Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.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 0.002264/0.002264, allocations: 111.1 kB / 20.44 MB, free: 1.184 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 0.003064/0.003064, allocations: 208.4 kB / 23.73 MB, free: 4.387 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 1.586/1.586, allocations: 230.6 MB / 257.5 MB, free: 7.801 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems master/package.mo): time 0.1945/0.1945, allocations: 38.56 MB / 352.5 MB, free: 12.31 MB / 286.1 MB " [Timeout remaining time 180] Using package PowerSystems with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems master/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(PowerSystems.Examples.Introductory.SimulationFixedInitial,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="Time|meter.i.1.|meter.i.2.|meter.i.3.|meter.p.1.|meter.p.2.|meter.p.3.|meter.v.1.|meter.v.2.|meter.v.3.",fileNamePrefix="PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial") translateModel(PowerSystems.Examples.Introductory.SimulationFixedInitial,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="Time|meter.i.1.|meter.i.2.|meter.i.3.|meter.p.1.|meter.p.2.|meter.p.3.|meter.v.1.|meter.v.2.|meter.v.3.",fileNamePrefix="PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial") [Timeout 660] "Notification: PowerSystems 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 0.002177/0.002177, allocations: 67.84 kB / 493 MB, free: 4.207 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4092/0.4114, allocations: 62.46 MB / 0.5424 GB, free: 436 kB / 382.1 MB Notification: Performance of NFInst.instantiate(PowerSystems.Examples.Introductory.SimulationFixedInitial): time 0.009837/0.4212, allocations: 7.158 MB / 0.5494 GB, free: 10.98 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.005158/0.4264, allocations: 2.224 MB / 0.5516 GB, free: 9.246 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000747/0.4271, allocations: 37.16 kB / 0.5516 GB, free: 9.227 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002468/0.4296, allocations: 0.83 MB / 0.5524 GB, free: 8.598 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001782/0.4314, allocations: 0.5056 MB / 0.5529 GB, free: 8.18 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001809/0.4332, allocations: 470.1 kB / 0.5534 GB, free: 7.836 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.002353/0.4355, allocations: 1.318 MB / 0.5547 GB, free: 7.098 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008922/0.4364, allocations: 0.5176 MB / 0.5552 GB, free: 6.754 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001104/0.4375, allocations: 0.5987 MB / 0.5557 GB, free: 6.402 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001192/0.4387, allocations: 0.7007 MB / 0.5564 GB, free: 5.852 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001501/0.4389, allocations: 83.98 kB / 0.5565 GB, free: 5.77 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0007647/0.4396, allocations: 279.6 kB / 0.5568 GB, free: 5.496 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0005977/0.4402, allocations: 0.5181 MB / 0.5573 GB, free: 4.977 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000576/0.4408, allocations: 462 kB / 0.5577 GB, free: 4.523 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001711/0.4425, allocations: 1.346 MB / 0.559 GB, free: 3.172 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.689e-06/0.4425, allocations: 0 / 0.559 GB, free: 3.172 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.523e-06/0.4425, allocations: 0 / 0.559 GB, free: 3.172 MB / 398.1 MB Notification: Performance of Transformations before backend: time 2.214e-05/0.4425, allocations: 3.938 kB / 0.559 GB, free: 3.168 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 224 * Number of variables: 224 Notification: Performance of Generate backend data structure: time 0.002815/0.4454, allocations: 1.301 MB / 0.5603 GB, free: 1.82 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.04e-05/0.4454, allocations: 8.031 kB / 0.5603 GB, free: 1.812 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001194/0.4466, allocations: 204.1 kB / 0.5605 GB, free: 1.613 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001531/0.4481, allocations: 0.6712 MB / 0.5612 GB, free: 0.9141 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.135e-05/0.4482, allocations: 70.36 kB / 0.5612 GB, free: 0.8438 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002367/0.4484, allocations: 104.1 kB / 0.5613 GB, free: 0.7422 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001959/0.4504, allocations: 1.245 MB / 0.5626 GB, free: 15.42 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.845e-05/0.4504, allocations: 11.94 kB / 0.5626 GB, free: 15.41 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.158e-05/0.4505, allocations: 39.98 kB / 0.5626 GB, free: 15.37 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002724/0.4508, allocations: 69.95 kB / 0.5627 GB, free: 15.3 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001703/0.4525, allocations: 1.028 MB / 0.5637 GB, free: 14.27 MB / 414.