Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2.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 0.001844/0.001844, allocations: 88.05 kB / 19.44 MB, free: 320 kB / 13.93 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 1.532/1.532, allocations: 177.1 MB / 199.7 MB, free: 5.824 MB / 186.7 MB " [Timeout remaining time 178] 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 0.002048/0.002048, allocations: 152.7 kB / 256.3 MB, free: 13.19 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL master/package.mo): time 0.5053/0.5053, allocations: 80.37 MB / 393.1 MB, free: 2.148 MB / 314.7 MB " [Timeout remaining time 179] Using package OpenIPSL with version 3.2.0-dev (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL master/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 Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=100000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2") translateModel(OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=100000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.212e-06/1.212e-06, allocations: 0 / 489.2 MB, free: 11.85 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.769e-05/2.89e-05, allocations: 4.703 kB / 489.3 MB, free: 11.84 MB / 410.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2): time 0.01013/0.01016, allocations: 7.471 MB / 496.7 MB, free: 4.344 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.005992/0.01615, allocations: 2.512 MB / 499.2 MB, free: 1.844 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001102/0.01725, allocations: 16 kB / 499.2 MB, free: 1.828 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.00105/0.0183, allocations: 326.9 kB / 499.6 MB, free: 1.508 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003143/0.02144, allocations: 1.062 MB / 0.4889 GB, free: 456 kB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002127/0.02357, allocations: 0.8592 MB / 0.4897 GB, free: 15.6 MB / 426.7 MB Notification: Performance of NFFlatten.flatten: time 0.003084/0.02665, allocations: 2.128 MB / 0.4918 GB, free: 13.46 MB / 426.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005545/0.02721, allocations: 250.1 kB / 0.4921 GB, free: 13.2 MB / 426.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002411/0.02962, allocations: 1.173 MB / 0.4932 GB, free: 12.02 MB / 426.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001497/0.03112, allocations: 0.8802 MB / 0.4941 GB, free: 11.14 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0003691/0.03149, allocations: 172.8 kB / 0.4942 GB, free: 10.97 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0008361/0.03232, allocations: 351.6 kB / 0.4946 GB, free: 10.62 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0005125/0.03283, allocations: 455.1 kB / 0.495 GB, free: 10.18 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0008637/0.0337, allocations: 0.588 MB / 0.4956 GB, free: 9.59 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003362/0.03706, allocations: 2.286 MB / 0.4978 GB, free: 7.297 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.169e-06/0.03706, allocations: 0 / 0.4978 GB, free: 7.297 MB / 426.7 MB Notification: Performance of FrontEnd: time 1.613e-06/0.03707, allocations: 4.562 kB / 0.4978 GB, free: 7.293 MB / 426.7 MB Notification: Performance of Transformations before backend: time 4.533e-05/0.03711, allocations: 4 kB / 0.4978 GB, free: 7.289 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 228 * Number of variables: 228 Notification: Performance of Generate backend data structure: time 0.01603/0.05314, allocations: 3.767 MB / 0.5015 GB, free: 3.492 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.312e-05/0.05318, allocations: 8.031 kB / 0.5015 GB, free: 3.484 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005014/0.0582, allocations: 0.9003 MB / 0.5024 GB, free: 2.582 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002648/0.06085, allocations: 1.048 MB / 0.5034 GB, free: 1.5 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000724/0.06157, allocations: 0.6116 MB / 0.504 GB, free: 0.7695 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002784/0.06185, allocations: 104 kB / 0.5041 GB, free: 0.668 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003194/0.06504, allocations: 1.382 MB / 0.5054 GB, free: 15.26 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.616e-05/0.06507, allocations: 0 / 0.5054 GB, free: 15.26 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000128/0.0652, allocations: 39.94 kB / 0.5055 GB, free: 15.22 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.659e-05/0.06523, allocations: 20 kB / 0.5055 GB, free: 15.2 MB / 442.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003562/0.06879, allocations: 1.234 MB / 0.5067 GB, free: 13.96 MB / 442.7 MB 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 0.01033/0.07912, allocations: 3.901 MB / 0.5105 GB, free: 9.984 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.007199/0.08632, allocations: 1.827 MB / 0.5123 GB, free: 8.137 MB / 442.