Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.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 0.001389/0.001389, 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 0.001377/0.001377, allocations: 193.6 kB / 22.17 MB, free: 5.652 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 1.404/1.404, allocations: 225.6 MB / 250.9 MB, free: 13.27 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 2.741/2.741, allocations: 476.7 MB / 0.7645 GB, free: 10.11 MB / 0.6231 GB " [Timeout remaining time 177] 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.MixingVolumes.Validation.CoupledVolumesWater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|vol.p|vol1.p|vol.T|vol1.T",fileNamePrefix="Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater") translateModel(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|vol.p|vol1.p|vol.T|vol1.T",fileNamePrefix="Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.00201/0.00201, allocations: 67.89 kB / 1.109 GB, free: 6.539 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7176/0.7196, allocations: 168.7 MB / 1.274 GB, free: 4.391 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater): time 0.0301/0.7497, allocations: 26.73 MB / 1.3 GB, free: 9.566 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01097/0.7607, allocations: 7.172 MB / 1.307 GB, free: 2.379 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001101/0.7618, allocations: 39.75 kB / 1.307 GB, free: 2.34 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.001072/0.7628, allocations: 401.5 kB / 1.308 GB, free: 1.945 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.002827/0.7657, allocations: 1.162 MB / 1.309 GB, free: 0.7773 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002471/0.7681, allocations: 0.973 MB / 1.31 GB, free: 15.81 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.002793/0.7709, allocations: 2.101 MB / 1.312 GB, free: 13.7 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007435/0.7717, allocations: 0.4889 MB / 1.312 GB, free: 13.2 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001754/0.7734, allocations: 0.7568 MB / 1.313 GB, free: 12.45 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007791/0.7742, allocations: 0.5678 MB / 1.313 GB, free: 11.88 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 9.852e-05/0.7743, allocations: 56 kB / 1.314 GB, free: 11.82 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001623/0.7759, allocations: 0.8226 MB / 1.314 GB, free: 11 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.0001979/0.7761, allocations: 175.2 kB / 1.315 GB, free: 10.83 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.0003894/0.7765, allocations: 382.1 kB / 1.315 GB, free: 10.45 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.001706/0.7782, allocations: 1.213 MB / 1.316 GB, free: 9.238 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 4.038e-06/0.7782, allocations: 0 / 1.316 GB, free: 9.238 MB / 1.014 GB Notification: Performance of FrontEnd: time 2.805e-06/0.7782, allocations: 0 / 1.316 GB, free: 9.238 MB / 1.014 GB Notification: Performance of Transformations before backend: time 1.252e-05/0.7782, allocations: 0 / 1.316 GB, free: 9.238 MB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.001616/0.7799, allocations: 1.085 MB / 1.317 GB, free: 8.102 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 3.337e-05/0.7799, allocations: 8.031 kB / 1.317 GB, free: 8.094 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003075/0.7802, allocations: 92.41 kB / 1.317 GB, free: 8.004 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001292/0.7815, allocations: 0.7417 MB / 1.318 GB, free: 7.219 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.452e-05/0.7815, allocations: 40.94 kB / 1.318 GB, free: 7.176 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.699e-05/0.7816, allocations: 44 kB / 1.318 GB, free: 7.133 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008262/0.7824, allocations: 0.4962 MB / 1.319 GB, free: 6.605 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.992e-05/0.7825, allocations: 4 kB / 1.319 GB, free: 6.602 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.107e-05/0.7825, allocations: 20 kB / 1.319 GB, free: 6.582 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.715e-05/0.7825, allocations: 15.98 kB / 1.319 GB, free: 6.566 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005549/0.7831, allocations: 319.7 kB / 1.319 GB, free: 6.254 MB / 1.014 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 0.003071/0.7862, allocations: 2.764 MB / 1.322 GB, free: 3.25 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003273/0.7865, allocations: 170.5 kB / 1.322 GB, free: 3.074 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001529/0.7866, allocations: 96.75 kB / 1.322 GB, free: 2.977 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003442/0.787, allocations: 340.5 kB / 1.322 GB, free: 2.57 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.166e-05/0.787, allocations: 46.81 kB / 1.322 GB, free: 2.516 MB / 1.014 GB Notification: Performance of pre-optimization done (n=22): time 1.943e-06/0.787, allocations: 4 kB / 1.322 GB, free: 2.512 MB / 1.014 GB Notification: Performance of matching and sorting (n=22): time 0.0006107/0.7876, allocations: 303.6 kB / 1.322 GB, free: 2.211 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.16e-05/0.7877, allocations: 55.41 kB / 1.323 GB, free: 2.145 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006613/0.7883, allocations: 0.5303 MB / 1.323 GB, free: 1.602 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 3.685e-05/0.7884, allocations: 29.7 kB / 1.323 GB, free: 1.566 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002985/0.7887, allocations: 356 kB / 1.323 GB, free: 1.215 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 8.25e-05/0.7888, allocations: 79.33 kB / 1.323 GB, free: 1.137 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001222/0.7889, allocations: 85.59 kB / 1.324 GB, free: 1.047 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001705/0.789, allocations: 366.8 kB / 1.324 GB, free: 0.6797 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001595/0.7892, allocations: 88.81 kB / 1.324 GB, free: 0.5898 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002968/0.7895, allocations: 237.9 kB / 1.324 GB, free: 300 kB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004582/0.79, allocations: 342.1 kB / 1.325 GB, free: 15.9 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.223e-06/0.79, allocations: 4 kB / 1.325 GB, free: 15.9 MB / 1.029 GB Notification: Performance of matching and sorting (n=44) (initialization): time 0.0006169/0.7906, allocations: 390.3 kB / 1.325 GB, free: 15.51 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.611e-05/0.7906, allocations: 5.562 