Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Sensors.Examples.Density.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 0.001467/0.001467, allocations: 110.2 kB / 19.69 MB, free: 2.254 MB / 14.72 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 0.001683/0.001683, allocations: 217.8 kB / 23.01 MB, free: 4.566 MB / 14.72 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 1.322/1.322, allocations: 230.6 MB / 256.8 MB, free: 8.023 MB / 206.1 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 2.887/2.887, allocations: 0.49 GB / 0.7958 GB, free: 33.43 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-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: translateModel(Buildings.Fluid.Sensors.Examples.Density,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|masFloRat.ports.1..m_flow|senDenVol.d|senDenFlo.d",fileNamePrefix="Buildings_12_Buildings.Fluid.Sensors.Examples.Density") translateModel(Buildings.Fluid.Sensors.Examples.Density,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|masFloRat.ports.1..m_flow|senDenVol.d|senDenFlo.d",fileNamePrefix="Buildings_12_Buildings.Fluid.Sensors.Examples.Density") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002007/0.002007, allocations: 76.14 kB / 1.155 GB, free: 25.39 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3055/0.3075, allocations: 176.1 MB / 1.327 GB, free: 1.418 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sensors.Examples.Density): time 0.2027/0.5102, allocations: 189 MB / 1.512 GB, free: 3.727 MB / 1.201 GB Notification: Performance of NFInst.instExpressions: time 0.01049/0.5207, allocations: 7.051 MB / 1.519 GB, free: 12.66 MB / 1.217 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008693/0.5216, allocations: 43.62 kB / 1.519 GB, free: 12.61 MB / 1.217 GB Notification: Performance of NFTyping.typeComponents: time 0.001123/0.5227, allocations: 421.4 kB / 1.519 GB, free: 12.2 MB / 1.217 GB Notification: Performance of NFTyping.typeBindings: time 0.003829/0.5265, allocations: 1.525 MB / 1.521 GB, free: 10.67 MB / 1.217 GB Notification: Performance of NFTyping.typeClassSections: time 0.00302/0.5295, allocations: 1.212 MB / 1.522 GB, free: 9.457 MB / 1.217 GB Notification: Performance of NFFlatten.flatten: time 0.003225/0.5327, allocations: 2.011 MB / 1.524 GB, free: 7.438 MB / 1.217 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001226/0.534, allocations: 0.4937 MB / 1.524 GB, free: 6.934 MB / 1.217 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003508/0.5375, allocations: 1.082 MB / 1.525 GB, free: 5.848 MB / 1.217 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002073/0.5396, allocations: 0.6324 MB / 1.526 GB, free: 5.215 MB / 1.217 GB Notification: Performance of NFPackage.collectConstants: time 0.0001646/0.5397, allocations: 64 kB / 1.526 GB, free: 5.152 MB / 1.217 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004818/0.5445, allocations: 2.046 MB / 1.528 GB, free: 3.102 MB / 1.217 GB Notification: Performance of NFScalarize.scalarize: time 0.0004502/0.545, allocations: 299.1 kB / 1.528 GB, free: 2.809 MB / 1.217 GB Notification: Performance of NFVerifyModel.verify: time 0.0006898/0.5457, allocations: 438 kB / 1.529 GB, free: 2.379 MB / 1.217 GB Notification: Performance of NFConvertDAE.convert: time 0.003297/0.549, allocations: 1.772 MB / 1.53 GB, free: 0.6016 MB / 1.217 GB Notification: Performance of FrontEnd - DAE generated: time 3.978e-06/0.549, allocations: 0 / 1.53 GB, free: 0.6016 MB / 1.217 GB Notification: Performance of FrontEnd: time 1.653e-06/0.549, allocations: 0 / 1.53 GB, free: 0.6016 MB / 1.217 GB Notification: Performance of Transformations before backend: time 1.188e-05/0.549, allocations: 0 / 1.53 GB, free: 0.6016 MB / 1.217 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 131 * Number of variables: 131 Notification: Performance of Generate backend data structure: time 0.001911/0.5509, allocations: 1.119 MB / 1.531 GB, free: 15.45 MB / 1.232 GB Notification: Performance of prepare preOptimizeDAE: time 3.713e-05/0.5509, allocations: 12.03 kB / 1.531 GB, free: 15.43 MB / 1.232 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001794/0.5527, allocations: 271.2 kB / 1.532 GB, free: 15.17 MB / 1.232 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001128/0.5539, allocations: 0.5565 MB / 1.532 GB, free: 14.58 MB / 1.232 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.213e-05/0.5539, allocations: 45.31 kB / 1.532 GB, free: 14.54 MB / 1.232 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.415e-05/0.554, allocations: 59.95 kB / 1.532 GB, free: 14.48 MB / 1.232 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001074/0.5551, allocations: 0.6323 MB / 1.533 GB, free: 13.83 MB / 1.232 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.298e-05/0.5551, allocations: 7.938 kB / 1.533 GB, free: 13.82 MB / 1.232 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.184e-05/0.5551, allocations: 20 kB / 1.533 GB, free: 13.8 MB / 1.232 