Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate.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 0.002319/0.002319, allocations: 89.48 kB / 19.44 MB, free: 336 kB / 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 0.002846/0.002846, allocations: 169.2 kB / 22.76 MB, free: 1.664 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 1.566/1.566, allocations: 177.1 MB / 203.1 MB, free: 5.594 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:108:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:116:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 1.335/1.335, allocations: 154.6 MB / 414.2 MB, free: 0.6367 MB / 378.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 178] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate") translateModel(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.134e-06/2.134e-06, allocations: 0 / 0.5197 GB, free: 2.375 MB / 490.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.848e-05/3.062e-05, allocations: 4 kB / 0.5197 GB, free: 2.371 MB / 490.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate): time 0.5093/0.5094, allocations: 187.6 MB / 0.7028 GB, free: 47.27 MB / 0.6355 GB Notification: Performance of NFInst.instExpressions: time 0.008515/0.5179, allocations: 5.837 MB / 0.7085 GB, free: 47.18 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001455/0.5193, allocations: 54.56 kB / 0.7086 GB, free: 47.18 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.001374/0.5207, allocations: 0.5512 MB / 0.7091 GB, free: 47.17 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.003998/0.5247, allocations: 1.732 MB / 0.7108 GB, free: 47.09 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.003013/0.5277, allocations: 1.266 MB / 0.712 GB, free: 47.06 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.003214/0.5309, allocations: 2.632 MB / 0.7146 GB, free: 46.74 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001115/0.532, allocations: 0.7915 MB / 0.7154 GB, free: 46.65 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002661/0.5347, allocations: 1.595 MB / 0.7169 GB, free: 46.5 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001902/0.5366, allocations: 0.8208 MB / 0.7177 GB, free: 46.42 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0002659/0.5369, allocations: 108.3 kB / 0.7178 GB, free: 46.42 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002693/0.5396, allocations: 1.298 MB / 0.7191 GB, free: 46.3 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0004961/0.5401, allocations: 0.5408 MB / 0.7196 GB, free: 46.24 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.000658/0.5407, allocations: 472.2 kB / 0.7201 GB, free: 46.19 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.003865/0.5446, allocations: 2.252 MB / 0.7223 GB, free: 46 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 4.228e-06/0.5446, allocations: 0.875 kB / 0.7223 GB, free: 46 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.693e-06/0.5446, allocations: 0 / 0.7223 GB, free: 46 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 2.594e-05/0.5446, allocations: 1.969 kB / 0.7223 GB, free: 46 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 216 * Number of variables: 216 Notification: Performance of Generate backend data structure: time 0.002683/0.5473, allocations: 1.66 MB / 0.7239 GB, free: 45.15 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 3.631e-05/0.5473, allocations: 10.22 kB / 0.7239 GB, free: 45.15 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002867/0.5502, allocations: 0.5151 MB / 0.7244 GB, free: 45.05 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001718/0.5519, allocations: 0.8009 MB / 0.7252 GB, free: 44.78 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.477e-05/0.552, allocations: 68.25 kB / 0.7253 GB, free: 44.78 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001579/0.5521, allocations: 91 kB / 0.7254 GB, free: 44.78 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001938/0.5541, allocations: 1.395 MB / 0.7267 GB, free: 44.12 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.018e-05/0.5541, allocations: 8.281 kB / 0.7267 GB, free: 44.12 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001014/0.5542, allocations: 39.94 kB / 0.7268 GB, free: 44.12 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.558e-05/0.5543, allocations: 32.97 kB / 0.7268 GB, free: 44.12 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001666/0.5559, allocations: 0.6892 MB / 0.7275 GB, free: 44.11 MB / 0.6355 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 0.006477/0.5624, allocations: 3.516 MB / 0.7309 GB, free: 42.89 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001451/0.5638, allocations: 0.5111 MB / 0.7314 GB, free: 42.86 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006685/0.5645, allocations: 262.3 kB / 0.7317 GB, free: 42.84 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001729/0.5647, allocations: 29.03 kB / 0.7317 GB, free: 42.84 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.607e-05/0.5647, allocations: 41.8 kB / 0.7317 GB, free: 42.8 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=43): time 2.134e-06/0.5647, allocations: 0.875 kB / 0.7317 GB, free: 42.8 MB / 0.6355 GB Notification: Performance of matching and sorting (n=45): time 0.004687/0.5694, allocations: 1.548 MB / 0.7332 GB, free: 42.42 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.55e-05/0.5694, allocations: 56.52 kB / 0.7333 GB, free: 42.36 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008736/0.5703, allocations: 0.8015 MB / 0.7341 GB, free: 42.15 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 5.901e-05/0.5704, allocations: 36.64 kB / 0.7341 GB, free: 42.12 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003137/0.5707, allocations: 0.5877 MB / 0.7347 GB, free: 41.82 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001436/0.5708, allocations: 183.1 kB / 0.7349 GB, free: 41.71 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002285/0.571, allocations: 144.8 kB / 0.735 GB, free: 41.67 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0001622/0.5712, allocations: 0.6145 MB / 0.7356 GB, free: 41.17 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006579/0.5719, allocations: 221.5 kB / 0.7358 GB, free: 41.17 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007689/0.5726, allocations: 485 kB / 0.7363 GB, free: 40.91 MB / 0.6355 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: volDyn.dynBal.medium.p = volDyn.dynBal.p_start (bou.p = volDyn.