Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.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 0.001424/0.001424, allocations: 113.8 kB / 17.61 MB, free: 4.703 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 0.001578/0.001578, allocations: 186 kB / 20.78 MB, free: 1.547 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 1.494/1.494, allocations: 225.6 MB / 249.4 MB, free: 3.156 MB / 190.1 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 2.786/2.786, allocations: 476.7 MB / 0.7629 GB, free: 15.16 MB / 0.6075 GB " [Timeout remaining time 176] 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.Fluid.Movers.Validation.PumpCurveConstruction,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pum.dpMachine|pum_dp.dpMachine|pum_m_flow.dpMachine|pum_no.dpMachine",fileNamePrefix="Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction") translateModel(Buildings.Fluid.Movers.Validation.PumpCurveConstruction,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pum.dpMachine|pum_dp.dpMachine|pum_m_flow.dpMachine|pum_no.dpMachine",fileNamePrefix="Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002083/0.002083, allocations: 63.89 kB / 1.107 GB, free: 4.586 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.052/1.054, allocations: 168.7 MB / 1.272 GB, free: 7.902 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.PumpCurveConstruction): time 0.1219/1.176, allocations: 105.8 MB / 1.375 GB, free: 12.64 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.0633/1.239, allocations: 35.25 MB / 1.41 GB, free: 0.7773 MB / 1.092 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.009128/1.248, allocations: 161.6 kB / 1.41 GB, free: 0.7227 MB / 1.092 GB Notification: Performance of NFTyping.typeComponents: time 0.01103/1.259, allocations: 2.938 MB / 1.413 GB, free: 14.52 MB / 1.107 GB Notification: Performance of NFTyping.typeBindings: time 0.02027/1.279, allocations: 5.686 MB / 1.418 GB, free: 10 MB / 1.107 GB Notification: Performance of NFTyping.typeClassSections: time 0.01333/1.293, allocations: 4.121 MB / 1.422 GB, free: 6.879 MB / 1.107 GB Notification: Performance of NFFlatten.flatten: time 0.05834/1.351, allocations: 32.06 MB / 1.454 GB, free: 10.76 MB / 1.139 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006847/1.358, allocations: 3.012 MB / 1.457 GB, free: 7.68 MB / 1.139 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01094/1.369, allocations: 4.385 MB / 1.461 GB, free: 3.289 MB / 1.139 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006711/1.375, allocations: 3.561 MB / 1.464 GB, free: 15.71 MB / 1.154 GB Notification: Performance of NFPackage.collectConstants: time 0.001165/1.377, allocations: 460 kB / 1.465 GB, free: 15.26 MB / 1.154 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007042/1.384, allocations: 2.987 MB / 1.468 GB, free: 12.27 MB / 1.154 GB Notification: Performance of NFScalarize.scalarize: time 0.002191/1.386, allocations: 1.923 MB / 1.47 GB, free: 10.34 MB / 1.154 GB Notification: Performance of NFVerifyModel.verify: time 0.004646/1.39, allocations: 2.993 MB / 1.473 GB, free: 7.332 MB / 1.154 GB Notification: Performance of NFConvertDAE.convert: time 0.0148/1.405, allocations: 8.815 MB / 1.481 GB, free: 14.48 MB / 1.17 GB Notification: Performance of FrontEnd - DAE generated: time 4.949e-06/1.405, allocations: 4 kB / 1.481 GB, free: 14.48 MB / 1.17 GB Notification: Performance of FrontEnd: time 1.453e-06/1.405, allocations: 0 / 1.481 GB, free: 14.48 MB / 1.17 GB Notification: Performance of Transformations before backend: time 0.0001764/1.405, allocations: 0 / 1.481 GB, free: 14.48 MB / 1.17 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 541 * Number of variables: 541 Notification: Performance of Generate backend data structure: time 0.01409/1.42, allocations: 6.482 MB / 1.487 GB, free: 7.879 MB / 1.17 GB Notification: Performance of prepare preOptimizeDAE: time 4.289e-05/1.42, allocations: 12.03 kB / 1.487 GB, free: 7.867 MB / 1.17 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01109/1.431, allocations: 1.92 MB / 1.489 GB, free: 5.941 MB / 1.17 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0187/1.449, allocations: 7.346 MB / 1.497 GB, free: 14.53 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002411/1.45, allocations: 184.2 kB / 1.497 GB, free: 14.34 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007837/1.45, allocations: 248 kB / 1.497 GB, free: 14.1 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006659/1.457, allocations: 3.216 MB / 1.5 GB, free: 10.74 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.344e-05/1.457, allocations: 7.938 kB / 1.5 GB, free: 10.73 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002431/1.457, allocations: 88 kB / 1.5 GB, free: 10.65 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.992e-05/1.457, allocations: 52 kB / 1.5 GB, free: 10.6 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006458/1.464, allocations: 