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002507/0.08883, allocations: 0.7798 MB / 0.5131 GB, free: 7.352 MB / 442.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001751/0.089, allocations: 24.94 kB / 0.5131 GB, free: 7.328 MB / 442.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.542e-05/0.08906, allocations: 50.39 kB / 0.5131 GB, free: 7.27 MB / 442.7 MB Notification: Performance of pre-optimization done (n=120): time 3.787e-06/0.08906, allocations: 0 / 0.5131 GB, free: 7.27 MB / 442.7 MB Notification: Performance of matching and sorting (n=120): time 0.04396/0.133, allocations: 9.142 MB / 0.5221 GB, free: 14.1 MB / 458.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001286/0.1332, allocations: 127.7 kB / 0.5222 GB, free: 13.95 MB / 458.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002663/0.1358, allocations: 1.542 MB / 0.5237 GB, free: 12.38 MB / 458.7 MB Notification: Performance of collectPreVariables (initialization): time 0.000331/0.1361, allocations: 49.7 kB / 0.5237 GB, free: 12.32 MB / 458.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0007415/0.1369, allocations: 0.71 MB / 0.5244 GB, free: 11.61 MB / 458.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.000679/0.1376, allocations: 484 kB / 0.5249 GB, free: 11.13 MB / 458.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007379/0.1383, allocations: 357.2 kB / 0.5252 GB, free: 10.77 MB / 458.7 MB Notification: Performance of setup shared object (initialization): time 0.0002492/0.1386, allocations: 476.8 kB / 0.5257 GB, free: 10.3 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002221/0.1408, allocations: 0.8916 MB / 0.5266 GB, free: 9.402 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0027/0.1435, allocations: 1.199 MB / 0.5277 GB, free: 8.117 MB / 458.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004823/0.1483, allocations: 2.202 MB / 0.5299 GB, free: 5.848 MB / 458.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.285e-05/0.1483, allocations: 3.938 kB / 0.5299 GB, free: 5.844 MB / 458.7 MB Notification: Performance of matching and sorting (n=211) (initialization): time 0.01058/0.1589, allocations: 3.518 MB / 0.5333 GB, free: 2.301 MB / 458.7 MB Notification: Performance of prepare postOptimizeDAE: time 6.827e-05/0.159, allocations: 33.7 kB / 0.5333 GB, free: 2.262 MB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.161e-05/0.159, allocations: 0 / 0.5333 GB, free: 2.262 MB / 458.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.008682/0.1677, allocations: 2.18 MB / 0.5355 GB, free: 80 kB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001657/0.1693, allocations: 287.6 kB / 0.5358 GB, free: 15.8 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006692/0.176, allocations: 2.774 MB / 0.5385 GB, free: 12.98 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002239/0.1782, allocations: 202.9 kB / 0.5387 GB, free: 12.79 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002062/0.1784, allocations: 59.98 kB / 0.5387 GB, free: 12.73 MB / 474.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002692/0.1811, allocations: 1.121 MB / 0.5398 GB, free: 11.59 MB / 474.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002619/0.1838, allocations: 1.183 MB / 0.541 GB, free: 10.33 MB / 474.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004834/0.1886, allocations: 2.186 MB / 0.5431 GB, free: 8.074 MB / 474.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.633e-06/0.1886, allocations: 0 / 0.5431 GB, free: 8.074 MB / 474.7 MB Notification: Performance of matching and sorting (n=211) (initialization_lambda0): time 0.01035/0.199, allocations: 3.487 MB / 0.5465 GB, free: 4.562 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 5.172e-05/0.199, allocations: 33.7 kB / 0.5465 GB, free: 4.523 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.333e-05/0.199, allocations: 7.938 kB / 0.5465 GB, free: 4.516 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.008493/0.2075, allocations: 2.184 MB / 0.5487 GB, free: 2.324 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001629/0.2091, allocations: 283.6 kB / 0.5489 GB, free: 2.047 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006694/0.2158, allocations: 2.771 MB / 0.5516 GB, free: 15.25 MB / 490.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002177/0.218, allocations: 183.1 kB / 0.5518 GB, free: 15.07 MB / 490.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001824/0.2182, allocations: 59.98 kB / 0.5519 GB, free: 15.01 MB / 490.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (159): * Single equations (assignments): 157 * Array equations: 0 * Algorithm blocks: 1 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(28,25)} Notification: Performance of prepare postOptimizeDAE: time 0.0004848/0.2187, allocations: 347.6 kB / 0.5522 GB, free: 14.66 MB / 490.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004839/0.2192, allocations: 199 kB / 0.5524 GB, free: 14.46 MB / 490.