Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001748/0.001748, allocations: 111.5 kB / 18.88 MB, free: 3.062 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002033/0.002033, allocations: 190.9 kB / 22.17 MB, free: 5.656 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.638/1.638, allocations: 225.6 MB / 250.9 MB, free: 13.3 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.855/2.855, allocations: 476.7 MB / 0.7645 GB, free: 10.14 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|actAirSet.uOpeMod|actAirSet.VCooMax_flow|actAirSet.VOccMin_flow|actAirSet.VActCooMax_flow|actAirSet.VActMin_flow|actAirSet.VActHeaMax_flow",fileNamePrefix="Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow") translateModel(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|actAirSet.uOpeMod|actAirSet.VCooMax_flow|actAirSet.VOccMin_flow|actAirSet.VActCooMax_flow|actAirSet.VActMin_flow|actAirSet.VActHeaMax_flow",fileNamePrefix="Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002061/0.002061, allocations: 71.88 kB / 1.109 GB, free: 6.586 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8885/0.8906, allocations: 168.7 MB / 1.274 GB, free: 4.59 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow): time 0.002637/0.8932, allocations: 1.136 MB / 1.275 GB, free: 3.461 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.001385/0.8946, allocations: 1.026 MB / 1.276 GB, free: 2.422 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 9.633e-05/0.8947, allocations: 4 kB / 1.276 GB, free: 2.418 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 7.17e-05/0.8948, allocations: 27.66 kB / 1.276 GB, free: 2.391 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.0001342/0.8949, allocations: 31.69 kB / 1.276 GB, free: 2.359 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002402/0.8951, allocations: 87.84 kB / 1.276 GB, free: 2.273 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.0002609/0.8954, allocations: 224.2 kB / 1.277 GB, free: 2.051 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002381/0.8956, allocations: 100.1 kB / 1.277 GB, free: 1.953 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001881/0.8958, allocations: 99.52 kB / 1.277 GB, free: 1.855 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000137/0.896, allocations: 99.53 kB / 1.277 GB, free: 1.758 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 4.906e-05/0.896, allocations: 24 kB / 1.277 GB, free: 1.734 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 3.397e-05/0.896, allocations: 24 kB / 1.277 GB, free: 1.711 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 6.138e-05/0.8961, allocations: 51.84 kB / 1.277 GB, free: 1.66 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 9.98e-05/0.8962, allocations: 103.4 kB / 1.277 GB, free: 1.559 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.00036/0.8966, allocations: 313.3 kB / 1.277 GB, free: 1.254 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 3.847e-06/0.8966, allocations: 0 / 1.277 GB, free: 1.254 MB / 0.9669 GB Notification: Performance of FrontEnd: time 1.453e-06/0.8966, allocations: 0 / 1.277 GB, free: 1.254 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 5.681e-06/0.8966, allocations: 4 kB / 1.277 GB, free: 1.25 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 52 * Number of variables: 52 Notification: Performance of Generate backend data structure: time 0.0008104/0.8974, allocations: 0.495 MB / 1.278 GB, free: 0.7031 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 3.72e-05/0.8974, allocations: 8.031 kB / 1.278 GB, free: 0.6953 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.734e-05/0.8975, allocations: 24.8 kB / 1.278 GB, free: 0.6719 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000529/0.898, allocations: 288.2 kB / 1.278 GB, free: 360 kB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.664e-05/0.898, allocations: 16.75 kB / 1.278 GB, free: 344 kB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.937e-05/0.8981, allocations: 28.38 kB / 1.278 GB, free: 316 kB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004354/0.8985, allocations: 191.8 kB / 1.278 GB, free: 116 kB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.142e-05/0.8985, allocations: 192 / 1.278 GB, free: 116 kB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.775e-05/0.8986, allocations: 15.94 kB / 1.278 GB, free: 100 kB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.173e-06/0.8986, allocations: 4 kB / 1.278 GB, free: 96 kB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000449/0.899, allocations: 157.6 kB / 1.279 GB, free: 15.94 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009171/0.8999, allocations: 0.588 MB / 1.279 GB, free: 15.3 MB / 0.9825 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003874/0.9003, allocations: 142.7 kB / 1.279 GB, free: 15.15 MB / 0.9825 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001877/0.9005, allocations: 67.02 kB / 1.279 GB, free: 15.09 MB / 0.9825 GB Notification: Performance of preOpt evalFunc (simulation): time 2.157e-05/0.9005, allocations: 4 kB / 1.279 GB, free: 15.08 MB / 0.9825 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.8e-05/0.9005, allocations: 34.56 kB / 1.279 GB, free: 15.04 MB / 0.9825 GB Notification: Performance of pre-optimization done (n=17): time 1.102e-06/0.9006, allocations: 0 / 1.279 GB, free: 15.04 MB / 0.9825 GB Notification: Performance of matching and sorting (n=17): time 0.0006602/0.9012, allocations: 217.3 kB / 1.28 GB, free: 14.82 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.269e-05/0.9013, allocations: 55.41 kB / 1.28 GB, free: 14.75 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001831/0.9014, allocations: 186.3 kB / 1.28 GB, free: 14.56 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 2.415e-05/0.9015, allocations: 25.7 kB / 1.28 GB, free: 14.53 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001116/0.9016, allocations: 148.4 kB / 1.28 GB, free: 14.38 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 4.684e-05/0.9016, allocations: 43.66 kB / 1.28 GB, free: 14.34 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.211e-05/0.9017, allocations: 53.69 kB / 1.28 GB, free: 14.28 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001686/0.9019, allocations: 