Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.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 0.0009575/0.0009575, 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 0.001015/0.001015, allocations: 165.9 kB / 22.45 MB, free: 2.109 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 0.8927/0.8927, allocations: 177.1 MB / 202.8 MB, free: 5.73 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 1.746/1.746, allocations: 377.8 MB / 0.6221 GB, free: 8.66 MB / 0.5886 GB " [Timeout remaining time 178] Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.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.Utilities.IO.SignalExchange.Examples.WeatherStation,fileNamePrefix="Buildings_12_Buildings_Utilities_IO_SignalExchange_Examples_WeatherStation",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation,fileNamePrefix="Buildings_12_Buildings_Utilities_IO_SignalExchange_Examples_WeatherStation",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.502e-06/1.502e-06, allocations: 0 / 0.9809 GB, free: 2.609 MB / 0.9323 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.254e-05/1.405e-05, allocations: 2.281 kB / 0.9809 GB, free: 2.605 MB / 0.9323 GB Notification: Performance of NFInst.instantiate(Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation): time 0.004866/0.00488, allocations: 5.076 MB / 0.9859 GB, free: 13.51 MB / 0.948 GB Notification: Performance of NFInst.instExpressions: time 0.5327/0.5375, allocations: 133 MB / 1.116 GB, free: 19.87 MB / 0.9948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001107/0.5386, allocations: 35 kB / 1.116 GB, free: 19.85 MB / 0.9948 GB Notification: Performance of NFTyping.typeComponents: time 0.0008373/0.5395, allocations: 385.7 kB / 1.116 GB, free: 19.59 MB / 0.9948 GB Notification: Performance of NFTyping.typeBindings: time 0.001657/0.5411, allocations: 0.5928 MB / 1.117 GB, free: 19.25 MB / 0.9948 GB Notification: Performance of NFTyping.typeClassSections: time 0.001651/0.5428, allocations: 0.9216 MB / 1.118 GB, free: 18.76 MB / 0.9948 GB Notification: Performance of NFFlatten.flatten: time 0.001357/0.5441, allocations: 1.645 MB / 1.119 GB, free: 17.88 MB / 0.9948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006566/0.5448, allocations: 499.7 kB / 1.12 GB, free: 17.58 MB / 0.9948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0008425/0.5456, allocations: 0.8392 MB / 1.121 GB, free: 17.18 MB / 0.9948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004757/0.5461, allocations: 450.1 kB / 1.121 GB, free: 17 MB / 0.9948 GB Notification: Performance of NFPackage.collectConstants: time 0.0001725/0.5463, allocations: 143.4 kB / 1.121 GB, free: 17 MB / 0.9948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008234/0.5471, allocations: 0.505 MB / 1.122 GB, free: 16.89 MB / 0.9948 GB Notification: Performance of NFScalarize.scalarize: time 0.0002208/0.5473, allocations: 356.2 kB / 1.122 GB, free: 16.66 MB / 0.9948 GB Notification: Performance of NFVerifyModel.verify: time 0.0003402/0.5477, allocations: 448.1 kB / 1.122 GB, free: 16.43 MB / 0.9948 GB Notification: Performance of NFConvertDAE.convert: time 0.001919/0.5496, allocations: 2.091 MB / 1.124 GB, free: 15.55 MB / 0.9948 GB Notification: Performance of FrontEnd - DAE generated: time 5.16e-06/0.5496, allocations: 0 / 1.124 GB, free: 15.55 MB / 0.9948 GB Notification: Performance of FrontEnd: time 2.215e-06/0.5496, allocations: 1.344 kB / 1.124 GB, free: 15.55 MB / 0.9948 GB Notification: Performance of Transformations before backend: time 1.771e-05/0.5496, allocations: 0 / 1.124 GB, free: 15.55 MB / 0.9948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 257 * Number of variables: 257 Notification: Performance of Generate backend data structure: time 0.002176/0.5518, allocations: 1.693 MB / 1.126 GB, free: 14.45 MB / 0.9948 GB Notification: Performance of prepare preOptimizeDAE: time 4.802e-05/0.5518, allocations: 9.219 kB / 1.126 GB, free: 14.45 MB / 0.9948 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001819/0.552, allocations: 161 kB / 1.126 GB, free: 14.34 MB / 0.9948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001248/0.5533, allocations: 273 kB / 1.127 GB, free: 14.25 MB / 0.9948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001149/0.5544, allocations: 0.8431 MB / 1.127 GB, free: 13.74 MB / 0.9948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.988e-05/0.5545, allocations: 81.97 kB / 1.127 GB, free: 13.7 MB / 0.9948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001115/0.5546, allocations: 109 kB / 1.128 GB, free: 13.66 MB / 0.9948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001245/0.5558, allocations: 1.31 MB / 1.129 GB, free: 12.85 MB / 0.9948 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.799e-05/0.5558, allocations: 1.156 kB / 1.129 GB, free: 12.85 MB / 