Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.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 0.0008444/0.0008444, allocations: 80.44 kB / 19.17 MB, free: 0.7422 MB / 13.93 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 0.000827/0.000827, allocations: 170.3 kB / 22.46 MB, free: 2.105 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 0.8893/0.8893, allocations: 177.1 MB / 202.8 MB, free: 5.754 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 1.737/1.737, allocations: 389 MB / 0.633 GB, free: 12.68 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.1 (/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: "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow,fileNamePrefix="Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow,fileNamePrefix="Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 3.216e-06/3.216e-06, allocations: 0 / 0.9998 GB, free: 13.39 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.38e-05/2.701e-05, allocations: 6.219 kB / 0.9998 GB, free: 13.39 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow): time 0.002837/0.002864, allocations: 1.378 MB / 1.001 GB, free: 12.01 MB / 0.9636 GB Notification: Performance of NFInst.instExpressions: time 0.0007561/0.00362, allocations: 315.1 kB / 1.001 GB, free: 11.7 MB / 0.9636 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001772/0.003797, allocations: 11.88 kB / 1.001 GB, free: 11.69 MB / 0.9636 GB Notification: Performance of NFTyping.typeComponents: time 0.0002736/0.004071, allocations: 75.36 kB / 1.002 GB, free: 11.61 MB / 0.9636 GB Notification: Performance of NFTyping.typeBindings: time 0.0002249/0.004296, allocations: 51.52 kB / 1.002 GB, free: 11.56 MB / 0.9636 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002533/0.004549, allocations: 111.9 kB / 1.002 GB, free: 11.45 MB / 0.9636 GB Notification: Performance of NFFlatten.flatten: time 0.0004605/0.00501, allocations: 439.8 kB / 1.002 GB, free: 11.02 MB / 0.9636 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00047/0.00548, allocations: 289.6 kB / 1.002 GB, free: 10.73 MB / 0.9636 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002649/0.005745, allocations: 271.5 kB / 1.003 GB, free: 10.46 MB / 0.9636 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002524/0.005997, allocations: 203.4 kB / 1.003 GB, free: 10.26 MB / 0.9636 GB Notification: Performance of NFPackage.collectConstants: time 8.376e-05/0.006081, allocations: 59.94 kB / 1.003 GB, free: 10.2 MB / 0.9636 GB Notification: Performance of NFFlatten.collectFunctions: time 6.196e-05/0.006143, allocations: 52 kB / 1.003 GB, free: 10.15 MB / 0.9636 GB Notification: Performance of NFScalarize.scalarize: time 0.0001795/0.006322, allocations: 187.5 kB / 1.003 GB, free: 9.969 MB / 0.9636 GB Notification: Performance of NFVerifyModel.verify: time 0.0001554/0.006478, allocations: 163.5 kB / 1.003 GB, free: 9.809 MB / 0.9636 GB Notification: Performance of NFConvertDAE.convert: time 0.0008081/0.007286, allocations: 0.8954 MB / 1.004 GB, free: 8.91 MB / 0.9636 GB Notification: Performance of FrontEnd - DAE generated: time 3.727e-06/0.007289, allocations: 0 / 1.004 GB, free: 8.91 MB / 0.9636 GB Notification: Performance of FrontEnd: time 1.152e-06/0.007291, allocations: 0 / 1.004 GB, free: 8.91 MB / 0.9636 GB Notification: Performance of Transformations before backend: time 1.5e-05/0.007306, allocations: 0 / 1.004 GB, free: 8.91 MB / 0.9636 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 127 * Number of variables: 127 Notification: Performance of Generate backend data structure: time 0.001163/0.008469, allocations: 0.8034 MB / 1.005 GB, free: 8.078 MB / 0.9636 GB Notification: Performance of prepare preOptimizeDAE: time 4.292e-05/0.008512, allocations: 8.75 kB / 1.005 GB, free: 8.07 MB / 0.9636 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.498e-05/0.008587, allocations: 94.7 kB / 1.005 GB, free: 7.969 MB / 0.9636 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.866e-05/0.008655, allocations: 76.45 kB / 1.005 GB, free: 7.895 MB / 0.9636 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004346/0.00909, allocations: 405.2 kB / 1.005 GB, free: 7.465 MB / 0.9636 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.399e-05/0.009124, allocations: 37.69 kB / 1.006 GB, free: 7.43 MB / 0.9636 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.003e-05/0.009164, allocations: 52.38 kB / 1.006 GB, free: 7.379 MB / 0.9636 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005397/0.009704, allocations: 0.5592 MB / 1.006 GB, free: 6.805 MB / 0.9636 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.134e-05/0.009715, allocations: 192 / 1.006 