Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller.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 0.001749/0.001749, allocations: 80.8 kB / 20.75 MB, free: 3.738 MB / 18.57 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 0.002183/0.002183, allocations: 161.4 kB / 24.16 MB, free: 332 kB / 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 1.104/1.104, allocations: 177.1 MB / 204.6 MB, free: 5.48 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 2.174/2.174, allocations: 389.6 MB / 0.6354 GB, free: 12.3 MB / 0.6042 GB " [Timeout remaining time 177] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller") translateModel(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 3.647e-06/3.647e-06, allocations: 0 / 0.7752 GB, free: 5.371 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.207e-05/3.572e-05, allocations: 2.312 kB / 0.7752 GB, free: 5.367 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller): time 0.002281/0.002317, allocations: 1.039 MB / 0.7762 GB, free: 4.355 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.001906/0.004223, allocations: 1.321 MB / 0.7775 GB, free: 3.023 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001436/0.004367, allocations: 11.91 kB / 0.7775 GB, free: 3.016 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.0001679/0.004535, allocations: 21.22 kB / 0.7775 GB, free: 2.996 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 0.0001016/0.004636, allocations: 22.2 kB / 0.7775 GB, free: 2.98 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.000623/0.005259, allocations: 176.2 kB / 0.7777 GB, free: 2.809 MB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.0003125/0.005572, allocations: 230.3 kB / 0.7779 GB, free: 2.586 MB / 0.7292 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001861/0.005758, allocations: 62.31 kB / 0.778 GB, free: 2.523 MB / 0.7292 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002982/0.006056, allocations: 135.7 kB / 0.7781 GB, free: 2.391 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001347/0.006191, allocations: 70.23 kB / 0.7782 GB, free: 2.324 MB / 0.7292 GB Notification: Performance of NFPackage.collectConstants: time 3.489e-05/0.006225, allocations: 24 kB / 0.7782 GB, free: 2.301 MB / 0.7292 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001061/0.006332, allocations: 47.91 kB / 0.7783 GB, free: 2.254 MB / 0.7292 GB Notification: Performance of NFScalarize.scalarize: time 3.585e-05/0.006367, allocations: 31.91 kB / 0.7783 GB, free: 2.223 MB / 0.7292 GB Notification: Performance of NFVerifyModel.verify: time 6.119e-05/0.006429, allocations: 63.83 kB / 0.7783 GB, free: 2.16 MB / 0.7292 GB Notification: Performance of NFConvertDAE.convert: time 0.0002526/0.006681, allocations: 175.4 kB / 0.7785 GB, free: 1.988 MB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 3.727e-06/0.006685, allocations: 0 / 0.7785 GB, free: 1.988 MB / 0.7292 GB Notification: Performance of FrontEnd: time 1.002e-06/0.006686, allocations: 0.9062 kB / 0.7785 GB, free: 1.988 MB / 0.7292 GB Notification: Performance of Transformations before backend: time 5.25e-06/0.006691, allocations: 0 / 0.7785 GB, free: 1.988 MB / 0.7292 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 31 * Number of variables: 31 Notification: Performance of Generate backend data structure: time 0.000585/0.007276, allocations: 395.6 kB / 0.7789 GB, free: 1.574 MB / 0.7292 GB Notification: Performance of prepare preOptimizeDAE: time 4.249e-05/0.007319, allocations: 8.75 kB / 0.7789 GB, free: 1.566 MB / 0.7292 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001536/0.007472, allocations: 32.91 kB / 0.7789 GB, free: 1.535 MB / 0.7292 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001984/0.007671, allocations: 151.1 kB / 0.7791 GB, free: 1.363 MB / 0.7292 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.359e-05/0.007694, allocations: 12.38 kB / 0.7791 GB, free: 1.352 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.095e-05/0.007715, allocations: 17.12 kB / 0.7791 GB, free: 1.336 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001723/0.007887, allocations: 111.7 kB / 0.7792 GB, free: 1.219 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.185e-05/0.007899, allocations: 3 kB / 0.7792 GB, free: 1.219 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.405e-05/0.007913, allocations: 12.12 kB / 0.7792 GB, free: 1.207 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.462e-06/0.00792, allocations: 3.938 kB / 0.7792 GB, free: 1.203 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 5.209e-05/0.007972, allocations: 28.52 kB / 0.7793 GB, free: 1.176 MB / 