0.9948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.835e-05/0.5559, allocations: 43.58 kB / 1.129 GB, free: 12.82 MB / 0.9948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.371e-05/0.5559, allocations: 24.19 kB / 1.129 GB, free: 12.82 MB / 0.9948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001365/0.5573, allocations: 1.127 MB / 1.13 GB, free: 12.54 MB / 0.9948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002967/0.5603, allocations: 2.643 MB / 1.133 GB, free: 11.02 MB / 0.9948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001029/0.5613, allocations: 0.7902 MB / 1.133 GB, free: 10.72 MB / 0.9948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003532/0.5616, allocations: 293.4 kB / 1.134 GB, free: 10.6 MB / 0.9948 GB Notification: Performance of preOpt evalFunc (simulation): time 5.757e-05/0.5617, allocations: 25.3 kB / 1.134 GB, free: 10.6 MB / 0.9948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006191/0.5623, allocations: 0.6113 MB / 1.134 GB, free: 10.25 MB / 0.9948 GB Notification: Performance of pre-optimization done (n=86): time 2.695e-06/0.5623, allocations: 0 / 1.134 GB, free: 10.25 MB / 0.9948 GB Notification: Performance of matching and sorting (n=86): time 0.001911/0.5642, allocations: 1.19 MB / 1.135 GB, free: 9.812 MB / 0.9948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.496e-05/0.5643, allocations: 200.1 kB / 1.136 GB, free: 9.59 MB / 0.9948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008097/0.5651, allocations: 0.8279 MB / 1.136 GB, free: 9.23 MB / 0.9948 GB Notification: Performance of collectPreVariables (initialization): time 4.885e-05/0.5651, allocations: 45.75 kB / 1.136 GB, free: 9.188 MB / 0.9948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002411/0.5654, allocations: 0.5201 MB / 1.137 GB, free: 8.777 MB / 0.9948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001187/0.5655, allocations: 287.9 kB / 1.137 GB, free: 8.547 MB / 0.9948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001675/0.5657, allocations: 162 kB / 1.137 GB, free: 8.469 MB / 0.9948 GB Notification: Performance of setup shared object (initialization): time 4.07e-05/0.5657, allocations: 336.1 kB / 1.138 GB, free: 8.152 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003677/0.5661, allocations: 269.6 kB / 1.138 GB, free: 8.059 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004605/0.5665, allocations: 0.5083 MB / 1.138 GB, free: 7.703 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007811/0.5673, allocations: 0.6221 MB / 1.139 GB, free: 7.41 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.557e-06/0.5673, allocations: 0 / 1.139 GB, free: 7.41 MB / 0.9948 GB Notification: Performance of matching and sorting (n=99) (initialization): time 0.001329/0.5687, allocations: 0.8953 MB / 1.14 GB, free: 7.043 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 1.892e-05/0.5687, allocations: 5.625 kB / 1.14 GB, free: 7.043 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.156e-06/0.5687, allocations: 1.094 kB / 1.14 GB, free: 7.043 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003393/0.569, allocations: 83.25 kB / 1.14 GB, free: 7.023 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003832/0.5694, allocations: 158.9 kB / 1.14 GB, free: 7.004 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001196/0.5706, allocations: 1.535 MB / 1.142 GB, free: 5.594 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004576/0.5711, allocations: 91.67 kB / 1.142 GB, free: 5.547 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.758e-05/0.5711, allocations: 35.34 kB / 1.142 GB, free: 5.539 MB / 0.9948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 25 (weaDat.decAng.k,$PRE.weaDat.decAng.k,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.k,$PRE.weaDat.eqnTim.k,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.k,$PRE.weaDat.conTim.k,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.k,$PRE.weaDat.conTimMin.k,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.k,$PRE.weaDat.locTim.k,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (97): * Single equations (assignments): 96 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0004439/0.5716, allocations: 306.5 kB / 1.142 GB, free: 5.316 MB / 0.9948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001297/0.5717, allocations: 109.9 kB / 1.142 GB, free: 5.258 MB / 0.9948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001569/0.5732, allocations: 1.107 MB / 1.143 GB, free: 4.828 MB / 0.9948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.885e-06/0.5733, allocations: 13.53 kB / 1.143 GB, free: 4.824 MB / 0.9948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.605e-06/0.5733, allocations: 5.031 kB / 1.143 GB, free: 4.82 MB / 0.9948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.818e-06/0.5733, allocations: 4.688 kB / 1.143 GB, free: 4.82 MB / 