GB, free: 6.805 MB / 0.9636 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.93e-05/0.009744, allocations: 23.94 kB / 1.006 GB, free: 6.781 MB / 0.9636 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.09e-05/0.009755, allocations: 12 kB / 1.006 GB, free: 6.77 MB / 0.9636 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004904/0.01025, allocations: 0.5048 MB / 1.007 GB, free: 6.266 MB / 0.9636 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001621/0.01187, allocations: 1.673 MB / 1.008 GB, free: 4.488 MB / 0.9636 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003105/0.01218, allocations: 126.6 kB / 1.008 GB, free: 4.355 MB / 0.9636 GB Notification: Performance of preOpt resolveLoops (simulation): time 6.366e-05/0.01224, allocations: 68.75 kB / 1.008 GB, free: 4.285 MB / 0.9636 GB Notification: Performance of preOpt evalFunc (simulation): time 2.139e-05/0.01226, allocations: 4 kB / 1.008 GB, free: 4.281 MB / 0.9636 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.866e-05/0.01228, allocations: 34.55 kB / 1.008 GB, free: 4.238 MB / 0.9636 GB Notification: Performance of pre-optimization done (n=12): time 1.332e-06/0.01228, allocations: 0 / 1.008 GB, free: 4.238 MB / 0.9636 GB Notification: Performance of matching and sorting (n=12): time 0.0002746/0.01256, allocations: 217.3 kB / 1.009 GB, free: 4.02 MB / 0.9636 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.997e-05/0.01259, allocations: 55.41 kB / 1.009 GB, free: 3.953 MB / 0.9636 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004236/0.01301, allocations: 0.5874 MB / 1.009 GB, free: 3.355 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 1.198e-05/0.01302, allocations: 25.7 kB / 1.009 GB, free: 3.324 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001672/0.01319, allocations: 359.6 kB / 1.01 GB, free: 2.969 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 2.497e-05/0.01321, allocations: 51.62 kB / 1.01 GB, free: 2.918 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.179e-05/0.01329, allocations: 78.03 kB / 1.01 GB, free: 2.832 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 9.824e-05/0.01338, allocations: 350.8 kB / 1.01 GB, free: 2.48 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001137/0.0135, allocations: 124.6 kB / 1.01 GB, free: 2.359 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001927/0.01369, allocations: 303.2 kB / 1.011 GB, free: 1.973 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003159/0.01401, allocations: 433.2 kB / 1.011 GB, free: 1.457 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.072e-06/0.01401, allocations: 8 kB / 1.011 GB, free: 1.449 MB / 0.9636 GB Notification: Performance of matching and sorting (n=45) (initialization): time 0.0004267/0.01444, allocations: 471.3 kB / 1.011 GB, free: 0.9844 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 1.729e-05/0.01446, allocations: 9.562 kB / 1.011 GB, free: 0.9766 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.497e-06/0.01447, allocations: 8 kB / 1.011 GB, free: 0.9688 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.795e-05/0.01448, allocations: 8 kB / 1.011 GB, free: 0.9609 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001638/0.01465, allocations: 87.77 kB / 1.012 GB, free: 0.875 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.013e-05/0.01466, allocations: 12.56 kB / 1.012 GB, free: 0.8633 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001344/0.01479, allocations: 67.48 kB / 1.012 GB, free: 0.7969 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.962e-05/0.01481, allocations: 23.98 kB / 1.012 GB, free: 0.7734 MB / 0.9636 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 30 * Number of states: 0 () * Number of discrete variables: 6 (opeMod[2].y,opeMod[1].y,zonToAhu.occMod[2].y,zonToAhu.occMod[1].y,zonToAhu.intEqu1[1].y,zonToAhu.intEqu1[2].y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (45): * Single equations (assignments): 45 * Array equations: 0 * Algorithm blocks: 0 * 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 0.0001816/0.01499, allocations: 241.6 kB / 1.012 GB, free: 0.5273 MB / 0.9636 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.913e-05/0.01503, allocations: 43.72 kB / 1.012 GB, free: 496 kB / 0.9636 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002094/0.01524, allocations: 197 kB / 1.012 GB, free: 292 kB / 0.9636 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.066e-06/0.01525, allocations: 0 / 1.012 GB, free: 292 kB / 0.9636 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.408e-06/0.01525, allocations: 0 / 1.012 GB, free: 292 kB / 0.9636 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.729e-06/0.01525, allocations: 