0.7292 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0004986/0.008471, allocations: 291.8 kB / 0.7795 GB, free: 0.875 MB / 0.7292 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001745/0.008645, allocations: 65.23 kB / 0.7796 GB, free: 0.8047 MB / 0.7292 GB Notification: Performance of preOpt resolveLoops (simulation): time 3.016e-05/0.008675, allocations: 20.86 kB / 0.7796 GB, free: 0.7812 MB / 0.7292 GB Notification: Performance of preOpt evalFunc (simulation): time 2.494e-05/0.0087, allocations: 0 / 0.7796 GB, free: 0.7812 MB / 0.7292 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001241/0.008824, allocations: 79.28 kB / 0.7797 GB, free: 0.6914 MB / 0.7292 GB Notification: Performance of pre-optimization done (n=11): time 1.843e-06/0.008826, allocations: 0 / 0.7797 GB, free: 0.6914 MB / 0.7292 GB Notification: Performance of matching and sorting (n=11): time 0.000171/0.008997, allocations: 89.72 kB / 0.7798 GB, free: 0.5977 MB / 0.7292 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.541e-05/0.009033, allocations: 53.56 kB / 0.7798 GB, free: 0.5352 MB / 0.7292 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.44e-05/0.009127, allocations: 156.5 kB / 0.78 GB, free: 380 kB / 0.7292 GB Notification: Performance of collectPreVariables (initialization): time 2.452e-05/0.009151, allocations: 33.7 kB / 0.78 GB, free: 340 kB / 0.7292 GB Notification: Performance of collectInitialEqns (initialization): time 5.629e-05/0.009208, allocations: 116.4 kB / 0.7801 GB, free: 220 kB / 0.7292 GB Notification: Performance of collectInitialBindings (initialization): time 2.711e-05/0.009235, allocations: 35.72 kB / 0.7802 GB, free: 184 kB / 0.7292 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.976e-05/0.009295, allocations: 45.67 kB / 0.7802 GB, free: 132 kB / 0.7292 GB Notification: Performance of setup shared object (initialization): time 0.0001219/0.009417, allocations: 327.9 kB / 0.7805 GB, free: 15.8 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 6.691e-05/0.009483, allocations: 53.69 kB / 0.7806 GB, free: 15.74 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 7.303e-05/0.009556, allocations: 106.8 kB / 0.7807 GB, free: 15.61 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 8.875e-05/0.009645, allocations: 99.84 kB / 0.7808 GB, free: 15.5 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.878e-06/0.009649, allocations: 4.531 kB / 0.7808 GB, free: 15.5 MB / 0.7448 GB Notification: Performance of matching and sorting (n=15) (initialization): time 0.000268/0.009917, allocations: 161.9 kB / 0.7809 GB, free: 15.32 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 4.394e-05/0.009961, allocations: 50.16 kB / 0.781 GB, free: 15.27 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.881e-06/0.009967, allocations: 0 / 0.781 GB, free: 15.27 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.427e-05/0.009981, allocations: 4.75 kB / 0.781 GB, free: 15.27 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 7.724e-05/0.01006, allocations: 19.92 kB / 0.781 GB, free: 15.25 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.766e-06/0.01006, allocations: 0.5625 kB / 0.781 GB, free: 15.25 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 8.978e-05/0.01015, allocations: 29.38 kB / 0.781 GB, free: 15.22 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.584e-05/0.01017, allocations: 7.984 kB / 0.781 GB, free: 15.21 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,$whenCondition2,enaSig.y,$PRE.enaSig.y,relCon.hys.y,$PRE.relCon.hys.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (13): * Single equations (assignments): 12 * Array equations: 0 * Algorithm blocks: 1 * 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 9.032e-05/0.01026, allocations: 118.5 kB / 0.7811 GB, free: 15.09 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.875e-05/0.01028, allocations: 20.55 kB / 0.7812 GB, free: 15.07 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.213e-05/0.01031, allocations: 8.781 kB / 0.7812 GB, free: 15.06 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.739e-06/0.01031, allocations: 8.578 kB / 0.7812 GB, free: 15.05 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.214e-06/0.01031, allocations: 0 / 0.7812 GB, free: 15.05 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.038e-06/0.01032, allocations: 1.188 kB / 0.7812 GB, free: 15.05 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001122/0.01043, allocations: 109.8 kB / 0.7813 GB, free: 14.93 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.625e-06/0.01043, allocations: 0 / 0.7813 GB, free: 14.93 