Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed.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 0.0008256/0.0008256, allocations: 80.55 kB / 19.96 MB, free: 4.602 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 0.0008766/0.0008766, allocations: 173.2 kB / 23.24 MB, free: 1.324 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 0.9063/0.9063, allocations: 177.1 MB / 203.5 MB, free: 5.746 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 1.829/1.829, allocations: 389.6 MB / 0.6343 GB, free: 12.62 MB / 0.6042 GB " [Timeout remaining time 178] 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: "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed,fileNamePrefix="Buildings_13_Buildings_Applications_DataCenters_ChillerCooled_Controls_Validation_CoolingTowerSpeed",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed,fileNamePrefix="Buildings_13_Buildings_Applications_DataCenters_ChillerCooled_Controls_Validation_CoolingTowerSpeed",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.503e-06/1.503e-06, allocations: 0 / 1.001 GB, free: 13.57 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.145e-05/2.295e-05, allocations: 6.219 kB / 1.001 GB, free: 13.56 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed): time 0.0032/0.003223, allocations: 2.777 MB / 1.003 GB, free: 10.77 MB / 0.9636 GB Notification: Performance of NFInst.instExpressions: time 0.002041/0.005264, allocations: 1.632 MB / 1.005 GB, free: 9.133 MB / 0.9636 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002653/0.005529, allocations: 15.88 kB / 1.005 GB, free: 9.117 MB / 0.9636 GB Notification: Performance of NFTyping.typeComponents: time 0.0003893/0.005918, allocations: 107.1 kB / 1.005 GB, free: 9.012 MB / 0.9636 GB Notification: Performance of NFTyping.typeBindings: time 0.0004331/0.006351, allocations: 194.7 kB / 1.005 GB, free: 8.82 MB / 0.9636 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007206/0.007072, allocations: 403.3 kB / 1.006 GB, free: 8.43 MB / 0.9636 GB Notification: Performance of NFFlatten.flatten: time 0.0004957/0.007568, allocations: 0.5537 MB / 1.006 GB, free: 7.871 MB / 0.9636 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002295/0.007797, allocations: 145.6 kB / 1.006 GB, free: 7.723 MB / 0.9636 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003587/0.008156, allocations: 299.1 kB / 1.007 GB, free: 7.43 MB / 0.9636 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001822/0.008338, allocations: 159.5 kB / 1.007 GB, free: 7.273 MB / 0.9636 GB Notification: Performance of NFPackage.collectConstants: time 4.239e-05/0.008381, allocations: 40 kB / 1.007 GB, free: 7.234 MB / 0.9636 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001721/0.008553, allocations: 107.9 kB / 1.007 GB, free: 7.129 MB / 0.9636 GB Notification: Performance of NFScalarize.scalarize: time 0.0001005/0.008653, allocations: 111.5 kB / 1.007 GB, free: 7.02 MB / 0.9636 GB Notification: Performance of NFVerifyModel.verify: time 9.927e-05/0.008753, allocations: 123.6 kB / 1.007 GB, free: 6.898 MB / 0.9636 GB Notification: Performance of NFConvertDAE.convert: time 0.0005467/0.009299, allocations: 0.6307 MB / 1.008 GB, free: 6.266 MB / 0.9636 GB Notification: Performance of FrontEnd - DAE generated: time 4.018e-06/0.009303, allocations: 0 / 1.008 GB, free: 6.266 MB / 0.9636 GB Notification: Performance of FrontEnd: time 1.162e-06/0.009304, allocations: 0 / 1.008 GB, free: 6.266 MB / 0.9636 GB Notification: Performance of Transformations before backend: time 8.015e-06/0.009312, allocations: 0 / 1.008 GB, free: 6.266 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: 65 * Number of variables: 65 Notification: Performance of Generate backend data structure: time 0.0008806/0.01019, allocations: 0.7475 MB / 1.008 GB, free: 5.48 MB / 0.9636 GB Notification: Performance of prepare preOptimizeDAE: time 3.98e-05/0.01023, allocations: 13.64 kB / 1.008 GB, free: 5.469 MB / 0.9636 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.055e-05/0.01028, allocations: 58.73 kB / 1.009 GB, free: 5.402 MB / 0.9636 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00017/0.01045, allocations: 76.53 kB / 1.009 GB, free: 5.328 MB / 0.9636 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005089/0.01096, allocations: 387 kB / 1.009 GB, free: 4.926 MB / 0.9636 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.343e-05/0.01099, allocations: 25.02 kB / 1.009 GB, free: 4.902 MB / 0.9636 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.4e-05/0.01102, allocations: 28.38 kB / 1.009 GB, free: 4.875 MB / 0.9636 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004579/0.01148, allocations: 371.7 kB / 1.009 GB, free: 4.473 MB / 0.9636 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.718e-06/0.01149, allocations: 3.938 kB / 1.009 GB, free: 4.469 MB / 0.9636 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.197e-05/0.01151, allocations: 12 kB / 1.009 GB, free: 4.457 MB / 0.9636 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.097e-06/0.01152, allocations: 15.98 kB / 1.009 GB, free: 4.441 