Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D.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 0.0008188/0.0008188, allocations: 100.3 kB / 19.72 MB, free: 428 kB / 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 0.0008942/0.0008942, allocations: 215.3 kB / 23.03 MB, free: 2.969 MB / 13.93 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 0.9705/0.9705, allocations: 230.6 MB / 256.8 MB, free: 9.582 MB / 202.7 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 1.904/1.904, allocations: 0.5045 GB / 0.8104 GB, free: 2.773 MB / 0.6511 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.Occupants.BaseClasses.Validation.Logit1D,fileNamePrefix="Buildings_13_Buildings_Occupants_BaseClasses_Validation_Logit1D",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Occupants.BaseClasses.Validation.Logit1D,fileNamePrefix="Buildings_13_Buildings_Occupants_BaseClasses_Validation_Logit1D",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.0009588/0.0009588, allocations: 75.88 kB / 1.177 GB, free: 12.01 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7476/0.7485, allocations: 180 MB / 1.352 GB, free: 1.68 MB / 1.026 GB Notification: Performance of NFInst.instantiate(Buildings.Occupants.BaseClasses.Validation.Logit1D): time 0.001641/0.7502, allocations: 1.257 MB / 1.354 GB, free: 420 kB / 1.026 GB Notification: Performance of NFInst.instExpressions: time 0.0006533/0.7508, allocations: 433.7 kB / 1.354 GB, free: 15.99 MB / 1.042 GB Notification: Performance of NFInst.updateImplicitVariability: time 2.685e-05/0.7508, allocations: 0 / 1.354 GB, free: 15.99 MB / 1.042 GB Notification: Performance of NFTyping.typeComponents: time 7.327e-05/0.7509, allocations: 3.938 kB / 1.354 GB, free: 15.98 MB / 1.042 GB Notification: Performance of NFTyping.typeBindings: time 2.019e-05/0.7509, allocations: 3.938 kB / 1.354 GB, free: 15.98 MB / 1.042 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004416/0.7514, allocations: 123.6 kB / 1.354 GB, free: 15.86 MB / 1.042 GB Notification: Performance of NFFlatten.flatten: time 6.375e-05/0.7514, allocations: 27.91 kB / 1.354 GB, free: 15.83 MB / 1.042 GB Notification: Performance of NFFlatten.resolveConnections: time 3.42e-05/0.7515, allocations: 0 / 1.354 GB, free: 15.83 MB / 1.042 GB Notification: Performance of NFEvalConstants.evaluate: time 2.144e-05/0.7515, allocations: 8 kB / 1.354 GB, free: 15.82 MB / 1.042 GB Notification: Performance of NFSimplifyModel.simplify: time 2.613e-05/0.7515, allocations: 7.922 kB / 1.354 GB, free: 15.82 MB / 1.042 GB Notification: Performance of NFPackage.collectConstants: time 1.238e-05/0.7515, allocations: 4 kB / 1.354 GB, free: 15.81 MB / 1.042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002045/0.7517, allocations: 143.7 kB / 1.354 GB, free: 15.67 MB / 1.042 GB Notification: Performance of NFScalarize.scalarize: time 3.978e-05/0.7518, allocations: 23.92 kB / 1.354 GB, free: 15.65 MB / 1.042 GB Notification: Performance of NFVerifyModel.verify: time 2.893e-05/0.7518, allocations: 19.75 kB / 1.354 GB, free: 15.63 MB / 1.042 GB Notification: Performance of NFConvertDAE.convert: time 0.0001679/0.752, allocations: 137.7 kB / 1.355 GB, free: 15.5 MB / 1.042 GB Notification: Performance of FrontEnd - DAE generated: time 3.747e-06/0.752, allocations: 8 kB / 1.355 GB, free: 15.49 MB / 1.042 GB Notification: Performance of FrontEnd: time 1.683e-06/0.752, allocations: 0 / 1.355 GB, free: 15.49 MB / 1.042 GB Notification: Performance of Transformations before backend: time 4.869e-06/0.752, allocations: 3.938 kB / 1.355 GB, free: 15.48 MB / 1.042 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 36 * Number of variables: 36 Notification: Performance of Generate backend data structure: time 0.0006111/0.7526, allocations: 366.1 kB / 1.355 GB, free: 15.09 MB / 1.042 GB Notification: Performance of prepare preOptimizeDAE: time 3.515e-05/0.7526, allocations: 12.92 kB / 1.355 GB, free: 15.08 MB / 1.042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.46e-05/0.7527, allocations: 50.69 kB / 1.355 GB, free: 15.02 MB / 