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.00468/0.5773, allocations: 1.627 MB / 0.7379 GB, free: 40.67 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.5e-06/0.5773, allocations: 0 / 0.7379 GB, free: 40.67 MB / 0.6355 GB Notification: Performance of matching and sorting (n=73) (initialization): time 0.001769/0.5791, allocations: 0.7148 MB / 0.7386 GB, free: 40.59 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.916e-05/0.5791, allocations: 6.609 kB / 0.7386 GB, free: 40.59 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.388e-06/0.5791, allocations: 6.812 kB / 0.7386 GB, free: 40.59 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.357e-05/0.5791, allocations: 6.156 kB / 0.7386 GB, free: 40.59 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007899/0.5799, allocations: 166 kB / 0.7387 GB, free: 40.59 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.187e-05/0.5799, allocations: 10.66 kB / 0.7387 GB, free: 40.59 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009357/0.5809, allocations: 45.91 kB / 0.7388 GB, free: 40.59 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.4e-05/0.5809, allocations: 29.95 kB / 0.7388 GB, free: 40.59 MB / 0.6355 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: volDyn.dynBal.medium.p = volDyn.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * 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 (73): * Single equations (assignments): 73 * 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 0.0004288/0.5814, allocations: 260.4 kB / 0.7391 GB, free: 40.43 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001736/0.5815, allocations: 96.34 kB / 0.7392 GB, free: 40.39 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002019/0.5817, allocations: 83.56 kB / 0.7392 GB, free: 40.38 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.46e-06/0.5818, allocations: 7.219 kB / 0.7392 GB, free: 40.38 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.648e-06/0.5818, allocations: 0 / 0.7392 GB, free: 40.38 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00135/0.5831, allocations: 0.7886 MB / 0.74 GB, free: 39.93 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004127/0.5872, allocations: 1.821 MB / 0.7418 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.43e-06/0.5872, allocations: 4.5 kB / 0.7418 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007186/0.588, allocations: 138.3 kB / 0.7419 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.953e-06/0.588, allocations: 3.531 kB / 0.7419 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.904e-05/0.588, allocations: 20.08 kB / 0.742 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.851e-06/0.588, allocations: 4.344 kB / 0.742 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.777e-06/0.588, allocations: 9.312 kB / 0.742 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002473/0.5905, allocations: 1.111 MB / 0.7431 GB, free: 39.06 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007018/0.5912, allocations: 155 kB / 0.7432 GB, free: 39.02 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001328/0.5913, allocations: 20.5 kB / 0.7432 GB, free: 39.01 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007646/0.5921, allocations: 49.69 kB / 0.7433 GB, free: 39.01 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001077/0.5922, allocations: 39.67 kB / 0.7433 GB, free: 39.01 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.812e-05/0.5923, allocations: 31.41 kB / 0.7433 GB, free: 39.01 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0005552/0.5929, allocations: 498.4 kB / 0.7438 GB, free: 38.87 MB / 0.6355 GB Notification: Performance of sort global known variables: time 7e-08/0.5929, allocations: 0 / 0.7438 GB, free: 38.87 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0009784/0.5938, allocations: 265.6 kB / 0.7441 GB, free: 38.87 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 3 (volDyn.dynBal.medium.Xi[1],volDyn.dynBal.U,volDyn.dynBal.mC[1]) * 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 (45): * Single equations (assignments): 45 * 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 Backend phase and start with SimCode phase: time 0.0003453/0.5942, allocations: 199.3 kB / 0.7443 GB, free: 38.77 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.001487/0.5957, allocations: 0.5882 MB / 0.7448 GB, free: 38.74 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 4.088e-06/0.5957, allocations: 0 / 0.7448 GB, free: 38.74 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0006478/0.5963, allocations: 287.6 kB / 0.7451 GB, free: 38.73 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002112/0.5984, allocations: 472.5 kB / 0.7456 GB, free: 38.68 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004037/0.6025, allocations: 1.95 MB / 0.7475 GB, free: 37.74 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004254/0.6029, allocations: 0.49 MB / 0.7479 GB, free: 37.62 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0008101/0.6037, allocations: 199.6 kB / 0.7481 GB, free: 37.56 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002619/0.604, allocations: 72.56 kB / 0.7482 GB, free: 37.55 MB / 0.6355 GB Notification: Performance of SimCode: time 1.212e-06/0.604, allocations: 0 / 0.7482 GB, free: 37.55 MB / 0.6355 GB Notification: Performance of Templates: time 0.02728/0.6312, allocations: 18.41 MB / 0.7662 GB, free: 35.69 MB / 0.6355 GB " [Timeout remaining time 659] make -j1 -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate.makefile [Timeout 660] (rm -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate.pipe ; mkfifo IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate.pipe >> ../files/IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate.sim & ./IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate -abortSlowSimulation -alarm=240 -lv LOG_STATS > IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlowPrescribedHeatFlowRate.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 7.287342195981182]