MB / 0.9636 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002996/0.01182, allocations: 209.8 kB / 1.01 GB, free: 4.238 MB / 0.9636 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009168/0.01273, allocations: 0.9915 MB / 1.011 GB, free: 3.188 MB / 0.9636 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003903/0.01313, allocations: 223 kB / 1.011 GB, free: 2.961 MB / 0.9636 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001423/0.01327, allocations: 108.8 kB / 1.011 GB, free: 2.852 MB / 0.9636 GB Notification: Performance of preOpt evalFunc (simulation): time 1.959e-05/0.01329, allocations: 0 / 1.011 GB, free: 2.852 MB / 0.9636 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000237/0.01352, allocations: 159.3 kB / 1.011 GB, free: 2.684 MB / 0.9636 GB Notification: Performance of pre-optimization done (n=23): time 1.353e-06/0.01353, allocations: 0 / 1.011 GB, free: 2.684 MB / 0.9636 GB Notification: Performance of matching and sorting (n=23): time 0.0005271/0.01405, allocations: 359.6 kB / 1.011 GB, free: 2.328 MB / 0.9636 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.137e-05/0.01409, allocations: 92.92 kB / 1.011 GB, free: 2.219 MB / 0.9636 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003577/0.01445, allocations: 469.9 kB / 1.012 GB, free: 1.754 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 2.123e-05/0.01447, allocations: 33.7 kB / 1.012 GB, free: 1.715 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001278/0.0146, allocations: 232.7 kB / 1.012 GB, free: 1.48 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 4.248e-05/0.01464, allocations: 75.31 kB / 1.012 GB, free: 1.406 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.459e-05/0.01471, allocations: 57.69 kB / 1.012 GB, free: 1.344 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 9.948e-05/0.01481, allocations: 350.8 kB / 1.013 GB, free: 0.9922 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001345/0.01494, allocations: 91.94 kB / 1.013 GB, free: 0.9023 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001731/0.01511, allocations: 210.2 kB / 1.013 GB, free: 0.6602 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002705/0.01538, allocations: 215.5 kB / 1.013 GB, free: 444 kB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.525e-06/0.01539, allocations: 0 / 1.013 GB, free: 444 kB / 0.9636 GB Notification: Performance of matching and sorting (n=30) (initialization): time 0.0003661/0.01575, allocations: 301.1 kB / 1.013 GB, free: 136 kB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 1.777e-05/0.01577, allocations: 11.94 kB / 1.013 GB, free: 124 kB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.783e-06/0.01578, allocations: 3.984 kB / 1.013 GB, free: 120 kB / 0.9636 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.416e-05/0.01579, allocations: 4 kB / 1.013 GB, free: 116 kB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001318/0.01592, allocations: 47.91 kB / 1.013 GB, free: 68 kB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.755e-06/0.01593, allocations: 8.094 kB / 1.013 GB, free: 60 kB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.632e-05/0.01603, allocations: 35.83 kB / 1.014 GB, free: 24 kB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.524e-05/0.01604, allocations: 16 kB / 1.014 GB, free: 8 kB / 0.9636 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 9 ($PRE.cooMod.combiTimeTable.nextTimeEvent,$whenCondition1,cooMod.combiTimeTable.nextTimeEventScaled,$PRE.cooMod.combiTimeTable.nextTimeEventScaled,cooMod.combiTimeTable.nextTimeEvent,cooMod.y,cooTowSpeCon.fmcMod.y,cooTowSpeCon.pmcMod.y,cooTowSpeCon.conPID.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (30): * Single equations (assignments): 30 * 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 0.0001546/0.0162, allocations: 170.4 kB / 1.014 GB, free: 15.83 MB / 0.9792 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.59e-05/0.01623, allocations: 43.72 kB / 1.014 GB, free: 15.79 MB / 0.9792 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004113/0.01665, allocations: 298.7 kB / 1.014 GB, free: 15.5 MB / 0.9792 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.344e-06/0.01665, allocations: 4 kB / 1.014 GB, free: 15.49 MB / 0.9792 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.619e-06/0.01665, allocations: 0 / 1.014 GB, free: 15.49 MB / 0.9792 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.31e-06/0.01666, allocations: 3.984 kB / 1.014 GB, free: 15.49 MB / 0.9792 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002674/0.01693, allocations: 348.5 kB / 1.014 GB, free: 15.11 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.573e-06/0.01693, allocations: 4 kB / 1.014 GB, free: 15.1 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000118/0.01704, allocations: 39.91 kB / 1.014 GB, free: 15.06 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.096e-06/0.01705, allocations: 0 / 1.014 GB, free: 15.06 MB / 0.9792 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.476e-05/0.01706, allocations: 7.938 kB / 1.014 GB, free: 15.05 