2.596 MB / 1.503 GB, free: 7.984 MB / 1.186 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0256/1.489, allocations: 14.89 MB / 1.517 GB, free: 8.191 MB / 1.201 GB Notification: Performance of preOpt comSubExp (simulation): time 0.006086/1.496, allocations: 2.188 MB / 1.519 GB, free: 6 MB / 1.201 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002627/1.498, allocations: 0.9301 MB / 1.52 GB, free: 5.066 MB / 1.201 GB Notification: Performance of preOpt evalFunc (simulation): time 0.009808/1.508, allocations: 5.003 MB / 1.525 GB, free: 15.77 MB / 1.217 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.294e-05/1.508, allocations: 43.56 kB / 1.525 GB, free: 15.72 MB / 1.217 GB Notification: Performance of pre-optimization done (n=112): time 3.105e-06/1.508, allocations: 0 / 1.525 GB, free: 15.72 MB / 1.217 GB Notification: Performance of matching and sorting (n=112): time 0.01266/1.521, allocations: 3.971 MB / 1.529 GB, free: 11.65 MB / 1.217 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.636e-05/1.521, allocations: 64.34 kB / 1.529 GB, free: 11.58 MB / 1.217 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009664/1.53, allocations: 5.495 MB / 1.535 GB, free: 6.074 MB / 1.217 GB Notification: Performance of collectPreVariables (initialization): time 0.0005544/1.531, allocations: 65.61 kB / 1.535 GB, free: 6.008 MB / 1.217 GB Notification: Performance of collectInitialEqns (initialization): time 0.00259/1.534, allocations: 2.245 MB / 1.537 GB, free: 3.746 MB / 1.217 GB Notification: Performance of collectInitialBindings (initialization): time 0.000789/1.534, allocations: 428.5 kB / 1.537 GB, free: 3.324 MB / 1.217 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001505/1.536, allocations: 0.8802 MB / 1.538 GB, free: 2.438 MB / 1.217 GB Notification: Performance of setup shared object (initialization): time 0.0001457/1.536, allocations: 301.1 kB / 1.538 GB, free: 2.141 MB / 1.217 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004875/1.541, allocations: 2.625 MB / 1.541 GB, free: 15.51 MB / 1.232 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005883/1.547, allocations: 3.455 MB / 1.544 GB, free: 11.73 MB / 1.232 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01047/1.557, allocations: 5.586 MB / 1.55 GB, free: 5.891 MB / 1.232 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.232e-05/1.557, allocations: 15.92 kB / 1.55 GB, free: 5.875 MB / 1.232 GB Notification: Performance of matching and sorting (n=488) (initialization): time 0.01547/1.573, allocations: 7.072 MB / 1.557 GB, free: 14.76 MB / 1.248 GB Notification: Performance of prepare postOptimizeDAE: time 4.287e-05/1.573, allocations: 15.94 kB / 1.557 GB, free: 14.74 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.506e-05/1.573, allocations: 20 kB / 1.557 GB, free: 14.72 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001897/1.575, allocations: 0.7102 MB / 1.557 GB, free: 14 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003324/1.578, allocations: 0.667 MB / 1.558 GB, free: 13.33 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003014/1.581, allocations: 2.733 MB / 1.561 GB, free: 10.5 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005406/1.586, allocations: 454 kB / 1.561 GB, free: 10.05 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000862/1.587, allocations: 215.9 kB / 1.561 GB, free: 9.84 MB / 1.248 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006838/1.594, allocations: 3.239 MB / 1.565 GB, free: 6.594 MB / 1.248 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005311/1.599, allocations: 3.022 MB / 1.567 GB, free: 3.254 MB / 1.248 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.008623/1.608, allocations: 4.728 MB / 1.572 GB, free: 14.27 MB / 1.264 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.927e-05/1.608, allocations: 4 kB / 1.572 GB, free: 14.26 MB / 1.264 GB Notification: Performance of matching and sorting (n=488) (initialization_lambda0): time 0.01359/1.622, allocations: 6.253 MB / 1.578 GB, free: 7.965 MB / 1.264 GB Notification: Performance of prepare postOptimizeDAE: time 2.631e-05/1.622, allocations: 12 kB / 1.578 GB, free: 7.953 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.727e-05/1.622, allocations: 16 kB / 1.578 GB, free: 7.938 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002738/1.624, allocations: 0.8037 MB / 1.579 GB, free: 7.121 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003057/1.628, allocations: 0.6319 MB / 1.58 GB, free: 6.488 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01987/1.647, allocations: 13.65 MB / 1.593 GB, free: 8.176 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00463/1.652, allocations: 358.8 kB / 1.593 GB, free: 7.82 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007036/1.653, allocations: 179.9 kB / 1.593 GB, free: 7.645 MB / 1.279 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 77 * 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 