Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.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 0.001293/0.001293, allocations: 80.92 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 0.001498/0.001498, allocations: 161 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 0.9892/0.9892, allocations: 177.2 MB / 204.6 MB, free: 5.477 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 1.895/1.895, allocations: 389.6 MB / 0.6354 GB, free: 12.3 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.Examples.GeneratorLoadGrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid") translateModel(Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.483e-06/1.483e-06, allocations: 0 / 0.7752 GB, free: 5.402 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.599e-05/1.747e-05, allocations: 2.312 kB / 0.7752 GB, free: 5.398 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid): time 0.002742/0.002759, allocations: 2.44 MB / 0.7776 GB, free: 2.977 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.001689/0.004448, allocations: 1.346 MB / 0.7789 GB, free: 1.633 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 9.256e-05/0.00454, allocations: 7.938 kB / 0.7789 GB, free: 1.625 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.000382/0.004922, allocations: 88.16 kB / 0.779 GB, free: 1.539 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 0.0002346/0.005157, allocations: 164.5 kB / 0.7791 GB, free: 1.379 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.000235/0.005392, allocations: 189 kB / 0.7793 GB, free: 1.195 MB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.0002689/0.005661, allocations: 339.4 kB / 0.7796 GB, free: 0.8633 MB / 0.7292 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002166/0.005878, allocations: 159.7 kB / 0.7798 GB, free: 0.7031 MB / 0.7292 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002122/0.00609, allocations: 188.1 kB / 0.78 GB, free: 0.5195 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001938/0.006284, allocations: 137.2 kB / 0.7801 GB, free: 396 kB / 0.7292 GB Notification: Performance of NFPackage.collectConstants: time 2.773e-05/0.006311, allocations: 20 kB / 0.7801 GB, free: 376 kB / 0.7292 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002047/0.006516, allocations: 183.6 kB / 0.7803 GB, free: 192 kB / 0.7292 GB Notification: Performance of NFScalarize.scalarize: time 0.0001348/0.006651, allocations: 95.78 kB / 0.7804 GB, free: 96 kB / 0.7292 GB Notification: Performance of NFVerifyModel.verify: time 6.397e-05/0.006715, allocations: 84.39 kB / 0.7805 GB, free: 12 kB / 0.7292 GB Notification: Performance of NFConvertDAE.convert: time 0.0003112/0.007026, allocations: 307.2 kB / 0.7807 GB, free: 15.71 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 1.934e-06/0.007028, allocations: 4.844 kB / 0.7807 GB, free: 15.7 MB / 0.7448 GB Notification: Performance of FrontEnd: time 7.22e-07/0.007029, allocations: 0 / 0.7807 GB, free: 15.7 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 4.489e-06/0.007033, allocations: 1.219 kB / 0.7808 GB, free: 15.7 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: 53 * Number of variables: 53 Notification: Performance of Generate backend data structure: time 0.0004966/0.00753, allocations: 447.8 kB / 0.7812 GB, free: 15.24 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 3.759e-05/0.007567, allocations: 9.344 kB / 0.7812 GB, free: 15.23 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000556/0.008123, allocations: 138.1 kB / 0.7813 GB, free: 15.1 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002177/0.008341, allocations: 185.7 kB / 0.7815 GB, free: 14.9 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.438e-05/0.008355, allocations: 16.73 kB / 0.7815 GB, free: 14.88 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.133e-05/0.008387, allocations: 21.44 kB / 0.7815 GB, free: 14.86 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003165/0.008703, allocations: 289 kB / 0.7818 GB, free: 14.54 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.253e-05/0.008716, allocations: 4.891 kB / 0.7818 GB, free: 14.54 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.196e-05/0.008738, allocations: 12.38 kB / 0.7818 GB, free: 14.52 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.549e-05/0.008773, allocations: 29.78 kB / 0.7819 GB, free: 14.49 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001391/0.008912, allocations: 101.7 kB / 0.7819 GB, free: 14.39 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009206/0.009833, allocations: 1.137 MB / 0.7831 GB, free: 13.21 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002801/0.01011, allocations: 210.2 kB / 0.7833 GB, free: 12.99 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 5.921e-05/0.01017, allocations: 37.72 kB / 0.7833 GB, free: 12.95 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 7.68e-05/0.01025, allocations: 17.2 kB / 0.7833 GB, free: 12.93 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.588e-05/0.01027, allocations: 30.56 kB / 0.7833 GB, free: 12.89 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=20): time 1.853e-06/0.01028, allocations: 0.6562 kB / 0.7833 GB, free: 12.89 MB / 0.7448 GB Notification: Performance of matching and sorting (n=21): time 0.0005127/0.01079, allocations: 206 kB / 0.7835 GB, free: 12.68 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.444e-05/0.01082, allocations: 81.86 kB / 0.7836 GB, free: 12.59 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000131/0.01095, allocations: 204.2 kB / 0.7838 GB, free: 12.38 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 1.688e-05/0.01097, allocations: 30.48 kB / 0.7838 GB, free: 12.34 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 6.417e-05/0.01104, allocations: 160.1 kB / 0.784 GB, free: 12.18 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 4.421e-05/0.01108, allocations: 80.28 kB / 0.7841 GB, free: 12.1 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.026e-05/0.01115, allocations: 53.95 kB / 0.7841 GB, free: 12.04 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 7.866e-05/0.01123, allocations: 326.8 kB / 0.7844 GB, free: 11.71 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 5.728e-05/0.01129, allocations: 38.5 kB / 0.7845 GB, free: 11.68 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 8.918e-05/0.01138, allocations: 121.1 kB / 0.7846 GB, free: 11.52 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001838/0.01156, allocations: 178.7 kB / 0.7848 GB, free: 11.32 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.344e-06/0.01156, allocations: 0 / 0.7848 GB, free: 11.32 MB / 0.7448 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.0002655/0.01183, allocations: 