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.904e-06/0.01706, allocations: 7.938 kB / 1.014 GB, free: 15.05 MB / 0.9792 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.473e-06/0.01707, allocations: 0 / 1.014 GB, free: 15.05 MB / 0.9792 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005367/0.0176, allocations: 438.4 kB / 1.015 GB, free: 14.61 MB / 0.9792 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001027/0.01771, allocations: 71.64 kB / 1.015 GB, free: 14.54 MB / 0.9792 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.405e-05/0.01774, allocations: 11.94 kB / 1.015 GB, free: 14.52 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 7.314e-05/0.01781, allocations: 11.98 kB / 1.015 GB, free: 14.51 MB / 0.9792 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.623e-05/0.01787, allocations: 19.97 kB / 1.015 GB, free: 14.49 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.976e-05/0.01789, allocations: 8 kB / 1.015 GB, free: 14.48 MB / 0.9792 GB Notification: Performance of sorting global known variables: time 0.0002495/0.01814, allocations: 327.1 kB / 1.015 GB, free: 14.16 MB / 0.9792 GB Notification: Performance of sort global known variables: time 8e-08/0.01814, allocations: 4.062 kB / 1.015 GB, free: 14.16 MB / 0.9792 GB Notification: Performance of remove unused functions: time 0.0002468/0.01838, allocations: 79.81 kB / 1.015 GB, free: 14.08 MB / 0.9792 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 1 (cooTowSpeCon.conPID.I.y) * Number of discrete variables: 6 ($whenCondition1,cooTowSpeCon.pmcMod.y,cooTowSpeCon.fmcMod.y,cooMod.y,cooMod.combiTimeTable.nextTimeEvent,cooMod.combiTimeTable.nextTimeEventScaled) * Number of discrete states: 2 (cooMod.combiTimeTable.nextTimeEvent,cooMod.combiTimeTable.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (24): * Single equations (assignments): 22 * 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 0.001484/0.01987, allocations: 1.33 MB / 1.017 GB, free: 12.91 MB / 0.9792 GB Notification: Performance of simCode: created initialization part: time 0.0003599/0.02023, allocations: 218.7 kB / 1.017 GB, free: 12.7 MB / 0.9792 GB Notification: Performance of simCode: created event and clocks part: time 2.164e-06/0.02023, allocations: 0 / 1.017 GB, free: 12.7 MB / 0.9792 GB Notification: Performance of simCode: created simulation system equations: time 0.0001485/0.02038, allocations: 103.9 kB / 1.017 GB, free: 12.59 MB / 0.9792 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003527/0.02073, allocations: 107.7 kB / 1.017 GB, free: 12.49 MB / 0.9792 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003404/0.02414, allocations: 3.507 MB / 1.02 GB, free: 8.871 MB / 0.9792 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001557/0.02429, allocations: 223.4 kB / 1.021 GB, free: 8.629 MB / 0.9792 GB Notification: Performance of simCode: alias equations: time 0.000161/0.02445, allocations: 55.23 kB / 1.021 GB, free: 8.578 MB / 0.9792 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001655/0.02462, allocations: 152.4 kB / 1.021 GB, free: 8.43 MB / 0.9792 GB Notification: Performance of SimCode: time 8.71e-07/0.02462, allocations: 0 / 1.021 GB, free: 8.43 MB / 0.9792 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08788/0.1125, allocations: 10.21 MB / 1.031 GB, free: 14.43 MB / 0.9948 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.526/7.638, allocations: 15.11 kB / 1.031 GB, free: 14.41 MB / 0.9948 GB " [Timeout remaining time 292] (rm -f Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed.pipe ; mkfifo Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed.pipe ; head -c 1048576 < Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed.pipe >> ../files/Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed.sim & (cd run_OMSimulator && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --stripRoot --tempDir=temp_Buildings_13_Buildings_Applications_DataCenters_ChillerCooled_Controls_Validation_CoolingTowerSpeed_fmu --startTime=0 --stopTime=1080 --stepSize=0.432 --timeout=50 --tolerance=1e-06 ../Buildings_13_Buildings_Applications_DataCenters_ChillerCooled_Controls_Validation_CoolingTowerSpeed.fmu) > Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed.pipe 2>&1) [Timeout 52.5] (rm -f Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed_fmpy.pipe ; mkfifo Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed_fmpy.pipe ; head -c 1048576 < Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed_fmpy.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed_fmpy.sim & (cd run_fmpy && python3 -m fmpy simulate --output-file ../Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed_fmpy_res.csv --start-time 0 --stop-time 1080 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.432 ../Buildings_13_Buildings_Applications_DataCenters_ChillerCooled_Controls_Validation_CoolingTowerSpeed.fmu) > Buildings_13_Buildings.Applications.DataCenters.ChillerCooled.Controls.Validation.CoolingTowerSpeed_fmpy.pipe 2>&1) [Timeout 52.5] fmpy timed out simulating the FMU [Calling sys.exit(0), Time elapsed: 12.219840163365006]