1.042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.135e-05/0.7528, allocations: 12.83 kB / 1.355 GB, free: 15.01 MB / 1.042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 7.436e-05/0.7528, allocations: 118.4 kB / 1.355 GB, free: 14.87 MB / 1.042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.504e-05/0.7528, allocations: 8.312 kB / 1.355 GB, free: 14.86 MB / 1.042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.516e-06/0.7528, allocations: 4.359 kB / 1.355 GB, free: 14.86 MB / 1.042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001286/0.753, allocations: 146 kB / 1.355 GB, free: 14.71 MB / 1.042 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.474e-06/0.753, allocations: 7.938 kB / 1.355 GB, free: 14.7 MB / 1.042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.763e-06/0.753, allocations: 4 kB / 1.355 GB, free: 14.7 MB / 1.042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.539e-06/0.753, allocations: 0 / 1.355 GB, free: 14.7 MB / 1.042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 4.582e-05/0.753, allocations: 63.97 kB / 1.355 GB, free: 14.63 MB / 1.042 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0002615/0.7533, allocations: 247.9 kB / 1.356 GB, free: 14.35 MB / 1.042 GB Notification: Performance of preOpt comSubExp (simulation): time 9.365e-05/0.7534, allocations: 94.42 kB / 1.356 GB, free: 14.25 MB / 1.042 GB Notification: Performance of preOpt resolveLoops (simulation): time 4.598e-05/0.7534, allocations: 68.91 kB / 1.356 GB, free: 14.18 MB / 1.042 GB Notification: Performance of preOpt evalFunc (simulation): time 6.763e-06/0.7535, allocations: 0 / 1.356 GB, free: 14.18 MB / 1.042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001782/0.7536, allocations: 183.3 kB / 1.356 GB, free: 13.98 MB / 1.042 GB Notification: Performance of pre-optimization done (n=38): time 1.933e-06/0.7536, allocations: 3.984 kB / 1.356 GB, free: 13.98 MB / 1.042 GB Notification: Performance of matching and sorting (n=38): time 0.0003476/0.754, allocations: 418.8 kB / 1.356 GB, free: 13.57 MB / 1.042 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.409e-05/0.754, allocations: 87.36 kB / 1.356 GB, free: 13.47 MB / 1.042 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 6.056e-05/0.7541, allocations: 125.8 kB / 1.356 GB, free: 13.34 MB / 1.042 GB Notification: Performance of collectPreVariables (initialization): time 2.722e-05/0.7541, allocations: 61.61 kB / 1.357 GB, free: 13.27 MB / 1.042 GB Notification: Performance of collectInitialEqns (initialization): time 2.551e-05/0.7541, allocations: 80.8 kB / 1.357 GB, free: 13.19 MB / 1.042 GB Notification: Performance of collectInitialBindings (initialization): time 5.305e-05/0.7542, allocations: 103.3 kB / 1.357 GB, free: 13.09 MB / 1.042 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.101e-05/0.7542, allocations: 93.45 kB / 1.357 GB, free: 12.99 MB / 1.042 GB Notification: Performance of setup shared object (initialization): time 7.673e-05/0.7543, allocations: 338.8 kB / 1.357 GB, free: 12.65 MB / 1.042 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001107/0.7544, allocations: 140.6 kB / 1.357 GB, free: 12.51 MB / 1.042 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001493/0.7546, allocations: 213.3 kB / 1.357 GB, free: 12.28 MB / 1.042 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00028/0.7549, allocations: 409.2 kB / 1.358 GB, free: 11.86 MB / 1.042 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.915e-06/0.7549, allocations: 3.938 kB / 1.358 GB, free: 11.86 MB / 1.042 GB Notification: Performance of matching and sorting (n=74) (initialization): time 0.0003345/0.7552, allocations: 446.4 kB / 1.358 GB, free: 11.42 MB / 1.042 GB Notification: Performance of prepare postOptimizeDAE: time 1.313e-05/0.7552, allocations: 8 kB / 1.358 GB, free: 11.41 MB / 1.042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.74e-06/0.7552, allocations: 4.125 kB / 1.358 GB, free: 11.41 MB / 1.042 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.175e-05/0.7552, allocations: 4 kB / 1.358 GB, free: 