initialization (332): * Single equations (assignments): 320 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(1,4), (1,4), (1,4), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0008116/1.654, allocations: 323.8 kB / 1.594 GB, free: 7.32 MB / 1.279 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001346/1.655, allocations: 0.4966 MB / 1.594 GB, free: 6.82 MB / 1.279 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00893/1.664, allocations: 3.314 MB / 1.598 GB, free: 3.48 MB / 1.279 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.039e-05/1.664, allocations: 20 kB / 1.598 GB, free: 3.461 MB / 1.279 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.464e-06/1.664, allocations: 3.984 kB / 1.598 GB, free: 3.457 MB / 1.279 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.646e-05/1.664, allocations: 3.984 kB / 1.598 GB, free: 3.453 MB / 1.279 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01538/1.679, allocations: 6.162 MB / 1.604 GB, free: 13.21 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.939e-06/1.679, allocations: 3.984 kB / 1.604 GB, free: 13.2 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001824/1.681, allocations: 303.6 kB / 1.604 GB, free: 12.91 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001026/1.682, allocations: 382.9 kB / 1.604 GB, free: 12.52 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001748/1.682, allocations: 55.83 kB / 1.604 GB, free: 12.46 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002207/1.685, allocations: 2.615 MB / 1.607 GB, free: 9.746 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.053e-06/1.685, allocations: 256 / 1.607 GB, free: 9.746 MB / 1.295 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007859/1.692, allocations: 3.079 MB / 1.61 GB, free: 6.625 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002339/1.695, allocations: 0.8134 MB / 1.611 GB, free: 5.789 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009021/1.696, allocations: 23.94 kB / 1.611 GB, free: 5.766 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002601/1.698, allocations: 159.7 kB / 1.611 GB, free: 5.609 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002072/1.698, allocations: 89.12 kB / 1.611 GB, free: 5.523 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002075/1.699, allocations: 91.92 kB / 1.611 GB, free: 5.434 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.006676/1.705, allocations: 3.624 MB / 1.615 GB, free: 1.812 MB / 1.295 GB Notification: Performance of sort global known variables: time 2.7e-07/1.705, allocations: 0 / 1.615 GB, free: 1.812 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.007179/1.712, allocations: 2.332 MB / 1.617 GB, free: 15.47 MB / 1.311 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * 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 (117): * Single equations (assignments): 104 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 9 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(1,5), (1,5), (1,5), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002131/1.715, allocations: 0.9139 MB / 1.618 GB, free: 14.56 MB / 1.311 GB Notification: Performance of simCode: created initialization part: time 0.01566/1.73, allocations: 7.354 MB / 1.625 GB, free: 7.156 MB / 1.311 GB Notification: Performance of simCode: created event and clocks part: time 8.156e-06/1.73, allocations: 4.188 kB / 1.625 GB, free: 7.152 MB / 1.311 GB Notification: Performance of simCode: created simulation system equations: time 0.003182/1.733, allocations: 1.101 MB / 1.626 GB, free: 6.051 MB / 1.311 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01043/1.744, allocations: 2.429 MB / 1.628 GB, free: 3.707 MB / 1.311 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01685/1.761, allocations: 8.523 MB / 1.637 GB, free: 11.13 MB / 1.326 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003375/1.764, allocations: 2.872 MB / 1.639 GB, free: 8.227 MB / 1.326 GB Notification: Performance of simCode: alias equations: time 0.006152/1.77, allocations: 1.342 MB / 1.641 GB, free: 6.879 MB / 1.326 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001266/1.772, allocations: 379.2 kB / 1.641 GB, free: 6.512 MB / 1.326 GB Notification: Performance of SimCode: time 1.232e-06/1.772, allocations: 0 / 1.641 GB, free: 6.512 MB / 1.326 GB Notification: Performance of Templates: time 0.1856/1.957, allocations: 106.6 MB / 1.745 GB, free: 13.09 MB / 1.436 GB " [Timeout remaining time 298] make -j1 -f Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.pipe ; mkfifo Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.pipe >> ../files/Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.sim & ./Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_Movers_Validation_PumpCurveConstruction.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.Movers.Validation.PumpCurveConstruction.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: 13.089250673539937]