kB / 1.325 GB, free: 15.51 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.338e-06/0.7906, allocations: 8.547 kB / 1.325 GB, free: 15.5 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.921e-05/0.7906, allocations: 8 kB / 1.325 GB, free: 15.49 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002748/0.7909, allocations: 79.91 kB / 1.325 GB, free: 15.41 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.622e-05/0.7909, allocations: 11.94 kB / 1.325 GB, free: 15.4 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000344/0.7913, allocations: 43.66 kB / 1.325 GB, free: 15.36 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.566e-05/0.7913, allocations: 20 kB / 1.325 GB, free: 15.34 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003274/0.7916, allocations: 256 kB / 1.325 GB, free: 15.09 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002704/0.7919, allocations: 222 kB / 1.326 GB, free: 14.8 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004191/0.7923, allocations: 339.5 kB / 1.326 GB, free: 14.42 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.804e-06/0.7923, allocations: 0 / 1.326 GB, free: 14.42 MB / 1.029 GB Notification: Performance of matching and sorting (n=44) (initialization_lambda0): time 0.0005918/0.7929, allocations: 385.2 kB / 1.326 GB, free: 14.04 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 9.288e-06/0.7929, allocations: 8.094 kB / 1.326 GB, free: 14.03 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.552e-06/0.7929, allocations: 7.984 kB / 1.326 GB, free: 14.02 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.941e-06/0.7929, allocations: 8 kB / 1.326 GB, free: 14.01 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002493/0.7932, allocations: 75.91 kB / 1.326 GB, free: 13.94 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.143e-05/0.7932, allocations: 15.88 kB / 1.326 GB, free: 13.92 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003232/0.7935, allocations: 35.77 kB / 1.326 GB, free: 13.89 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.671e-05/0.7935, allocations: 16 kB / 1.326 GB, free: 13.87 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 19 * 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 (44): * Single equations (assignments): 44 * Array equations: 0 * 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 0.0001453/0.7937, allocations: 204.7 kB / 1.327 GB, free: 13.66 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001357/0.7938, allocations: 63.62 kB / 1.327 GB, free: 13.6 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005035/0.7943, allocations: 280.8 kB / 1.327 GB, free: 13.32 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.929e-06/0.7943, allocations: 7.938 kB / 1.327 GB, free: 13.32 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.823e-06/0.7943, allocations: 3.984 kB / 1.327 GB, free: 13.31 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0003913/0.7947, allocations: 373.4 kB / 1.327 GB, free: 12.9 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001557/0.7963, allocations: 1.065 MB / 1.328 GB, free: 11.73 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.18e-06/0.7963, allocations: 3.984 kB / 1.328 GB, free: 11.73 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002155/0.7965, allocations: 47.92 kB / 1.328 GB, free: 11.68 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.466e-06/0.7965, allocations: 4.281 kB / 1.328 GB, free: 11.68 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.392e-05/0.7965, allocations: 20.08 kB / 1.328 GB, free: 11.66 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.555e-06/0.7965, allocations: 0 / 1.328 GB, free: 11.66 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.54e-06/0.7966, allocations: 11.88 kB / 1.328 GB, free: 11.64 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006843/0.7972, allocations: 0.5297 MB / 1.329 GB, free: 11.07 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002495/0.7975, allocations: 176.6 kB / 1.329 GB, free: 10.88 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.511e-05/0.7976, allocations: 4 kB / 1.329 GB, free: 10.88 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003639/0.7979, allocations: 15.98 kB / 1.329 GB, free: 10.86 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.544e-05/0.798, allocations: 27.97 kB / 1.329 GB, free: 10.84 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.998e-05/0.798, allocations: 16 kB / 1.329 GB, free: 10.82 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.000494/0.7985, allocations: 411.1 kB / 1.33 GB, free: 10.42 MB / 1.029 GB Notification: Performance of sort global known variables: time 9e-08/0.7985, allocations: 0 / 1.33 GB, free: 10.42 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.001031/0.7995, allocations: 355.2 kB / 1.33 GB, free: 10.07 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 2 (vol.dynBal.U,vol1.dynBal.U) * 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 (25): * Single equations (assignments): 24 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * 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 0.000683/0.8002, allocations: 317.8 kB / 1.33 GB, free: 9.762 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0006556/0.8009, allocations: 380.9 kB / 1.331 GB, free: 9.391 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.866e-06/0.8009, allocations: 0 / 1.331 GB, free: 9.391 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0001557/0.801, allocations: 95.83 kB / 1.331 GB, free: 9.297 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001769/0.8028, allocations: 383.7 kB / 1.331 GB, free: 8.934 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001751/0.8045, allocations: 1.116 MB / 1.332 GB, free: 7.766 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005386/0.8051, allocations: 0.9059 MB / 1.333 GB, free: 6.832 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 0.0004769/0.8056, allocations: 150.6 kB / 1.333 GB, free: 6.684 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001198/0.8057, allocations: 55.42 kB / 1.333 GB, free: 6.629 MB / 1.029 GB Notification: Performance of SimCode: time 4.41e-07/0.8057, allocations: 0 / 1.333 GB, free: 6.629 MB / 1.029 GB Notification: Performance of Templates: time 0.02367/0.8293, allocations: 13.2 MB / 1.346 GB, free: 9.609 MB / 1.045 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe ; mkfifo Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe >> ../files/Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.sim & ./Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater -abortSlowSimulation -alarm=400 -s gbode -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesWater.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.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: 8.845514451619238]