11.4 MB / 1.042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 5.681e-05/0.7553, allocations: 19.92 kB / 1.358 GB, free: 11.38 MB / 1.042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.25e-06/0.7553, allocations: 4 kB / 1.358 GB, free: 11.38 MB / 1.042 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 3.872e-05/0.7553, allocations: 35.67 kB / 1.358 GB, free: 11.34 MB / 1.042 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.148e-05/0.7553, allocations: 12 kB / 1.358 GB, free: 11.33 MB / 1.042 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 72 (state[33],$PRE.state[33],state[32],$PRE.state[32],state[31],$PRE.state[31],state[30],$PRE.state[30],state[29],$PRE.state[29],state[28],$PRE.state[28],state[27],$PRE.state[27],state[26],$PRE.state[26],state[25],$PRE.state[25],state[24],$PRE.state[24],state[23],$PRE.state[23],state[22],$PRE.state[22],state[21],$PRE.state[21],state[20],$PRE.state[20],state[19],$PRE.state[19],state[18],$PRE.state[18],state[17],$PRE.state[17],state[16],$PRE.state[16],state[15],$PRE.state[15],state[14],$PRE.state[14],state[13],$PRE.state[13],state[12],$PRE.state[12],state[11],$PRE.state[11],state[10],$PRE.state[10],state[9],$PRE.state[9],state[8],$PRE.state[8],state[7],$PRE.state[7],state[6],$PRE.state[6],state[5],$PRE.state[5],state[4],$PRE.state[4],state[3],$PRE.state[3],state[2],$PRE.state[2],state[1],$PRE.state[1],r,$PRE.r,$whenCondition1,$outputAlias_y,$PRE.$outputAlias_y,y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (42): * Single equations (assignments): 41 * Array equations: 1 * 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 0.0001049/0.7555, allocations: 182.2 kB / 1.359 GB, free: 11.15 MB / 1.042 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.039e-05/0.7555, allocations: 11.91 kB / 1.359 GB, free: 11.14 MB / 1.042 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 1.92e-05/0.7555, allocations: 9.312 kB / 1.359 GB, free: 11.13 MB / 1.042 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.695e-06/0.7555, allocations: 7.938 kB / 1.359 GB, free: 11.12 MB / 1.042 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.318e-06/0.7555, allocations: 0 / 1.359 GB, free: 11.12 MB / 1.042 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.695e-06/0.7555, allocations: 0 / 1.359 GB, free: 11.12 MB / 1.042 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003277/0.7558, allocations: 0.5282 MB / 1.359 GB, free: 10.54 MB / 1.042 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.012e-06/0.7558, allocations: 0 / 1.359 GB, free: 10.54 MB / 1.042 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 9.829e-06/0.7558, allocations: 4 kB / 1.359 GB, free: 10.54 MB / 1.042 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.62e-07/0.7558, allocations: 4 kB / 1.359 GB, free: 10.54 MB / 1.042 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.541e-06/0.7558, allocations: 0 / 1.359 GB, free: 10.54 MB / 1.042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.21e-07/0.7558, allocations: 4 kB / 1.359 GB, free: 10.53 MB / 1.042 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.62e-07/0.7558, allocations: 0 / 1.359 GB, free: 10.53 MB / 1.042 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002343/0.7561, allocations: 415 kB / 1.359 GB, free: 10.11 MB / 1.042 GB Notification: Performance of postOpt removeConstants (simulation): time 9.477e-06/0.7561, allocations: 15.84 kB / 1.36 GB, free: 10.09 MB / 1.042 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.146e-05/0.7561, allocations: 23.98 kB / 1.36 GB, free: 10.07 MB / 1.042 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 2.862e-05/0.7561, allocations: 0 / 1.36 GB, free: 10.07 MB / 1.042 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 1.758e-05/0.7561, allocations: 4 kB / 1.36 GB, free: 10.07 MB / 1.042 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.791e-06/0.7562, allocations: 8.359 kB / 1.36 GB, free: 10.06 MB / 1.042 GB Notification: Performance of sorting global known variables: time 2.568e-05/0.7562, allocations: 87.22 kB / 1.36 GB, free: 9.973 MB / 1.042 GB