, free: 15.43 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.006019/0.3546, allocations: 1.656 MB / 487.9 MB, free: 13.78 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.005049/0.3596, allocations: 2.93 MB / 490.9 MB, free: 10.84 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.009599/0.3692, allocations: 5.455 MB / 496.3 MB, free: 5.367 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.02273/0.3919, allocations: 18.9 MB / 0.5032 GB, free: 2.414 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.811e-06/0.3919, allocations: 4 kB / 0.5032 GB, free: 2.41 MB / 414.1 MB Notification: Performance of FrontEnd: time 4.218e-06/0.3919, allocations: 7.922 kB / 0.5032 GB, free: 2.402 MB / 414.1 MB Notification: Performance of Transformations before backend: time 0.0004337/0.3924, allocations: 0 / 0.5032 GB, free: 2.402 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2549 * Number of variables: 2549 Notification: Performance of Generate backend data structure: time 0.03727/0.4297, allocations: 12.37 MB / 0.5152 GB, free: 5.953 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.924e-05/0.4297, allocations: 11.97 kB / 0.5153 GB, free: 5.941 MB / 430.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.005001/0.4347, allocations: 1.332 MB / 0.5166 GB, free: 4.602 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04962/0.4843, allocations: 8.425 MB / 0.5248 GB, free: 12.16 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01557/0.4999, allocations: 6.023 MB / 0.5307 GB, free: 6.074 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008184/0.5007, allocations: 0.6623 MB / 0.5313 GB, free: 5.41 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004007/0.5047, allocations: 0.871 MB / 0.5322 GB, free: 4.539 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.4493/0.9541, allocations: 16.01 MB / 0.5478 GB, free: 80.54 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002561/0.9543, allocations: 9.797 kB / 0.5478 GB, free: 80.54 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001964/0.9563, allocations: 366.9 kB / 0.5482 GB, free: 80.27 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004008/0.9567, allocations: 0.5589 MB / 0.5487 GB, free: 80.21 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02616/0.9829, allocations: 15.77 MB / 0.5641 GB, free: 72.18 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06633/1.049, allocations: 46.68 MB / 0.6097 GB, free: 25.37 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01339/1.063, allocations: 8.498 MB / 0.618 GB, free: 17.32 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0043/1.067, allocations: 3.253 MB / 0.6212 GB, free: 14.08 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003772/1.067, allocations: 139.3 kB / 0.6213 GB, free: 13.97 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.708e-05/1.067, allocations: 82.56 kB / 0.6214 GB, free: 13.88 MB / 446.1 MB Notification: Performance of pre-optimization done (n=468): time 6.732e-06/1.067, allocations: 4 kB / 0.6214 GB, free: 13.88 MB / 446.1 MB Notification: Performance of matching and sorting (n=468): time 0.01976/1.087, allocations: 11.11 MB / 0.6322 GB, free: 2.75 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.74e-05/1.087, allocations: 125.1 kB / 0.6324 GB, free: 2.609 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005287/1.092, allocations: 3.854 MB / 0.6361 GB, free: 14.81 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 0.000648/1.093, allocations: 101.7 kB / 0.6362 GB, free: 14.71 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.003029/1.096, allocations: 4.047 MB / 0.6402 GB, free: 11.08 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.002054/1.098, allocations: 1.689 MB / 0.6418 GB, free: 9.379 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002419/1.101, allocations: 1.496 MB / 0.6433 GB, free: 7.875 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 0.0001296/1.101, allocations: 301.1 kB / 0.6436 GB, free: 7.578 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006179/1.107, allocations: 3.691 MB / 0.6472 GB, free: 3.883 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.009576/1.116, allocations: 6.535 MB / 0.6536 GB, free: 12.05 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01564/1.132, allocations: 10.85 MB / 0.6642 GB, free: 15.86 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.33e-05/1.132, allocations: 31.94 kB / 0.6642 GB, free: 15.83 MB / 494.1 MB Notification: Performance of matching and sorting (n=938) (initialization): time 0.02355/1.156, allocations: 11.96 MB / 0.6759 GB, free: 3.797 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 8.267e-05/1.156, allocations: 44 kB / 0.6759 GB, free: 3.754 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001584/1.156, allocations: 99.94 kB / 0.676 GB, free: 3.656 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.005197/1.161, allocations: 1.621 MB / 0.6776 GB, free: 2.016 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006432/1.168, allocations: 1.669 MB / 0.6792 GB, free: 352 kB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02202/1.19, allocations: 17.07 MB / 0.6959 GB, free: 14.58 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006466/1.196, allocations: 0.9624 MB / 0.6968 GB, free: 13.61 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001523/1.198, allocations: 371.9 kB / 0.6972 GB, free: 13.25 MB / 0.5138 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 424 * 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 (876): * Single equations (assignments): 870 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(8,30,100.0%), (1,5,100.0%), (1,5,100.0%), (1,5,100.0%), (1,5,100.0%), (1,5,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.007698/1.205, allocations: 3.76 MB / 0.7009 GB, free: 9.477 MB / 0.5138 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001024/1.206, allocations: 