Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.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 0.0009186/0.0009186, allocations: 80.8 kB / 20.75 MB, free: 3.742 MB / 18.57 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 0.0009331/0.0009331, allocations: 165 kB / 24.17 MB, free: 332 kB / 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 0.9205/0.9205, allocations: 177.2 MB / 204.6 MB, free: 5.48 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.949/1.949, allocations: 389.6 MB / 0.6354 GB, free: 12.29 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter") translateModel(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.182e-06/1.182e-06, allocations: 0 / 0.7752 GB, free: 5.375 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.528e-05/1.646e-05, allocations: 3.375 kB / 0.7752 GB, free: 5.371 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter): time 0.003232/0.003248, allocations: 2.868 MB / 0.778 GB, free: 2.527 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.002175/0.005423, allocations: 1.665 MB / 0.7796 GB, free: 0.8594 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001154/0.005538, allocations: 7.938 kB / 0.7796 GB, free: 0.8516 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.0003792/0.005917, allocations: 139.3 kB / 0.7798 GB, free: 0.7148 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 0.0003039/0.006221, allocations: 199.1 kB / 0.78 GB, free: 0.5234 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004701/0.006691, allocations: 278.9 kB / 0.7802 GB, free: 256 kB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.0003475/0.007039, allocations: 413.6 kB / 0.7806 GB, free: 15.84 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002025/0.007241, allocations: 174.7 kB / 0.7808 GB, free: 15.68 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002245/0.007466, allocations: 215.5 kB / 0.781 GB, free: 15.46 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002072/0.007673, allocations: 171.5 kB / 0.7811 GB, free: 15.3 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 2.704e-05/0.0077, allocations: 24 kB / 0.7812 GB, free: 15.27 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000371/0.008071, allocations: 323.3 kB / 0.7815 GB, free: 14.96 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 8.14e-05/0.008153, allocations: 112.5 kB / 0.7816 GB, free: 14.85 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 7.285e-05/0.008225, allocations: 103.7 kB / 0.7817 GB, free: 14.75 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.0004031/0.008628, allocations: 415.8 kB / 0.7821 GB, free: 14.34 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 1.483e-06/0.00863, allocations: 0 / 0.7821 GB, free: 14.34 MB / 0.7448 GB Notification: Performance of FrontEnd: time 5.61e-07/0.008631, allocations: 0 / 0.7821 GB, free: 14.34 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 3.977e-06/0.008634, allocations: 0 / 0.7821 GB, free: 14.34 MB / 0.7448 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 63 * Number of variables: 63 Notification: Performance of Generate backend data structure: time 0.0004732/0.009108, allocations: 0.5048 MB / 0.7826 GB, free: 13.81 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 2.772e-05/0.009135, allocations: 9.344 kB / 0.7826 GB, free: 13.8 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000521/0.009656, allocations: 157.5 kB / 0.7827 GB, free: 13.65 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002078/0.009864, allocations: 207.9 kB / 0.7829 GB, free: 13.43 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.491e-05/0.009879, allocations: 21.55 kB / 0.783 GB, free: 13.41 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.613e-05/0.009905, allocations: 24.31 kB / 0.783 GB, free: 13.38 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002875/0.01019, allocations: 346.5 kB / 0.7833 GB, free: 13 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.079e-05/0.0102, allocations: 9.906 kB / 0.7833 GB, free: 12.99 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.885e-05/0.01022, allocations: 8.359 kB / 0.7833 GB, free: 12.98 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.628e-05/0.01026, allocations: 36.42 kB / 0.7834 GB, free: 12.95 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001336/0.01039, allocations: 100 kB / 0.7835 GB, free: 12.85 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001036/0.01143, allocations: 1.234 MB / 0.7847 GB, free: 11.56 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003406/0.01177, allocations: 245.8 