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.942e-05/0.5552, allocations: 17.31 kB / 1.533 GB, free: 13.79 MB / 1.232 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001016/0.5562, allocations: 0.5282 MB / 1.533 GB, free: 13.26 MB / 1.232 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 0.003319/0.5595, allocations: 2.481 MB / 1.536 GB, free: 10.55 MB / 1.232 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006743/0.5602, allocations: 354.4 kB / 1.536 GB, free: 10.2 MB / 1.232 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003833/0.5606, allocations: 222.4 kB / 1.536 GB, free: 9.984 MB / 1.232 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004589/0.561, allocations: 84.22 kB / 1.537 GB, free: 9.902 MB / 1.232 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.014e-05/0.5611, allocations: 30.89 kB / 1.537 GB, free: 9.863 MB / 1.232 GB Notification: Performance of pre-optimization done (n=39): time 2.044e-06/0.5611, allocations: 0 / 1.537 GB, free: 9.863 MB / 1.232 GB Notification: Performance of matching and sorting (n=39): time 0.001415/0.5625, allocations: 0.6267 MB / 1.537 GB, free: 9.23 MB / 1.232 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.582e-05/0.5625, allocations: 55.41 kB / 1.537 GB, free: 9.164 MB / 1.232 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000627/0.5631, allocations: 0.4951 MB / 1.538 GB, free: 8.656 MB / 1.232 GB Notification: Performance of collectPreVariables (initialization): time 5.167e-05/0.5632, allocations: 37.64 kB / 1.538 GB, free: 8.613 MB / 1.232 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002548/0.5635, allocations: 333 kB / 1.538 GB, free: 8.285 MB / 1.232 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001711/0.5636, allocations: 142.7 kB / 1.538 GB, free: 8.145 MB / 1.232 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001433/0.5638, allocations: 94.08 kB / 1.538 GB, free: 8.043 MB / 1.232 GB Notification: Performance of setup shared object (initialization): time 0.0001935/0.564, allocations: 374.7 kB / 1.539 GB, free: 7.668 MB / 1.232 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003287/0.5643, allocations: 170.5 kB / 1.539 GB, free: 7.5 MB / 1.232 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004301/0.5647, allocations: 288.4 kB / 1.539 GB, free: 7.18 MB / 1.232 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007796/0.5655, allocations: 460.9 kB / 1.54 GB, free: 6.699 MB / 1.232 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.705e-06/0.5655, allocations: 0 / 1.54 GB, free: 6.699 MB / 1.232 GB Notification: Performance of matching and sorting (n=53) (initialization): time 0.0009762/0.5665, allocations: 0.5242 MB / 1.54 GB, free: 6.168 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 1.711e-05/0.5665, allocations: 8 kB / 1.54 GB, free: 6.16 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.943e-06/0.5665, allocations: 0 / 1.54 GB, free: 6.16 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.71e-05/0.5665, allocations: 4 kB / 1.54 GB, free: 6.156 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006747/0.5672, allocations: 140 kB / 1.54 GB, free: 6.02 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000413/0.5676, allocations: 0.5938 MB / 1.541 GB, free: 5.402 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005039/0.5681, allocations: 47.72 kB / 1.541 GB, free: 5.355 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.841e-05/0.5682, allocations: 16 kB / 1.541 GB, free: 5.34 MB / 1.232 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005426/0.5687, allocations: 356.9 kB / 1.541 GB, free: 4.984 MB / 1.232 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004767/0.5692, allocations: 279.4 kB / 1.541 GB, free: 4.676 MB / 1.232 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000761/0.5699, allocations: 448.1 kB / 1.542 GB, free: 4.207 MB / 1.232 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.483e-06/0.5699, allocations: 0 / 1.542 GB, free: 4.207 MB / 1.232 GB Notification: Performance of matching and sorting (n=53) (initialization_lambda0): time 0.0008934/0.5708, allocations: 0.5246 MB / 1.542 GB, free: 3.676 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 1.271e-05/0.5708, allocations: 12.27 kB / 1.542 GB, free: 3.664 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.655e-06/0.5708, allocations: 4 kB / 1.542 GB, free: 3.66 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.025e-05/0.5709, allocations: 7.938 kB / 1.542 GB, free: 3.652 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000491/0.5713, allocations: 119.8 kB / 1.543 GB, free: 3.535 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.612e-06/0.5713, allocations: 4 kB / 1.543 GB, free: 3.531 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004443/0.5718, allocations: 43.77 kB / 1.543 GB, free: 3.488 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.216e-05/0.5718, allocations: 12 kB / 1.543 GB, free: 3.477 MB / 1.232 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * 