Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.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 0.0008445/0.0008445, allocations: 88.22 kB / 20.21 MB, free: 4.211 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 0.0008726/0.0008726, allocations: 157.3 kB / 23.52 MB, free: 0.8984 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 0.8657/0.8657, allocations: 177.2 MB / 203.9 MB, free: 5.605 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 1.905/1.905, allocations: 428.5 MB / 0.6727 GB, free: 4.91 MB / 0.6355 GB " [Timeout remaining time 178] Using package Buildings with version 14.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|staUpInd.uUpsDevSta|staUpInd.uStaUp|staUpInd.uStaDow|staUpInd.uStaSet|staUpInd.yChiSta|staDowInd.uUpsDevSta|staDowInd.uStaUp|staDowInd.uStaDow|staDowInd.uStaSet|staDowInd.yChiSta",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump") translateModel(Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|staUpInd.uUpsDevSta|staUpInd.uStaUp|staUpInd.uStaDow|staUpInd.uStaSet|staUpInd.yChiSta|staDowInd.uUpsDevSta|staDowInd.uStaUp|staDowInd.uStaDow|staDowInd.uStaSet|staDowInd.yChiSta",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.703e-06/1.703e-06, allocations: 0 / 0.8764 GB, free: 8.598 MB / 0.8386 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.903e-05/2.073e-05, allocations: 3.609 kB / 0.8764 GB, free: 8.594 MB / 0.8386 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump): time 0.001684/0.001705, allocations: 1.177 MB / 0.8775 GB, free: 7.441 MB / 0.8386 GB Notification: Performance of NFInst.instExpressions: time 0.001358/0.003063, allocations: 1.369 MB / 0.8789 GB, free: 6.062 MB / 0.8386 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.537e-05/0.003148, allocations: 4 kB / 0.8789 GB, free: 6.059 MB / 0.8386 GB Notification: Performance of NFTyping.typeComponents: time 7.276e-05/0.003221, allocations: 36.47 kB / 0.8789 GB, free: 6.023 MB / 0.8386 GB Notification: Performance of NFTyping.typeBindings: time 7.777e-05/0.003299, allocations: 26.14 kB / 0.8789 GB, free: 6 MB / 0.8386 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005382/0.003837, allocations: 313.4 kB / 0.8792 GB, free: 5.695 MB / 0.8386 GB Notification: Performance of NFFlatten.flatten: time 0.0003257/0.004163, allocations: 421 kB / 0.8796 GB, free: 5.281 MB / 0.8386 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002581/0.004421, allocations: 185 kB / 0.8798 GB, free: 5.094 MB / 0.8386 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001764/0.004597, allocations: 247.6 kB / 0.88 GB, free: 4.852 MB / 0.8386 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001498/0.004747, allocations: 148.7 kB / 0.8802 GB, free: 4.707 MB / 0.8386 GB Notification: Performance of NFPackage.collectConstants: time 4.454e-05/0.004791, allocations: 48 kB / 0.8802 GB, free: 4.66 MB / 0.8386 GB Notification: Performance of NFFlatten.collectFunctions: time 6.953e-05/0.004861, allocations: 55.98 kB / 0.8803 GB, free: 4.605 MB / 0.8386 GB Notification: Performance of NFScalarize.scalarize: time 4.958e-05/0.004911, allocations: 88.78 kB / 0.8804 GB, free: 4.52 MB / 0.8386 GB Notification: Performance of NFVerifyModel.verify: time 9.381e-05/0.005004, allocations: 131.7 kB / 0.8805 GB, free: 4.391 MB / 0.8386 GB Notification: Performance of NFConvertDAE.convert: time 0.0003725/0.005377, allocations: 0.584 MB / 0.8811 GB, free: 3.805 MB / 0.8386 GB Notification: Performance of FrontEnd - DAE generated: time 2.114e-06/0.005379, allocations: 5 kB / 0.8811 GB, free: 3.801 MB / 0.8386 GB Notification: Performance of FrontEnd: time 6.61e-07/0.00538, allocations: 0 / 0.8811 GB, free: 3.801 MB / 0.8386 GB Notification: Performance of Transformations before backend: time 4.127e-06/0.005384, allocations: 0 / 0.8811 GB, free: 3.801 MB / 0.8386 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 91 * Number of variables: 91 Notification: Performance of Generate backend data structure: time 0.0005581/0.005942, allocations: 0.5567 MB / 0.8816 GB, free: 3.199 MB / 0.8386 GB Notification: Performance of prepare preOptimizeDAE: time 3.104e-05/0.005973, allocations: 8.031 kB / 0.8816 GB, free: 3.191 MB / 0.8386 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 9.009e-05/0.006063, allocations: 74.27 kB / 0.8817 GB, free: 3.121 MB / 0.8386 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003326/0.006396, allocations: 230.5 kB / 0.8819 GB, free: 2.871 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.359e-05/0.006429, allocations: 33.88 kB / 0.8819 GB, free: 2.84 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.033e-05/0.00647, allocations: 45.84 kB / 0.882 GB, free: 2.797 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003465/0.006816, allocations: 327 kB / 0.8823 GB, free: 2.477 