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.631e-05/0.01048, allocations: 20.8 kB / 0.7813 GB, free: 14.91 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.455e-06/0.01048, allocations: 0 / 0.7813 GB, free: 14.91 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.875e-06/0.01049, allocations: 4.625 kB / 0.7813 GB, free: 14.91 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.256e-06/0.01049, allocations: 7.922 kB / 0.7813 GB, free: 14.9 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.614e-06/0.0105, allocations: 4.688 kB / 0.7813 GB, free: 14.89 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001115/0.01061, allocations: 85.59 kB / 0.7814 GB, free: 14.79 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 1.953e-05/0.01063, allocations: 13.66 kB / 0.7814 GB, free: 14.78 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.159e-05/0.01065, allocations: 11.98 kB / 0.7814 GB, free: 14.77 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 3.014e-05/0.01068, allocations: 7.938 kB / 0.7814 GB, free: 14.76 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.709e-05/0.01073, allocations: 15.97 kB / 0.7814 GB, free: 14.75 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.073e-06/0.01073, allocations: 0.5938 kB / 0.7814 GB, free: 14.75 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 3.273e-05/0.01077, allocations: 35.33 kB / 0.7815 GB, free: 14.71 MB / 0.7448 GB Notification: Performance of sort global known variables: time 4e-08/0.01077, allocations: 4.938 kB / 0.7815 GB, free: 14.71 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.0001519/0.01092, allocations: 43.89 kB / 0.7815 GB, free: 14.66 MB / 0.7448 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition1,$whenCondition2,relCon.hys.y,enaSig.y) * Number of discrete states: 1 (relCon.hys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (11): * Single equations (assignments): 10 * 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 0.0001568/0.01107, allocations: 89.88 kB / 0.7816 GB, free: 14.57 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.0002012/0.01128, allocations: 162.6 kB / 0.7818 GB, free: 14.39 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 4.238e-06/0.01128, allocations: 0 / 0.7818 GB, free: 14.39 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 4.426e-05/0.01132, allocations: 29.75 kB / 0.7818 GB, free: 14.36 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001798/0.0115, allocations: 30.03 kB / 0.7818 GB, free: 14.33 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005623/0.01207, allocations: 282.6 kB / 0.7821 GB, free: 14.03 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 4.067e-05/0.01211, allocations: 71.33 kB / 0.7822 GB, free: 13.94 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 4.822e-05/0.01216, allocations: 10.08 kB / 0.7822 GB, free: 13.93 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001014/0.01226, allocations: 79.34 kB / 0.7822 GB, free: 13.85 MB / 0.7448 GB Notification: Performance of SimCode: time 7.01e-07/0.01226, allocations: 1.031 kB / 0.7822 GB, free: 13.85 MB / 0.7448 GB Notification: Performance of Templates: time 0.005357/0.01761, allocations: 2.355 MB / 0.7845 GB, free: 11.65 MB / 0.7448 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller.pipe ; mkfifo Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller.pipe ; head -c 1048576 < Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller.pipe >> ../files/Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller.sim & (cd run_cvode && ../Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s cvode) > Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller.pipe 2>&1) [Timeout 240] (rm -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_gbode.pipe ; mkfifo Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_gbode.pipe ; head -c 1048576 < Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_gbode.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_gbode.sim & (cd run_gbode && ../Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s gbode -gbm=radauIIA3) > Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_gbode.pipe 2>&1) [Timeout 240] (rm -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_ida.pipe ; mkfifo Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_ida.pipe ; head -c 1048576 < Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_ida.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_ida.sim & (cd run_ida && ../Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s ida) > Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.Validation.Controller_ida.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.571766272187233]