Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.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 0.001355/0.001355, allocations: 115.5 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 0.001471/0.001471, allocations: 194.3 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 1.539/1.539, 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 2.948/2.948, allocations: 476.7 MB / 0.7645 GB, free: 10.08 MB / 0.6231 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.Examples.MoverContinuous,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pump_dp.m_flow|pump_m_flow.m_flow|pump_y.m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous") translateModel(Buildings.Fluid.Movers.Examples.MoverContinuous,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pump_dp.m_flow|pump_m_flow.m_flow|pump_y.m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002335/0.002335, allocations: 67.89 kB / 1.109 GB, free: 6.52 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.124/1.127, allocations: 168.7 MB / 1.274 GB, free: 4.535 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Examples.MoverContinuous): time 0.09002/1.217, allocations: 76.88 MB / 1.349 GB, free: 7.395 MB / 1.045 GB Notification: Performance of NFInst.instExpressions: time 0.04665/1.263, allocations: 26.3 MB / 1.375 GB, free: 13.04 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006515/1.27, allocations: 123.4 kB / 1.375 GB, free: 12.91 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.008766/1.279, allocations: 2.647 MB / 1.378 GB, free: 10.25 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.01372/1.292, allocations: 4.074 MB / 1.382 GB, free: 6.164 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.009696/1.302, allocations: 3.2 MB / 1.385 GB, free: 2.977 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.0468/1.349, allocations: 27.78 MB / 1.412 GB, free: 7.152 MB / 1.107 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007014/1.356, allocations: 2.17 MB / 1.414 GB, free: 4.922 MB / 1.107 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01078/1.367, allocations: 3.125 MB / 1.417 GB, free: 1.793 MB / 1.107 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005707/1.372, allocations: 2.538 MB / 1.419 GB, free: 15.24 MB / 1.123 GB Notification: Performance of NFPackage.collectConstants: time 0.001384/1.374, allocations: 348 kB / 1.42 GB, free: 14.9 MB / 1.123 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00772/1.381, allocations: 2.578 MB / 1.422 GB, free: 12.32 MB / 1.123 GB Notification: Performance of NFScalarize.scalarize: time 0.003428/1.385, allocations: 1.698 MB / 1.424 GB, free: 10.62 MB / 1.123 GB Notification: Performance of NFVerifyModel.verify: time 0.006324/1.391, allocations: 2.48 MB / 1.426 GB, free: 8.125 MB / 1.123 GB Notification: Performance of NFConvertDAE.convert: time 0.017/1.408, allocations: 7.523 MB / 1.434 GB, free: 0.5742 MB / 1.123 GB Notification: Performance of FrontEnd - DAE generated: time 8.185e-06/1.408, allocations: 0 / 1.434 GB, free: 0.5742 MB / 1.123 GB Notification: Performance of FrontEnd: time 2.073e-06/1.408, allocations: 0 / 1.434 GB, free: 0.5742 MB / 1.123 GB Notification: Performance of Transformations before backend: time 0.0002294/1.408, allocations: 0 / 1.434 GB, free: 0.5742 MB / 1.123 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 379 * Number of variables: 379 Notification: Performance of Generate backend data structure: time 0.01632/1.425, allocations: 5.685 MB / 1.439 GB, free: 10.78 MB / 1.139 GB Notification: Performance of prepare preOptimizeDAE: time 4.906e-05/1.425, allocations: 12.03 kB / 1.439 GB, free: 10.77 MB / 1.139 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009195/1.434, allocations: 1.53 MB / 1.441 GB, free: 9.234 MB / 1.139 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01686/1.451, allocations: 7.269 MB / 1.448 GB, free: 1.898 MB / 1.139 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000196/1.451, allocations: 139 kB / 1.448 GB, free: 1.762 MB / 1.139 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004991/1.451, allocations: 175.9 kB / 1.448 GB, free: 1.59 MB / 1.139 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005549/1.457, allocations: 2.53 MB / 1.451 GB, free: 14.98 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.524e-05/1.457, allocations: 4 kB / 1.451 GB, free: 14.97 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001874/1.457, allocations: 59.94 kB / 1.451 GB, free: 14.91 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.899e-05/1.457, allocations: 43.94 kB / 1.451 GB, free: 14.87 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00562/1.463, allocations: 2.013 MB / 1.453 GB, free: 12.85 MB / 1.154 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 0.0216/1.485, allocations: 10.73 