409.3 kB / 0.7012 GB, free: 9.074 MB / 0.5138 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01657/1.223, allocations: 8.526 MB / 0.7096 GB, free: 472 kB / 0.5138 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.762e-05/1.223, allocations: 51.94 kB / 0.7096 GB, free: 420 kB / 0.5138 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.204e-05/1.223, allocations: 16.11 kB / 0.7096 GB, free: 404 kB / 0.5138 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.927e-05/1.223, allocations: 23.91 kB / 0.7097 GB, free: 380 kB / 0.5138 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03335/1.256, allocations: 16.86 MB / 0.7261 GB, free: 15.34 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.592e-05/1.256, allocations: 0 / 0.7261 GB, free: 15.34 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003707/1.26, allocations: 0.8698 MB / 0.727 GB, free: 14.47 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.004712/1.265, allocations: 1.518 MB / 0.7285 GB, free: 12.93 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006006/1.265, allocations: 104 kB / 0.7286 GB, free: 12.83 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2917/1.557, allocations: 16.85 MB / 0.745 GB, free: 173.1 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.999e-06/1.557, allocations: 10.12 kB / 0.745 GB, free: 173.1 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.018/1.575, allocations: 12.25 MB / 0.757 GB, free: 169.3 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003294/1.579, allocations: 1.084 MB / 0.758 GB, free: 169 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001028/1.58, allocations: 87.38 kB / 0.7581 GB, free: 168.9 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002666/1.582, allocations: 298.4 kB / 0.7584 GB, free: 168.9 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008212/1.583, allocations: 341.7 kB / 0.7587 GB, free: 168.8 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002742/1.583, allocations: 145.8 kB / 0.7589 GB, free: 168.8 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.003686/1.587, allocations: 2.572 MB / 0.7614 GB, free: 167.9 MB / 0.545 GB Notification: Performance of sort global known variables: time 2.3e-07/1.587, allocations: 0 / 0.7614 GB, free: 167.9 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.008367/1.595, allocations: 2.414 MB / 0.7637 GB, free: 167.4 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 2 (voltageSource_m.plug_p.reference.gamma,voltageSource_e.plug_p.reference.gamma) * 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 (455): * Single equations (assignments): 449 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(8,30,100.0%), (1,5,100.0%), (1,5,100.0%), (1,5,100.0%), (1,5,100.0%), (1,5,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01794/1.613, allocations: 12.98 MB / 0.7764 GB, free: 161.9 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.0146/1.628, allocations: 9.011 MB / 0.7852 GB, free: 155 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 1.064e-05/1.628, allocations: 3.406 kB / 0.7852 GB, free: 155 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.007714/1.636, allocations: 4.183 MB / 0.7893 GB, free: 151.4 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006176/1.642, allocations: 0.7324 MB / 0.79 GB, free: 150.8 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09539/1.737, allocations: 61.41 MB / 0.85 GB, free: 86.73 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006273/1.743, allocations: 6.042 MB / 0.8559 GB, free: 80.65 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.006779/1.75, allocations: 3.255 MB / 0.8591 GB, free: 77.39 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004937/1.755, allocations: 3.069 MB / 0.8621 GB, free: 74.32 MB / 0.545 GB Notification: Performance of SimCode: time 1.503e-06/1.755, allocations: 0 / 0.8621 GB, free: 74.32 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4501/2.205, allocations: 133.9 MB / 0.9928 GB, free: 169.5 MB / 0.5607 GB Notification: Performance of buildModelFMU: Generate platform static: time 22.04/24.25, allocations: 15.38 kB / 0.9928 GB, free: 169.5 MB / 0.5607 GB " [Timeout remaining time 636] (rm -f Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance.pipe ; mkfifo Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance.pipe ; head -c 1048576 < Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance.pipe >> ../files/Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance.sim & python3 -m fmpy simulate --output-file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv --start-time 0 --stop-time 100 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.01 Modelica_4_1_0_Modelica_Magnetic_QuasiStatic_FundamentalWave_Examples_Components_PolyphaseInductance.fmu > Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Magnetic/QuasiStatic/FundamentalWave/Examples/Components/PolyphaseInductance/PolyphaseInductance.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable Ie.re in file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv. Warning: Get data of variable Ie.re from file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv failed! Error: Could not read variable Ie.im in file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv. Warning: Get data of variable Ie.im from file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv failed! Error: Could not read variable Im.re in file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv. Warning: Get data of variable Im.re from file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv failed! Error: Could not read variable Im.im in file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv. Warning: Get data of variable Im.im from file Modelica_4.1.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.Components.PolyphaseInductance_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 27.220877366999048]