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006329/0.4588, allocations: 4.304 MB / 0.5679 GB, free: 9.789 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00122/0.46, allocations: 0.6487 MB / 0.5685 GB, free: 9.113 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006824/0.4607, allocations: 437.9 kB / 0.5689 GB, free: 8.672 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 5.404e-05/0.4608, allocations: 20.53 kB / 0.5689 GB, free: 8.652 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000863/0.4616, allocations: 0.5385 MB / 0.5695 GB, free: 8.082 MB / 414.1 MB Notification: Performance of pre-optimization done (n=69): time 2.535e-06/0.4616, allocations: 0 / 0.5695 GB, free: 8.082 MB / 414.1 MB Notification: Performance of matching and sorting (n=73): time 0.004936/0.4666, allocations: 2.806 MB / 0.5722 GB, free: 5.207 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001179/0.4667, allocations: 170.9 kB / 0.5724 GB, free: 5 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007057/0.4674, allocations: 0.5742 MB / 0.5729 GB, free: 4.422 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 6.435e-05/0.4675, allocations: 53.69 kB / 0.573 GB, free: 4.363 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004217/0.4679, allocations: 492.1 kB / 0.5735 GB, free: 3.875 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002525/0.4681, allocations: 265.8 kB / 0.5737 GB, free: 3.613 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002641/0.4684, allocations: 170.6 kB / 0.5739 GB, free: 3.441 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0002181/0.4686, allocations: 394.7 kB / 0.5742 GB, free: 3.047 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000655/0.4693, allocations: 399.5 kB / 0.5746 GB, free: 2.648 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008552/0.4701, allocations: 0.6561 MB / 0.5753 GB, free: 1.875 MB / 414.1 MB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: lineR.i[1] = lineR.i_start[1] (lineL.i_start[1] - lineB.i_start[1] = lineR.i_start[1]) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: lineR.i[2] = lineR.i_start[2] (lineL.i_start[2] - lineB.i_start[2] = lineR.i_start[2]) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: lineR.i[3] = lineR.i_start[3] (lineL.i_start[3] - lineB.i_start[3] = lineR.i_start[3]) Notification: Performance of analyzeInitialSystem (initialization): time 0.007193/0.4773, allocations: 3.224 MB / 0.5784 GB, free: 14.53 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.268e-06/0.4773, allocations: 4 kB / 0.5784 GB, free: 14.53 MB / 430.1 MB Notification: Performance of matching and sorting (n=118) (initialization): time 0.002384/0.4797, allocations: 1.361 MB / 0.5798 GB, free: 13.14 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 4.891e-05/0.4798, allocations: 37.7 kB / 0.5798 GB, free: 13.09 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.915e-05/0.4798, allocations: 8 kB / 0.5798 GB, free: 13.09 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006436/0.4804, allocations: 246.4 kB / 0.58 GB, free: 12.84 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001155/0.4816, allocations: 263.9 kB / 0.5803 GB, free: 12.58 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006235/0.4878, allocations: 5.667 MB / 0.5858 GB, free: 6.605 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008178/0.4886, allocations: 44.06 kB / 0.5859 GB, free: 6.562 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.811e-05/0.4887, allocations: 40 kB / 0.5859 GB, free: 6.523 MB / 430.1 MB Warning: The initial conditions are over specified. The following 3 initial equations are redundant, so they are removed from the initialization system: lineR.i[1] = lineR.i_start[1] lineR.i[2] = lineR.i_start[2] lineR.i[3] = lineR.i_start[3]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * Number of states: 0 () * Number of discrete variables: 14 (system.initime,relayNet.cnt,$PRE.relayNet.cnt,$whenCondition1,$PRE.switch.t0,$PRE.switch.closed,$PRE.switch.open,relayNet.y[1],$PRE.relayNet.y[1],switch.closed,switch.open,switch.t0,switch.control[1],$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (99): * Single equations (assignments): 94 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,7,100.0%), (1,7,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0006653/0.4894, allocations: 387.6 kB / 0.5863 GB, free: 6.133 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001352/0.4895, allocations: 79.53 kB / 0.5863 GB, free: 6.055 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002084/0.4916, allocations: 1.166 MB / 0.5875 GB, free: 4.855 