MB / 1.463 GB, free: 1.637 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00534/1.49, allocations: 1.609 MB / 1.465 GB, free: 24 kB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00219/1.492, allocations: 0.7189 MB / 1.465 GB, free: 15.3 MB / 1.17 GB Notification: Performance of preOpt evalFunc (simulation): time 0.009078/1.501, allocations: 3.967 MB / 1.469 GB, free: 11.07 MB / 1.17 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.158e-05/1.501, allocations: 47.11 kB / 1.469 GB, free: 11.01 MB / 1.17 GB Notification: Performance of pre-optimization done (n=68): time 2.805e-06/1.501, allocations: 0 / 1.469 GB, free: 11.01 MB / 1.17 GB Notification: Performance of matching and sorting (n=68): time 0.008528/1.51, allocations: 2.538 MB / 1.472 GB, free: 8.465 MB / 1.17 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.783e-05/1.51, allocations: 63.97 kB / 1.472 GB, free: 8.391 MB / 1.17 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01315/1.523, allocations: 5.441 MB / 1.477 GB, free: 2.969 MB / 1.17 GB Notification: Performance of collectPreVariables (initialization): time 0.000565/1.523, allocations: 49.7 kB / 1.477 GB, free: 2.914 MB / 1.17 GB Notification: Performance of collectInitialEqns (initialization): time 0.002899/1.526, allocations: 1.93 MB / 1.479 GB, free: 0.9727 MB / 1.17 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007141/1.527, allocations: 269.8 kB / 1.479 GB, free: 0.707 MB / 1.17 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002186/1.529, allocations: 0.6774 MB / 1.48 GB, free: 20 kB / 1.17 GB Notification: Performance of setup shared object (initialization): time 0.0001653/1.529, allocations: 309.1 kB / 1.48 GB, free: 15.71 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004348/1.534, allocations: 2.027 MB / 1.482 GB, free: 13.68 MB / 1.186 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005471/1.539, allocations: 2.862 MB / 1.485 GB, free: 10.48 MB / 1.186 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008889/1.548, allocations: 4.53 MB / 1.49 GB, free: 5.664 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.612e-05/1.548, allocations: 4 kB / 1.49 GB, free: 5.66 MB / 1.186 GB Notification: Performance of matching and sorting (n=383) (initialization): time 0.01311/1.561, allocations: 5.306 MB / 1.495 GB, free: 356 kB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 6.636e-05/1.561, allocations: 16 kB / 1.495 GB, free: 340 kB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.623e-05/1.561, allocations: 20 kB / 1.495 GB, free: 320 kB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.496e-05/1.562, allocations: 32 kB / 1.495 GB, free: 288 kB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004024/1.566, allocations: 0.6323 MB / 1.495 GB, free: 15.65 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002763/1.568, allocations: 2.382 MB / 1.498 GB, free: 13.2 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005053/1.573, allocations: 409.8 kB / 1.498 GB, free: 12.79 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006423/1.574, allocations: 151.9 kB / 1.498 GB, free: 12.64 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007079/1.581, allocations: 2.801 MB / 1.501 GB, free: 9.836 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005006/1.586, allocations: 2.654 MB / 1.504 GB, free: 6.848 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.007854/1.594, allocations: 4.066 MB / 1.508 GB, free: 2.484 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.287e-05/1.594, allocations: 12 kB / 1.508 GB, free: 2.473 MB / 1.201 GB Notification: Performance of matching and sorting (n=383) (initialization_lambda0): time 0.01169/1.606, allocations: 4.853 MB / 1.512 GB, free: 13.61 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 3.91e-05/1.606, allocations: 12 kB / 1.512 GB, free: 13.6 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.333e-05/1.606, allocations: 24 kB / 1.512 GB, free: 13.57 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.736e-05/1.606, allocations: 35.94 kB / 1.512 GB, free: 13.54 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003156/1.609, allocations: 0.632 MB / 1.513 GB, free: 12.91 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.829e-05/1.609, allocations: 47.8 kB / 1.513 GB, free: 12.86 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004523/1.614, allocations: 319.5 kB / 1.513 GB, free: 12.55 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004953/1.614, allocations: 144 kB / 1.514 GB, free: 12.41 MB / 1.217 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 93 * 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 (266): * Single equations (assignments): 257 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 3 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0009142/1.615, allocations: 