322.8 kB / 1.28 GB, free: 13.95 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001796/0.902, allocations: 55.95 kB / 1.28 GB, free: 13.9 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002117/0.9023, allocations: 105 kB / 1.28 GB, free: 13.78 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003648/0.9026, allocations: 147 kB / 1.281 GB, free: 13.62 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.295e-06/0.9026, allocations: 0 / 1.281 GB, free: 13.62 MB / 0.9825 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0004679/0.9031, allocations: 197.5 kB / 1.281 GB, free: 13.42 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 2.015e-05/0.9031, allocations: 9.875 kB / 1.281 GB, free: 13.41 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.39e-06/0.9031, allocations: 0 / 1.281 GB, free: 13.41 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.942e-05/0.9031, allocations: 7.984 kB / 1.281 GB, free: 13.4 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002065/0.9033, allocations: 31.91 kB / 1.281 GB, free: 13.37 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.959e-06/0.9034, allocations: 4 kB / 1.281 GB, free: 13.37 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000124/0.9035, allocations: 31.77 kB / 1.281 GB, free: 13.34 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.652e-05/0.9035, allocations: 8 kB / 1.281 GB, free: 13.33 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 15 (reaToInt2.y,actAirSet.or4.y,actAirSet.or2.y,actAirSet.or1.y,actAirSet.ifSetBac.y,actAirSet.ifWarUp.y,actAirSet.ifSetUp.y,actAirSet.ifCooDow.y,actAirSet.ifOcc.y,actAirSet.or3.y,actAirSet.warUpMod.y,actAirSet.setBacMod.y,actAirSet.setUpMod.y,actAirSet.cooDowMod.y,actAirSet.occMod.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (22): * Single equations (assignments): 22 * 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 0.0002226/0.9037, allocations: 141.8 kB / 1.281 GB, free: 13.18 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.583e-05/0.9038, allocations: 19.84 kB / 1.281 GB, free: 13.16 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.56e-05/0.9038, allocations: 17.88 kB / 1.281 GB, free: 13.14 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.809e-06/0.9038, allocations: 4 kB / 1.281 GB, free: 13.14 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.635e-06/0.9038, allocations: 3.984 kB / 1.281 GB, free: 13.13 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.226e-06/0.9038, allocations: 0 / 1.281 GB, free: 13.13 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003439/0.9042, allocations: 273.4 kB / 1.281 GB, free: 12.82 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.487e-06/0.9042, allocations: 4 kB / 1.281 GB, free: 12.81 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001425/0.9043, allocations: 23.98 kB / 1.281 GB, free: 12.79 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.164e-06/0.9043, allocations: 0 / 1.281 GB, free: 12.79 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.916e-05/0.9043, allocations: 11.98 kB / 1.281 GB, free: 12.78 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.373e-06/0.9043, allocations: 0 / 1.281 GB, free: 12.78 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.02e-07/0.9043, allocations: 0 / 1.281 GB, free: 12.78 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004699/0.9048, allocations: 263.2 kB / 1.282 GB, free: 12.5 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 6.29e-05/0.9049, allocations: 93.02 kB / 1.282 GB, free: 12.39 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.373e-05/0.9049, allocations: 3.938 kB / 1.282 GB, free: 12.39 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001265/0.905, allocations: 15.98 kB / 1.282 GB, free: 12.38 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.832e-05/0.9051, allocations: 23.97 kB / 1.282 GB, free: 12.35 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.046e-05/0.9051, allocations: 4 kB / 1.282 GB, free: 12.35 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 9.658e-05/0.9052, allocations: 120.2 kB / 1.282 GB, free: 12.23 MB / 0.9825 GB Notification: Performance of sort global known variables: time 7e-08/0.9052, allocations: 0 / 1.282 GB, free: 12.23 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.0002872/0.9055, allocations: 47.78 kB / 1.282 GB, free: 12.18 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 10 (actAirSet.or3.y,actAirSet.ifOcc.y,actAirSet.ifCooDow.y,actAirSet.ifSetUp.y,actAirSet.ifWarUp.y,actAirSet.ifSetBac.y,actAirSet.or1.y,actAirSet.or2.y,actAirSet.or4.y,reaToInt2.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (17): * Single equations (assignments): 17 * 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 0.0001566/0.9057, allocations: 117.5 kB / 1.282 GB, free: 12.06 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.0004506/0.9061, allocations: 141.7 kB / 1.282 GB, free: 11.93 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 1.873e-06/0.9061, allocations: 0 / 1.282 GB, free: 11.93 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.0002011/0.9063, allocations: 76.2 kB / 1.282 GB, free: 11.85 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003115/0.9066, allocations: 30.55 kB / 1.282 GB, free: 11.82 MB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007222/0.9074, allocations: 356.6 kB / 1.283 GB, free: 11.45 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003986/0.9078, allocations: 0.7319 MB / 1.283 GB, free: 10.69 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 9.148e-05/0.9079, allocations: 21.55 kB / 1.283 GB, free: 10.67 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.873e-05/0.9079, allocations: 19.42 kB / 1.283 GB, free: 10.66 MB / 0.9825 GB Notification: Performance of SimCode: time 3e-07/0.9079, allocations: 4 kB / 1.283 GB, free: 10.65 MB / 0.9825 GB Notification: Performance of Templates: time 0.005081/0.913, allocations: 1.52 MB / 1.285 GB, free: 9.184 MB / 0.9825 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.sim & ./Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow -abortSlowSimulation -alarm=400 -s gbode -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.ActiveAirFlow.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: 8.88910170411691]