Notification: Performance of sort global known variables: time 7e-08/0.7562, allocations: 4 kB / 1.36 GB, free: 9.969 MB / 1.042 GB Notification: Performance of remove unused functions: time 0.0002254/0.7564, allocations: 59.81 kB / 1.36 GB, free: 9.91 MB / 1.042 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 37 ($whenCondition1,y,$outputAlias_y,state[1],state[2],state[3],state[4],state[5],state[6],state[7],state[8],state[9],state[10],state[11],state[12],state[13],state[14],state[15],state[16],state[17],state[18],state[19],state[20],state[21],state[22],state[23],state[24],state[25],state[26],state[27],state[28],state[29],state[30],state[31],state[32],state[33],r) * Number of discrete states: 33 (state[1],state[2],state[3],state[4],state[5],state[6],state[7],state[8],state[9],state[10],state[11],state[12],state[13],state[14],state[15],state[16],state[17],state[18],state[19],state[20],state[21],state[22],state[23],state[24],state[25],state[26],state[27],state[28],state[29],state[30],state[31],state[32],state[33]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (5): * Single equations (assignments): 3 * 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 0.0006937/0.7571, allocations: 1.161 MB / 1.361 GB, free: 8.738 MB / 1.042 GB Notification: Performance of simCode: created initialization part: time 0.0002361/0.7573, allocations: 276.9 kB / 1.361 GB, free: 8.469 MB / 1.042 GB Notification: Performance of simCode: created event and clocks part: time 1.392e-06/0.7573, allocations: 0 / 1.361 GB, free: 8.469 MB / 1.042 GB Notification: Performance of simCode: created simulation system equations: time 5.846e-05/0.7574, allocations: 79.91 kB / 1.361 GB, free: 8.391 MB / 1.042 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001463/0.7575, allocations: 4 kB / 1.361 GB, free: 8.387 MB / 1.042 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001796/0.7593, allocations: 2.512 MB / 1.364 GB, free: 5.758 MB / 1.042 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 7.066e-05/0.7594, allocations: 109.7 kB / 1.364 GB, free: 5.633 MB / 1.042 GB Notification: Performance of simCode: alias equations: time 2.365e-05/0.7594, allocations: 17.08 kB / 1.364 GB, free: 5.617 MB / 1.042 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.957e-05/0.7595, allocations: 35.42 kB / 1.364 GB, free: 5.582 MB / 1.042 GB Notification: Performance of SimCode: time 5.81e-07/0.7595, allocations: 0 / 1.364 GB, free: 5.582 MB / 1.042 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0808/0.8403, allocations: 3.767 MB / 1.367 GB, free: 1.973 MB / 1.042 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.096/7.936, allocations: 12.42 kB / 1.367 GB, free: 1.965 MB / 1.042 GB " [Timeout remaining time 292] (rm -f Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D.pipe ; mkfifo Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D.pipe ; head -c 1048576 < Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D.pipe >> ../files/Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D.sim & (cd run_OMSimulator && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --stripRoot --tempDir=temp_Buildings_13_Buildings_Occupants_BaseClasses_Validation_Logit1D_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 ../Buildings_13_Buildings_Occupants_BaseClasses_Validation_Logit1D.fmu) > Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D.pipe 2>&1) [Timeout 52.5] (rm -f Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D_fmpy.pipe ; mkfifo Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D_fmpy.pipe ; head -c 1048576 < Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D_fmpy.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D_fmpy.sim & (cd run_fmpy && python3 -m fmpy simulate --output-file ../Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D_fmpy_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 ../Buildings_13_Buildings_Occupants_BaseClasses_Validation_Logit1D.fmu) > Buildings_13_Buildings.Occupants.BaseClasses.Validation.Logit1D_fmpy.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 12.720745748840272]