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 (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000245/0.5721, allocations: 212.1 kB / 1.543 GB, free: 3.262 MB / 1.232 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001092/0.5722, allocations: 75.62 kB / 1.543 GB, free: 3.188 MB / 1.232 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009336/0.5731, allocations: 482.7 kB / 1.543 GB, free: 2.703 MB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.56e-06/0.5731, allocations: 4 kB / 1.543 GB, free: 2.699 MB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.358e-06/0.5731, allocations: 0 / 1.543 GB, free: 2.699 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0009201/0.574, allocations: 0.7198 MB / 1.544 GB, free: 1.895 MB / 1.232 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002024/0.5761, allocations: 1.249 MB / 1.545 GB, free: 0.5742 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.925e-06/0.5761, allocations: 0 / 1.545 GB, free: 0.5742 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00059/0.5767, allocations: 123.8 kB / 1.545 GB, free: 464 kB / 1.232 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.953e-06/0.5767, allocations: 4 kB / 1.545 GB, free: 460 kB / 1.232 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.119e-05/0.5767, allocations: 11.98 kB / 1.545 GB, free: 448 kB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003742/0.5771, allocations: 0.6017 MB / 1.546 GB, free: 15.81 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.797e-06/0.5771, allocations: 4 kB / 1.546 GB, free: 15.81 MB / 1.248 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001239/0.5783, allocations: 0.7941 MB / 1.547 GB, free: 14.97 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002508/0.5786, allocations: 103.6 kB / 1.547 GB, free: 14.87 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.022e-05/0.5786, allocations: 19.88 kB / 1.547 GB, free: 14.85 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003885/0.579, allocations: 17.8 kB / 1.547 GB, free: 14.84 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.581e-05/0.5791, allocations: 39.92 kB / 1.547 GB, free: 14.8 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.263e-05/0.5791, allocations: 16 kB / 1.547 GB, free: 14.78 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.0004606/0.5796, allocations: 358.8 kB / 1.547 GB, free: 14.43 MB / 1.248 GB Notification: Performance of sort global known variables: time 8e-08/0.5796, allocations: 0 / 1.547 GB, free: 14.43 MB / 1.248 GB Notification: Performance of remove unused functions: time 0.0009258/0.5805, allocations: 363.3 kB / 1.548 GB, free: 14.08 MB / 1.248 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 4 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m,senDenFlo.d) * 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 (39): * Single equations (assignments): 38 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0003351/0.5809, allocations: 187 kB / 1.548 GB, free: 13.89 MB / 1.248 GB Notification: Performance of simCode: created initialization part: time 0.001447/0.5823, allocations: 0.63 MB / 1.548 GB, free: 13.26 MB / 1.248 GB Notification: Performance of simCode: created event and clocks part: time 5.44e-06/0.5823, allocations: 4.312 kB / 1.548 GB, free: 13.25 MB / 1.248 GB Notification: Performance of simCode: created simulation system equations: time 0.0004056/0.5827, allocations: 211.8 kB / 1.549 GB, free: 13.05 MB / 1.248 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001504/0.5842, allocations: 352.5 kB / 1.549 GB, free: 12.71 MB / 1.248 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002432/0.5867, allocations: 1.468 MB / 1.55 GB, free: 11.18 MB / 1.248 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006123/0.5873, allocations: 0.9456 MB / 1.551 GB, free: 10.21 MB / 1.248 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001598/0.5874, allocations: 55.42 kB / 1.551 GB, free: 10.16 MB / 1.248 GB Notification: Performance of SimCode: time 6.11e-07/0.5874, allocations: 0 / 1.551 GB, free: 10.16 MB / 1.248 GB Notification: Performance of Templates: time 0.0188/0.6062, allocations: 13.1 MB / 1.564 GB, free: 13.14 MB / 1.264 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Fluid.Sensors.Examples.Density.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Sensors.Examples.Density.pipe ; mkfifo Buildings_12_Buildings.Fluid.Sensors.Examples.Density.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Sensors.Examples.Density.pipe >> ../files/Buildings_12_Buildings.Fluid.Sensors.Examples.Density.sim & ./Buildings_12_Buildings.Fluid.Sensors.Examples.Density -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Sensors.Examples.Density.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Fluid.Sensors.Examples.Density_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Sensors_Examples_Density.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Sensors.Examples.Density.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: 12.244964281009743]