kB / 0.7849 GB, free: 11.3 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001127/0.01188, allocations: 77.61 kB / 0.785 GB, free: 11.22 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 4.177e-05/0.01192, allocations: 17.39 kB / 0.785 GB, free: 11.21 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.883e-05/0.01194, allocations: 34.56 kB / 0.785 GB, free: 11.16 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=22): time 1.563e-06/0.01194, allocations: 4 kB / 0.785 GB, free: 11.16 MB / 0.7448 GB Notification: Performance of matching and sorting (n=22): time 0.0006582/0.0126, allocations: 335.1 kB / 0.7853 GB, free: 10.82 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.804e-05/0.01263, allocations: 81.11 kB / 0.7854 GB, free: 10.73 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000119/0.01275, allocations: 225.8 kB / 0.7856 GB, free: 10.5 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 1.783e-05/0.01277, allocations: 29.7 kB / 0.7857 GB, free: 10.46 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 6.619e-05/0.01283, allocations: 173.1 kB / 0.7858 GB, free: 10.29 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 3.782e-05/0.01287, allocations: 83.31 kB / 0.7859 GB, free: 10.21 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.682e-05/0.01294, allocations: 62.31 kB / 0.786 GB, free: 10.14 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 7.338e-05/0.01301, allocations: 330.8 kB / 0.7863 GB, free: 9.809 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 4.874e-05/0.01306, allocations: 41.72 kB / 0.7863 GB, free: 9.766 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001024/0.01316, allocations: 170.8 kB / 0.7865 GB, free: 9.551 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001582/0.01332, allocations: 193.1 kB / 0.7867 GB, free: 9.324 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.924e-06/0.01332, allocations: 0 / 0.7867 GB, free: 9.324 MB / 0.7448 GB Notification: Performance of matching and sorting (n=37) (initialization): time 0.000283/0.0136, allocations: 238.9 kB / 0.7869 GB, free: 9.082 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.115e-05/0.01362, allocations: 4 kB / 0.7869 GB, free: 9.078 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.698e-06/0.01362, allocations: 9.531 kB / 0.7869 GB, free: 9.07 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001973/0.01382, allocations: 78.41 kB / 0.787 GB, free: 8.988 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001539/0.01397, allocations: 63.91 kB / 0.787 GB, free: 8.926 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007823/0.01475, allocations: 1.733 MB / 0.7887 GB, free: 7.07 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000109/0.01486, allocations: 35.77 kB / 0.7888 GB, free: 7.035 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.44e-05/0.01488, allocations: 8 kB / 0.7888 GB, free: 7.027 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 8.664e-05/0.01496, allocations: 120 kB / 0.7889 GB, free: 6.906 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 9.818e-05/0.01506, allocations: 170.8 kB / 0.7891 GB, free: 6.688 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001498/0.01521, allocations: 192.1 kB / 0.7892 GB, free: 6.461 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.092e-06/0.01521, allocations: 0 / 0.7892 GB, free: 6.461 MB / 0.7448 GB Notification: Performance of matching and sorting (n=37) (initialization_lambda0): time 0.0002728/0.01549, allocations: 234.5 kB / 0.7895 GB, free: 6.223 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 6.803e-06/0.01549, allocations: 4 kB / 0.7895 GB, free: 6.219 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.787e-06/0.0155, allocations: 6.812 kB / 0.7895 GB, free: 6.215 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001511/0.01565, allocations: 67.77 kB / 0.7895 GB, free: 6.141 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001483/0.0158, allocations: 73.36 kB / 0.7896 GB, free: 6.07 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00071/0.01651, allocations: 1.746 MB / 0.7913 GB, free: 4.199 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001052/0.01661, allocations: 24.39 kB / 0.7913 GB, free: 4.176 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.238e-05/0.01662, allocations: 8.812 kB / 0.7913 GB, free: 4.168 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * 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 (35): * Single equations (assignments): 33 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,1)} Notification: Performance of prepare postOptimizeDAE: time 8.929e-05/0.01671, allocations: 201.2 kB / 0.7915 GB, free: 3.965 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.685e-05/0.01676, allocations: 27.91 kB / 0.7916 GB, free: 3.938 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002428/0.017, allocations: 192 kB / 0.7917 GB, free: 3.738 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.623e-06/0.017, allocations: 0.9375 kB / 0.7917 GB, free: 3.738 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.116e-06/0.01701, allocations: 4 kB / 0.7918 GB, free: 3.734 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.557e-06/0.01701, allocations: 0.625 kB / 0.7918 GB, free: 3.734 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005809/0.01759, allocations: 0.6134 MB / 0.7924 GB, free: 3.059 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.914e-06/0.01759, allocations: 0 / 0.7924 GB, free: 3.059 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 8.831e-05/0.01768, allocations: 44.91 kB / 0.7924 GB, free: 3.016 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001436/0.01783, allocations: 61.3 kB / 0.7925 GB, free: 2.949 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.208e-05/0.01784, allocations: 8 kB / 0.7925 GB, free: 2.941 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000704/0.01854, allocations: 1.738 MB / 0.7942 GB, free: 1.074 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.242e-06/0.01854, allocations: 0 / 0.7942 GB, free: 1.074 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002848/0.01883, allocations: 479.5 kB / 0.7946 GB, free: 0.5586 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 5.201e-05/0.01888, allocations: 40.77 kB / 0.7947 GB, free: 0.5195 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.857e-05/0.0189, allocations: 8 kB / 0.7947 GB, free: 0.5117 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001088/0.01901, allocations: 20.77 kB / 0.7947 GB, free: 0.4922 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.029e-05/0.01905, allocations: 23.91 kB / 0.7947 GB, free: 480 kB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.157e-06/0.01906, allocations: 4 kB / 0.7947 GB, free: 476 kB / 0.7448 GB Notification: Performance of sorting global known variables: time 5.262e-05/0.01911, allocations: 72.03 kB / 0.7948 GB, free: 404 kB / 0.7448 GB Notification: Performance of sort global known variables: time 6.1e-08/0.01911, allocations: 0 / 0.7948 GB, free: 404 kB / 0.7448 GB Notification: Performance of remove unused functions: time 0.0003516/0.01946, allocations: 151.7 kB / 0.7949 GB, free: 252 kB / 0.7448 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (21): * Single equations (assignments): 19 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0001244/0.01959, allocations: 105.9 kB / 0.795 GB, free: 136 kB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.0004792/0.02006, allocations: 499.1 kB / 0.7955 GB, free: 15.62 MB / 0.7605 GB Notification: Performance of simCode: created event and clocks part: time 6.582e-06/0.02007, allocations: 5.031 kB / 0.7955 GB, free: 15.61 MB / 0.7605 GB Notification: Performance of simCode: created simulation system equations: time 0.00013/0.0202, allocations: 194.8 kB / 0.7957 GB, free: 15.41 MB / 0.7605 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002757/0.02048, allocations: 56 kB / 0.7957 GB, free: 15.36 MB / 0.7605 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007588/0.02124, allocations: 0.562 MB / 0.7963 GB, free: 14.75 MB / 0.7605 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 6.783e-05/0.0213, allocations: 104.6 kB / 0.7964 GB, free: 14.62 MB / 0.7605 GB Notification: Performance of simCode: alias equations: time 0.0001119/0.02142, allocations: 40.72 kB / 0.7964 GB, free: 14.59 MB / 0.7605 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001126/0.02153, allocations: 96.28 kB / 0.7965 GB, free: 14.5 MB / 0.7605 GB Notification: Performance of SimCode: time 9.92e-07/0.02153, allocations: 0 / 0.7965 GB, free: 14.5 MB / 0.7605 GB Notification: Performance of Templates: time 0.006037/0.02757, allocations: 4.532 MB / 0.8009 GB, free: 10.11 MB / 0.7605 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe ; mkfifo Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe ; head -c 1048576 < Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe >> ../files/Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.sim & ./Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > Buildings_13_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.957906506955624]