311.2 kB / 1.514 GB, free: 12.1 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001734/1.617, allocations: 433 kB / 1.514 GB, free: 11.67 MB / 1.217 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007561/1.624, allocations: 2.317 MB / 1.516 GB, free: 9.336 MB / 1.217 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.77e-05/1.624, allocations: 15.98 kB / 1.516 GB, free: 9.32 MB / 1.217 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.202e-05/1.624, allocations: 4 kB / 1.516 GB, free: 9.316 MB / 1.217 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.196e-05/1.624, allocations: 3.984 kB / 1.517 GB, free: 9.312 MB / 1.217 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01485/1.639, allocations: 4.859 MB / 1.521 GB, free: 4.383 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.588e-05/1.639, allocations: 8.125 kB / 1.521 GB, free: 4.375 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001832/1.641, allocations: 275.6 kB / 1.522 GB, free: 4.105 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004614/1.641, allocations: 104.8 kB / 1.522 GB, free: 4 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002051/1.642, allocations: 35.95 kB / 1.522 GB, free: 3.965 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002579/1.644, allocations: 2.158 MB / 1.524 GB, free: 1.734 MB / 1.217 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.51e-06/1.644, allocations: 0 / 1.524 GB, free: 1.734 MB / 1.217 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008092/1.652, allocations: 2.248 MB / 1.526 GB, free: 15.45 MB / 1.232 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003875/1.656, allocations: 0.732 MB / 1.527 GB, free: 14.7 MB / 1.232 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002383/1.659, allocations: 23.94 kB / 1.527 GB, free: 14.67 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003629/1.662, allocations: 151.8 kB / 1.527 GB, free: 14.52 MB / 1.232 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001869/1.662, allocations: 56.92 kB / 1.527 GB, free: 14.47 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002018/1.663, allocations: 51.95 kB / 1.527 GB, free: 14.42 MB / 1.232 GB Notification: Performance of sorting global known variables: time 0.009205/1.672, allocations: 3.708 MB / 1.531 GB, free: 10.73 MB / 1.232 GB Notification: Performance of sort global known variables: time 4.5e-07/1.672, allocations: 0 / 1.531 GB, free: 10.73 MB / 1.232 GB Notification: Performance of remove unused functions: time 0.008806/1.681, allocations: 1.743 MB / 1.532 GB, free: 8.984 MB / 1.232 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (86): * Single equations (assignments): 75 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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 {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002524/1.683, allocations: 0.7265 MB / 1.533 GB, free: 8.262 MB / 1.232 GB Notification: Performance of simCode: created initialization part: time 0.01351/1.697, allocations: 5.337 MB / 1.538 GB, free: 2.934 MB / 1.232 GB Notification: Performance of simCode: created event and clocks part: time 9.107e-06/1.697, allocations: 0 / 1.538 GB, free: 2.934 MB / 1.232 GB Notification: Performance of simCode: created simulation system equations: time 0.002921/1.7, allocations: 0.8297 MB / 1.539 GB, free: 2.102 MB / 1.232 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01219/1.712, allocations: 2.26 MB / 1.541 GB, free: 15.9 MB / 1.248 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0178/1.73, allocations: 7.275 MB / 1.548 GB, free: 8.574 MB / 1.248 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004037/1.734, allocations: 2.563 MB / 1.551 GB, free: 5.977 MB / 1.248 GB Notification: Performance of simCode: alias equations: time 0.005548/1.739, allocations: 1.155 MB / 1.552 GB, free: 4.816 MB / 1.248 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001385/1.741, allocations: 339.2 kB / 1.552 GB, free: 4.488 MB / 1.248 GB Notification: Performance of SimCode: time 1.383e-06/1.741, allocations: 0 / 1.552 GB, free: 4.488 MB / 1.248 GB Notification: Performance of Templates: time 1.133/2.873, allocations: 87.3 MB / 1.638 GB, free: 300.4 MB / 1.295 GB " [Timeout remaining time 297] make -j1 -f Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe ; mkfifo Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe >> ../files/Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.sim & ./Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous -abortSlowSimulation -alarm=400 -s cvode -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_Movers_Examples_MoverContinuous.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.Movers.Examples.MoverContinuous.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: 13.757618440780789]