3.938 kB / 1.012 GB, free: 288 kB / 0.9636 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007586/0.01601, allocations: 0.9555 MB / 1.013 GB, free: 15.24 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.767e-06/0.01602, allocations: 4 kB / 1.013 GB, free: 15.23 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 5.533e-05/0.01607, allocations: 23.92 kB / 1.013 GB, free: 15.21 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.809e-06/0.01608, allocations: 4 kB / 1.013 GB, free: 15.21 MB / 0.9792 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.048e-05/0.01609, allocations: 4 kB / 1.013 GB, free: 15.2 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.987e-06/0.01609, allocations: 4.375 kB / 1.013 GB, free: 15.2 MB / 0.9792 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.267e-06/0.01609, allocations: 11.94 kB / 1.013 GB, free: 15.19 MB / 0.9792 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000198/0.01629, allocations: 278.1 kB / 1.013 GB, free: 14.86 MB / 0.9792 GB Notification: Performance of postOpt removeConstants (simulation): time 5.38e-05/0.01635, allocations: 55.7 kB / 1.013 GB, free: 14.81 MB / 0.9792 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.32e-05/0.01637, allocations: 4 kB / 1.013 GB, free: 14.8 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 6.062e-05/0.01643, allocations: 15.98 kB / 1.013 GB, free: 14.79 MB / 0.9792 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.206e-05/0.01645, allocations: 15.92 kB / 1.013 GB, free: 14.77 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.252e-06/0.01646, allocations: 4 kB / 1.013 GB, free: 14.77 MB / 0.9792 GB Notification: Performance of sorting global known variables: time 0.0002717/0.01673, allocations: 399.1 kB / 1.014 GB, free: 14.39 MB / 0.9792 GB Notification: Performance of sort global known variables: time 5e-08/0.01673, allocations: 0 / 1.014 GB, free: 14.39 MB / 0.9792 GB Notification: Performance of remove unused functions: time 0.000257/0.01699, allocations: 99.67 kB / 1.014 GB, free: 14.29 MB / 0.9792 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 12 * 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 simulation (12): * Single equations (assignments): 12 * Array equations: 0 * Algorithm blocks: 0 * 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 Backend phase and start with SimCode phase: time 0.0004098/0.0174, allocations: 0.8133 MB / 1.015 GB, free: 13.41 MB / 0.9792 GB Notification: Performance of simCode: created initialization part: time 0.0002645/0.01766, allocations: 256.4 kB / 1.015 GB, free: 13.16 MB / 0.9792 GB Notification: Performance of simCode: created event and clocks part: time 3.326e-06/0.01767, allocations: 4 kB / 1.015 GB, free: 13.16 MB / 0.9792 GB Notification: Performance of simCode: created simulation system equations: time 5.738e-05/0.01772, allocations: 67.83 kB / 1.015 GB, free: 13.09 MB / 0.9792 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002807/0.018, allocations: 51.56 kB / 1.015 GB, free: 13.05 MB / 0.9792 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003451/0.02145, allocations: 4.404 MB / 1.019 GB, free: 8.297 MB / 0.9792 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001939/0.02165, allocations: 311.5 kB / 1.02 GB, free: 7.969 MB / 0.9792 GB Notification: Performance of simCode: alias equations: time 0.0001506/0.0218, allocations: 99.23 kB / 1.02 GB, free: 7.871 MB / 0.9792 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001543/0.02195, allocations: 168.4 kB / 1.02 GB, free: 7.707 MB / 0.9792 GB Notification: Performance of SimCode: time 6.81e-07/0.02195, allocations: 0 / 1.02 GB, free: 7.707 MB / 0.9792 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02007/0.04202, allocations: 7.914 MB / 1.028 GB, free: 84 kB / 0.9792 GB Notification: Performance of buildModelFMU: Generate platform static: time 6.624/6.666, allocations: 3.938 kB / 1.028 GB, free: 80 kB / 0.9792 GB " [Timeout remaining time 293] (rm -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe ; mkfifo Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe ; head -c 1048576 < Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe >> ../files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow_res.mat --tempDir=temp_Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=800 --tolerance=1e-06 Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow.fmu > Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe 2>&1) [Timeout 840.0] diffSimulationResults("Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.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: 10.899182766675949]