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.422e-05/0.4916, allocations: 15.94 kB / 0.5875 GB, free: 4.84 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.731e-06/0.4916, allocations: 0 / 0.5875 GB, free: 4.84 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.538e-06/0.4916, allocations: 7.984 kB / 0.5875 GB, free: 4.832 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003688/0.4953, allocations: 2.055 MB / 0.5895 GB, free: 2.703 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.681e-06/0.4953, allocations: 4 kB / 0.5895 GB, free: 2.699 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009253/0.4963, allocations: 187.9 kB / 0.5897 GB, free: 2.516 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007588/0.497, allocations: 246.3 kB / 0.5899 GB, free: 2.266 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.237e-05/0.4971, allocations: 27.97 kB / 0.59 GB, free: 2.238 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006379/0.5035, allocations: 5.586 MB / 0.5954 GB, free: 12.35 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.532e-06/0.5035, allocations: 4.031 kB / 0.5954 GB, free: 12.35 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003333/0.5068, allocations: 1.706 MB / 0.5971 GB, free: 10.58 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003445/0.5072, allocations: 71.58 kB / 0.5971 GB, free: 10.51 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001959/0.5074, allocations: 31.95 kB / 0.5972 GB, free: 10.48 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004948/0.5078, allocations: 23.97 kB / 0.5972 GB, free: 10.45 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000194/0.508, allocations: 60.48 kB / 0.5973 GB, free: 10.39 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.273e-05/0.5081, allocations: 23.94 kB / 0.5973 GB, free: 10.37 MB / 446.1 MB Notification: Performance of sorting global known variables: time 0.0006519/0.5088, allocations: 399 kB / 0.5977 GB, free: 9.984 MB / 446.1 MB Notification: Performance of sort global known variables: time 1e-07/0.5088, allocations: 0 / 0.5977 GB, free: 9.984 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.001275/0.51, allocations: 276.1 kB / 0.5979 GB, free: 9.715 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 6 (lineL.i[1],lineL.i[2],lineL.i[3],lineB.i[1],lineB.i[2],lineB.i[3]) * Number of discrete variables: 9 (switch.control[1],$whenCondition2,$whenCondition1,switch.t0,switch.open,switch.closed,relayNet.y[1],relayNet.cnt,system.initime) * Number of discrete states: 5 (relayNet.y[1],relayNet.cnt,$whenCondition1,switch.open,switch.closed) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (55): * Single equations (assignments): 48 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,7,100.0%), (1,7,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002978/0.5103, allocations: 137.7 kB / 0.5981 GB, free: 9.574 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.002938/0.5133, allocations: 1.404 MB / 0.5994 GB, free: 8.105 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 7.634e-06/0.5133, allocations: 4 kB / 0.5994 GB, free: 8.102 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001598/0.5149, allocations: 0.9147 MB / 0.6003 GB, free: 7.133 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001064/0.5159, allocations: 178.5 kB / 0.6005 GB, free: 6.961 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004684/0.5206, allocations: 2.245 MB / 0.6027 GB, free: 4.66 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008831/0.5215, allocations: 0.5126 MB / 0.6032 GB, free: 4.117 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.0007047/0.5222, allocations: 206.3 kB / 0.6034 GB, free: 3.91 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001989/0.5224, allocations: 55.42 kB / 0.6034 GB, free: 3.855 MB / 446.1 MB Notification: Performance of SimCode: time 1.643e-06/0.5224, allocations: 0 / 0.6034 GB, free: 3.855 MB / 446.1 MB Notification: Performance of Templates: time 0.02485/0.5473, allocations: 12.56 MB / 0.6157 GB, free: 7.445 MB / 462.1 MB " [Timeout remaining time 659] make -j1 -f PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.makefile [Timeout 660] (rm -f PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.pipe ; mkfifo PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.pipe ; head -c 1048576 < PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.pipe >> ../files/PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.sim & ./PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.pipe 2>&1) [Timeout 480] diffSimulationResults("PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/PowerSystems/PowerSystems.Examples.Introductory.SimulationFixedInitial.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/PowerSystems_latest_PowerSystems.Examples.Introductory.SimulationFixedInitial.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 5.970927173271775]