0.9948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002567/0.5758, allocations: 2.126 MB / 1.145 GB, free: 3.785 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.447e-06/0.5758, allocations: 1.969 kB / 1.145 GB, free: 3.785 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003213/0.5762, allocations: 146.6 kB / 1.146 GB, free: 3.77 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002259/0.5764, allocations: 74.11 kB / 1.146 GB, free: 3.75 MB / 0.9948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.895e-05/0.5764, allocations: 24.89 kB / 1.146 GB, free: 3.738 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000918/0.5773, allocations: 1.559 MB / 1.147 GB, free: 2.316 MB / 0.9948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.493e-06/0.5773, allocations: 1.719 kB / 1.147 GB, free: 2.316 MB / 0.9948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001228/0.5786, allocations: 1.055 MB / 1.148 GB, free: 1.832 MB / 0.9948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003278/0.5789, allocations: 228.6 kB / 1.148 GB, free: 1.699 MB / 0.9948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.41e-05/0.579, allocations: 23.73 kB / 1.148 GB, free: 1.684 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003484/0.5793, allocations: 65.5 kB / 1.148 GB, free: 1.668 MB / 0.9948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001247/0.5795, allocations: 77.81 kB / 1.149 GB, free: 1.656 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.538e-05/0.5795, allocations: 40.08 kB / 1.149 GB, free: 1.645 MB / 0.9948 GB Notification: Performance of sorting global known variables: time 0.0005397/0.58, allocations: 0.5753 MB / 1.149 GB, free: 1.391 MB / 0.9948 GB Notification: Performance of sort global known variables: time 2.2e-07/0.58, allocations: 0 / 1.149 GB, free: 1.391 MB / 0.9948 GB Notification: Performance of remove unused functions: time 0.000761/0.5808, allocations: 363.3 kB / 1.149 GB, free: 1.281 MB / 0.9948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.locTim.k,weaDat.conTimMin.tNext,weaDat.conTimMin.k,weaDat.conTim.tNext,weaDat.conTim.k,weaDat.eqnTim.tNext,weaDat.eqnTim.k,weaDat.decAng.tNext,weaDat.decAng.k) * Number of discrete states: 10 (weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.locTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext,weaDat.decAng.k,weaDat.eqnTim.k,weaDat.conTim.k,weaDat.conTimMin.k,weaDat.locTim.k) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (97): * Single equations (assignments): 86 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002358/0.5832, allocations: 2.156 MB / 1.152 GB, free: 104 kB / 0.9948 GB Notification: Performance of simCode: created initialization part: time 0.001212/0.5844, allocations: 0.8126 MB / 1.152 GB, free: 15.76 MB / 1.01 GB Notification: Performance of simCode: created event and clocks part: time 2.114e-06/0.5844, allocations: 0 / 1.152 GB, free: 15.76 MB / 1.01 GB Notification: Performance of simCode: created simulation system equations: time 0.0005824/0.585, allocations: 0.5029 MB / 1.153 GB, free: 15.52 MB / 1.01 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001108/0.5861, allocations: 484.9 kB / 1.153 GB, free: 15.37 MB / 1.01 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008443/0.5945, allocations: 7.381 MB / 1.161 GB, free: 11.7 MB / 1.01 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005452/0.5951, allocations: 0.5221 MB / 1.161 GB, free: 11.55 MB / 1.01 GB Notification: Performance of simCode: alias equations: time 0.0008465/0.5959, allocations: 288.1 kB / 1.161 GB, free: 11.48 MB / 1.01 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005451/0.5964, allocations: 491.8 kB / 1.162 GB, free: 11.13 MB / 1.01 GB Notification: Performance of SimCode: time 9.52e-07/0.5964, allocations: 0 / 1.162 GB, free: 11.13 MB / 1.01 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05697/0.6534, allocations: 28.8 MB / 1.19 GB, free: 1.031 MB / 1.01 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.739/9.392, allocations: 20.36 kB / 1.19 GB, free: 1.02 MB / 1.01 GB " [Timeout remaining time 290] (rm -f Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe ; mkfifo Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe ; head -c 1048576 < Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe >> ../files/Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation_res.mat --tempDir=temp_Buildings_12_Buildings_Utilities_IO_SignalExchange_Examples_WeatherStation_fmu --startTime=0 --stopTime=864000 --stepSize=345.6 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Utilities_IO_SignalExchange_Examples_WeatherStation.fmu > Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Utilities_IO_SignalExchange_Examples_WeatherStation.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.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: 13.565037914551795]