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01572/0.2349, allocations: 4.244 MB / 0.5565 GB, free: 10.2 MB / 490.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.969e-05/0.2349, allocations: 15.98 kB / 0.5566 GB, free: 10.18 MB / 490.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.021e-05/0.2349, allocations: 7.938 kB / 0.5566 GB, free: 10.17 MB / 490.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.147e-05/0.235, allocations: 3.984 kB / 0.5566 GB, free: 10.17 MB / 490.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01853/0.2535, allocations: 5.703 MB / 0.5621 GB, free: 4.406 MB / 490.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.28e-05/0.2535, allocations: 0 / 0.5621 GB, free: 4.406 MB / 490.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008895/0.2544, allocations: 131.9 kB / 0.5623 GB, free: 4.277 MB / 490.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.01316/0.2675, allocations: 2.703 MB / 0.5649 GB, free: 1.566 MB / 490.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002291/0.2678, allocations: 24 kB / 0.5649 GB, free: 1.543 MB / 490.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02675/0.2945, allocations: 9.81 MB / 0.5745 GB, free: 7.598 MB / 0.4948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.264e-06/0.2945, allocations: 0 / 0.5745 GB, free: 7.598 MB / 0.4948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01761/0.3121, allocations: 5.443 MB / 0.5798 GB, free: 2.117 MB / 0.4948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006312/0.3128, allocations: 186.6 kB / 0.58 GB, free: 1.934 MB / 0.4948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002404/0.313, allocations: 28 kB / 0.58 GB, free: 1.906 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001398/0.3144, allocations: 99.91 kB / 0.5801 GB, free: 1.809 MB / 0.4948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007718/0.3152, allocations: 264.9 kB / 0.5804 GB, free: 1.551 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001064/0.3153, allocations: 35.98 kB / 0.5804 GB, free: 1.516 MB / 0.4948 GB Notification: Performance of sorting global known variables: time 0.001557/0.3168, allocations: 0.96 MB / 0.5814 GB, free: 0.5547 MB / 0.4948 GB Notification: Performance of sort global known variables: time 8e-08/0.3168, allocations: 0 / 0.5814 GB, free: 0.5547 MB / 0.4948 GB Notification: Performance of remove unused functions: time 0.002157/0.319, allocations: 0.8077 MB / 0.5821 GB, free: 15.74 MB / 0.5105 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 11 (gENCLS.delta,gENCLS.eq,gENSAL.w,gENSAL.delta,gENSAL.Epq,gENSAL.PSIkd,gENSAL.PSIppq,iEEEG2.leadLag.TF.x_scaled[1],iEEEG2.leadLag2.TF.x_scaled[1],iEEEG2.simpleLag.state,gENCLS.omega) * 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 (77): * Single equations (assignments): 76 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(26,23)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003564/0.3193, allocations: 155 kB / 0.5823 GB, free: 15.58 MB / 0.5105 GB Notification: Performance of simCode: created initialization part: time 0.0149/0.3342, allocations: 4.392 MB / 0.5866 GB, free: 11.15 MB / 0.5105 GB Notification: Performance of simCode: created event and clocks part: time 5.48e-06/0.3342, allocations: 0 / 0.5866 GB, free: 11.15 MB / 0.5105 GB Notification: Performance of simCode: created simulation system equations: time 0.006219/0.3405, allocations: 1.808 MB / 0.5883 GB, free: 9.316 MB / 0.5105 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001329/0.3418, allocations: 187.4 kB / 0.5885 GB, free: 9.137 MB / 0.5105 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0058/0.3476, allocations: 2.808 MB / 0.5913 GB, free: 6.277 MB / 0.5105 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007384/0.3483, allocations: 0.6352 MB / 0.5919 GB, free: 5.605 MB / 0.5105 GB Notification: Performance of simCode: alias equations: time 0.0007593/0.3491, allocations: 157.5 kB / 0.592 GB, free: 5.449 MB / 0.5105 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003518/0.3494, allocations: 104.4 kB / 0.5921 GB, free: 5.348 MB / 0.5105 GB Notification: Performance of SimCode: time 1.653e-06/0.3494, allocations: 0 / 0.5921 GB, free: 5.348 MB / 0.5105 GB Notification: Performance of Templates: time 0.2094/0.5588, allocations: 35.83 MB / 0.6271 GB, free: 155.9 MB / 0.5105 GB " [Timeout remaining time 659] make -j1 -f OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2.makefile [Timeout 660] (rm -f OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2.pipe ; mkfifo OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2.pipe ; head -c 1048576 < OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2.pipe >> ../files/OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2.sim & ./OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2 -abortSlowSimulation -alarm=240 -lv LOG_STATS > OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.TG.IEEEG2.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 9.215050301048905]