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.408e-06/0.006825, allocations: 192 / 0.8823 GB, free: 2.477 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.267e-05/0.006848, allocations: 16.38 kB / 0.8823 GB, free: 2.461 MB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.008e-05/0.006858, allocations: 12.69 kB / 0.8823 GB, free: 2.449 MB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003022/0.00716, allocations: 255.8 kB / 0.8826 GB, free: 2.195 MB / 0.8386 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009802/0.008141, allocations: 1.039 MB / 0.8836 GB, free: 1.078 MB / 0.8386 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000193/0.008334, allocations: 118.6 kB / 0.8837 GB, free: 0.9531 MB / 0.8386 GB Notification: Performance of preOpt resolveLoops (simulation): time 6.172e-05/0.008395, allocations: 53.48 kB / 0.8838 GB, free: 0.8984 MB / 0.8386 GB Notification: Performance of preOpt evalFunc (simulation): time 2.053e-05/0.008416, allocations: 5.344 kB / 0.8838 GB, free: 0.8945 MB / 0.8386 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001498/0.008566, allocations: 121 kB / 0.8839 GB, free: 0.7656 MB / 0.8386 GB Notification: Performance of pre-optimization done (n=16): time 1.243e-06/0.008567, allocations: 3.406 kB / 0.8839 GB, free: 0.7656 MB / 0.8386 GB Notification: Performance of matching and sorting (n=16): time 0.0003193/0.008886, allocations: 208.2 kB / 0.8841 GB, free: 0.5586 MB / 0.8386 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.138e-05/0.008918, allocations: 63.34 kB / 0.8841 GB, free: 496 kB / 0.8386 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001123/0.00903, allocations: 187.8 kB / 0.8843 GB, free: 300 kB / 0.8386 GB Notification: Performance of collectPreVariables (initialization): time 2.353e-05/0.009053, allocations: 33.7 kB / 0.8843 GB, free: 260 kB / 0.8386 GB Notification: Performance of collectInitialEqns (initialization): time 9.136e-05/0.009145, allocations: 192.3 kB / 0.8845 GB, free: 64 kB / 0.8386 GB Notification: Performance of collectInitialBindings (initialization): time 2.747e-05/0.009172, allocations: 43.69 kB / 0.8846 GB, free: 20 kB / 0.8386 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001021/0.009274, allocations: 93.66 kB / 0.8847 GB, free: 15.92 MB / 0.8542 GB Notification: Performance of setup shared object (initialization): time 0.0001554/0.00943, allocations: 326.8 kB / 0.885 GB, free: 15.59 MB / 0.8542 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001518/0.009582, allocations: 148.5 kB / 0.8851 GB, free: 15.44 MB / 0.8542 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001651/0.009747, allocations: 225.7 kB / 0.8853 GB, free: 15.18 MB / 0.8542 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002194/0.009966, allocations: 258.6 kB / 0.8856 GB, free: 14.88 MB / 0.8542 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.174e-06/0.009968, allocations: 0 / 0.8856 GB, free: 14.88 MB / 0.8542 GB Notification: Performance of matching and sorting (n=29) (initialization): time 0.0004105/0.01038, allocations: 437.9 kB / 0.886 GB, free: 14.43 MB / 0.8542 GB Notification: Performance of prepare postOptimizeDAE: time 3.949e-05/0.01042, allocations: 67.67 kB / 0.8861 GB, free: 14.35 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.071e-06/0.01042, allocations: 8 kB / 0.8861 GB, free: 14.34 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.313e-05/0.01044, allocations: 4 kB / 0.8861 GB, free: 14.34 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.645e-05/0.01052, allocations: 23.98 kB / 0.8861 GB, free: 14.31 MB / 0.8542 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.06e-05/0.01053, allocations: 15.94 kB / 0.8861 GB, free: 14.3 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001747/0.01071, allocations: 59.83 kB / 0.8862 GB, free: 14.24 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.421e-05/0.01073, allocations: 19.98 kB / 0.8862 GB, free: 14.22 MB / 0.8542 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 21 ($whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,fal.y,staUpInd.and1.y,staDowInd.and2.y,staUpInd.uChiSta,staDowInd.uChiSta,booPul1.y,$PRE.booPul1.y,booPul.y,$PRE.booPul.y,staDowInd.swi2.y,staDowInd.and1.y,staDowInd.yChiSta,staDowInd.uStaSet,staUpInd.swi1.y,staUpInd.and2.y,staUpInd.yChiSta,staUpInd.uStaSet) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (25): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0001049/0.01084, allocations: 157.8 kB / 0.8863 GB, free: 14.05 MB / 0.8542 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.874e-05/0.01086, allocations: 19.91 kB / 0.8864 GB, free: 14.04 MB / 0.8542 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.172e-05/0.01089, allocations: 17.11 kB / 0.8864 GB, free: 14.02 MB / 0.8542 