219.9 kB / 0.785 GB, free: 11.09 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.367e-05/0.01184, allocations: 5.5 kB / 0.785 GB, free: 11.09 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.632e-06/0.01185, allocations: 7.938 kB / 0.785 GB, free: 11.08 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001635/0.01201, allocations: 44.7 kB / 0.785 GB, free: 11.04 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001687/0.01218, allocations: 56.94 kB / 0.7851 GB, free: 10.98 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007748/0.01295, allocations: 1.296 MB / 0.7863 GB, free: 9.586 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001131/0.01307, allocations: 20.92 kB / 0.7864 GB, free: 9.566 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.793e-05/0.01309, allocations: 8 kB / 0.7864 GB, free: 9.559 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 9.345e-05/0.01318, allocations: 124.8 kB / 0.7865 GB, free: 9.434 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 8.849e-05/0.01327, allocations: 119.6 kB / 0.7866 GB, free: 9.281 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001629/0.01343, allocations: 180.1 kB / 0.7868 GB, free: 9.074 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.132e-06/0.01343, allocations: 0 / 0.7868 GB, free: 9.074 MB / 0.7448 GB Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.000241/0.01367, allocations: 206.8 kB / 0.787 GB, free: 8.867 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 7.424e-06/0.01368, allocations: 6.656 kB / 0.787 GB, free: 8.863 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.34e-06/0.01369, allocations: 7.984 kB / 0.787 GB, free: 8.855 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000105/0.01379, allocations: 46.27 kB / 0.787 GB, free: 8.809 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001594/0.01395, allocations: 59.89 kB / 0.7871 GB, free: 8.75 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007636/0.01471, allocations: 1.294 MB / 0.7883 GB, free: 7.359 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001457/0.01486, allocations: 23.83 kB / 0.7884 GB, free: 7.336 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.557e-05/0.01487, allocations: 11.98 kB / 0.7884 GB, free: 7.324 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * 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 (31): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 8.771e-05/0.01496, allocations: 197.2 kB / 0.7886 GB, free: 7.125 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.469e-05/0.01501, allocations: 19.98 kB / 0.7886 GB, free: 7.105 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002097/0.01522, allocations: 166.5 kB / 0.7887 GB, free: 6.93 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.286e-06/0.01522, allocations: 4 kB / 0.7888 GB, free: 6.926 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.254e-06/0.01522, allocations: 0 / 0.7888 GB, free: 6.926 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.528e-06/0.01523, allocations: 3.984 kB / 0.7888 GB, free: 6.922 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005548/0.01578, allocations: 0.6113 MB / 0.7894 GB, free: 6.258 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.224e-06/0.01578, allocations: 0.6562 kB / 0.7894 GB, free: 6.258 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000107/0.01589, allocations: 43.92 kB / 0.7894 GB, free: 6.215 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.015e-05/0.01598, allocations: 42.38 kB / 0.7894 GB, free: 6.172 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.378e-05/0.01599, allocations: 7.984 kB / 0.7894 GB, free: 6.164 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006242/0.01662, allocations: 1.227 MB / 0.7906 GB, free: 4.836 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.465e-06/0.01662, allocations: 5.969 kB / 0.7906 GB, free: 4.832 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002587/0.01688, allocations: 460.1 kB / 0.7911 GB, free: 4.336 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 4.614e-05/0.01693, allocations: 35.78 kB / 0.7911 GB, free: 4.301 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.943e-05/0.01695, allocations: 12.61 kB / 0.7911 GB, free: 4.289 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001082/0.01705, allocations: 8 kB / 0.7911 GB, free: 4.281 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.377e-05/0.0171, allocations: 25.69 kB / 0.7912 GB, free: 4.258 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.177e-05/0.01711, allocations: 8 kB / 0.7912 GB, free: 4.25 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 4.888e-05/0.01716, allocations: 65.64 kB / 0.7912 GB, free: 4.184 MB / 0.7448 GB Notification: Performance of sort global known variables: time 7e-08/0.01716, allocations: 0 / 0.7912 GB, free: 4.184 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.0003247/0.01748, allocations: 116.7 kB / 0.7913 GB, free: 4.07 MB / 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): 20 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 9.743e-05/0.01758, allocations: 89.36 kB / 0.7914 GB, free: 3.977 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.0004961/0.01808, allocations: 483.9 kB / 0.7919 GB, free: 3.48 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 4.258e-06/0.01808, allocations: 5 kB / 0.7919 GB, free: 3.477 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 0.0001345/0.01822, allocations: 185 kB / 0.7921 GB, free: 3.281 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002726/0.01849, allocations: 44.52 kB / 0.7921 GB, free: 3.242 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0006873/0.01918, allocations: 0.5063 MB / 0.7926 GB, free: 2.68 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 6.803e-05/0.01924, allocations: 105.1 kB / 0.7927 GB, free: 2.555 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 0.0001208/0.01936, allocations: 42.25 kB / 0.7928 GB, free: 2.523 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001094/0.01947, allocations: 76.11 kB / 0.7928 GB, free: 2.449 MB / 0.7448 GB Notification: Performance of SimCode: time 9.21e-07/0.01947, allocations: 0 / 0.7928 GB, free: 2.449 MB / 0.7448 GB Notification: Performance of Templates: time 0.005283/0.02476, allocations: 3.864 MB / 0.7966 GB, free: 14.7 MB / 0.7605 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe ; mkfifo Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe ; head -c 1048576 < Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe >> ../files/Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.sim & ./Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > Buildings_13_Buildings.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.045049367006868]