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.645e-06/0.01089, allocations: 4 kB / 0.8864 GB, free: 14.02 MB / 0.8542 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.358e-06/0.0109, allocations: 3.938 kB / 0.8864 GB, free: 14.01 MB / 0.8542 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.416e-06/0.0109, allocations: 0 / 0.8864 GB, free: 14.01 MB / 0.8542 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003901/0.01129, allocations: 461.9 kB / 0.8868 GB, free: 13.52 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.174e-06/0.01129, allocations: 4 kB / 0.8868 GB, free: 13.52 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.358e-05/0.01133, allocations: 19.92 kB / 0.8868 GB, free: 13.5 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.683e-06/0.01134, allocations: 4 kB / 0.8868 GB, free: 13.5 MB / 0.8542 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.156e-05/0.01135, allocations: 7.938 kB / 0.8869 GB, free: 13.49 MB / 0.8542 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.041e-06/0.01135, allocations: 0 / 0.8869 GB, free: 13.49 MB / 0.8542 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.914e-06/0.01135, allocations: 7.984 kB / 0.8869 GB, free: 13.48 MB / 0.8542 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001971/0.01155, allocations: 247.5 kB / 0.8871 GB, free: 13.22 MB / 0.8542 GB Notification: Performance of postOpt removeConstants (simulation): time 1.208e-05/0.01156, allocations: 19.84 kB / 0.8871 GB, free: 13.2 MB / 0.8542 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.612e-05/0.01158, allocations: 3.938 kB / 0.8871 GB, free: 13.2 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 4.338e-05/0.01162, allocations: 7.938 kB / 0.8871 GB, free: 13.19 MB / 0.8542 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.575e-05/0.01168, allocations: 24 kB / 0.8872 GB, free: 13.17 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.039e-05/0.01169, allocations: 7.984 kB / 0.8872 GB, free: 13.16 MB / 0.8542 GB Notification: Performance of sorting global known variables: time 4.416e-05/0.01173, allocations: 107.3 kB / 0.8873 GB, free: 13.05 MB / 0.8542 GB Notification: Performance of sort global known variables: time 6e-08/0.01173, allocations: 3.938 kB / 0.8873 GB, free: 13.05 MB / 0.8542 GB Notification: Performance of remove unused functions: time 0.0002325/0.01196, allocations: 83.67 kB / 0.8873 GB, free: 12.97 MB / 0.8542 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 14 (staUpInd.and2.y,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,staUpInd.uStaSet,staUpInd.yChiSta,staUpInd.swi1.y,staDowInd.uStaSet,staDowInd.yChiSta,staDowInd.and1.y,staDowInd.swi2.y,booPul.y,booPul1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (16): * Single equations (assignments): 14 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.0001186/0.01208, allocations: 113.5 kB / 0.8875 GB, free: 12.85 MB / 0.8542 GB Notification: Performance of simCode: created initialization part: time 0.000332/0.01241, allocations: 356.9 kB / 0.8878 GB, free: 12.46 MB / 0.8542 GB Notification: Performance of simCode: created event and clocks part: time 1.633e-06/0.01241, allocations: 4.562 kB / 0.8878 GB, free: 12.46 MB / 0.8542 GB Notification: Performance of simCode: created simulation system equations: time 7.505e-05/0.01249, allocations: 59.91 kB / 0.8879 GB, free: 12.4 MB / 0.8542 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002176/0.01271, allocations: 39.91 kB / 0.8879 GB, free: 12.36 MB / 0.8542 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0004994/0.01321, allocations: 458.9 kB / 0.8883 GB, free: 11.88 MB / 0.8542 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 9.545e-05/0.0133, allocations: 150.5 kB / 0.8885 GB, free: 11.71 MB / 0.8542 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.38e-05/0.01335, allocations: 24.5 kB / 0.8885 GB, free: 11.69 MB / 0.8542 GB Notification: Performance of SimCode: time 3.91e-07/0.01335, allocations: 0 / 0.8885 GB, free: 11.69 MB / 0.8542 GB Notification: Performance of Templates: time 0.003071/0.01642, allocations: 3.018 MB / 0.8914 GB, free: 8.695 MB / 0.8542 GB " [Timeout remaining time 300] make -j1 -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.pipe ; mkfifo Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.pipe ; head -c 1048576 < Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.pipe >> ../files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.sim & ./Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump -emit_protected > Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Controls_OBC_ASHRAE_G36_Plants_Chillers_Staging_Processes_Subsequences_Validation_EnableCWPump.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump.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: 6.291465720161796]