Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop.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 0.0009227/0.0009227, allocations: 80.39 kB / 21.47 MB, free: 3.023 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 0.0009586/0.0009586, allocations: 172.3 kB / 24.87 MB, free: 8.879 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 0.9652/0.9652, allocations: 177.1 MB / 205.3 MB, free: 5.5 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.757/1.757, allocations: 359 MB / 0.6063 GB, free: 10.91 MB / 0.573 GB " [Timeout remaining time 178] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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.Fluid.FixedResistances.Examples.PressureDrop,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|res.m_flow_nominal|res.m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop") translateModel(Buildings.Fluid.FixedResistances.Examples.PressureDrop,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|res.m_flow_nominal|res.m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.323e-06/1.323e-06, allocations: 0 / 0.7883 GB, free: 12.24 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.282e-05/1.415e-05, allocations: 3.906 kB / 0.7883 GB, free: 12.24 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Examples.PressureDrop): time 0.1209/0.1209, allocations: 143.6 MB / 0.9285 GB, free: 12.21 MB / 0.8855 GB Notification: Performance of NFInst.instExpressions: time 0.001953/0.1229, allocations: 1.658 MB / 0.9301 GB, free: 10.55 MB / 0.8855 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000189/0.123, allocations: 23.75 kB / 0.9301 GB, free: 10.52 MB / 0.8855 GB Notification: Performance of NFTyping.typeComponents: time 0.0003987/0.1234, allocations: 107.2 kB / 0.9302 GB, free: 10.42 MB / 0.8855 GB Notification: Performance of NFTyping.typeBindings: time 0.0005544/0.124, allocations: 322.2 kB / 0.9305 GB, free: 10.1 MB / 0.8855 GB Notification: Performance of NFTyping.typeClassSections: time 0.0006375/0.1246, allocations: 442.6 kB / 0.931 GB, free: 9.668 MB / 0.8855 GB Notification: Performance of NFFlatten.flatten: time 0.0005611/0.1252, allocations: 0.577 MB / 0.9315 GB, free: 9.09 MB / 0.8855 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002164/0.1254, allocations: 144.8 kB / 0.9317 GB, free: 8.945 MB / 0.8855 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003933/0.1258, allocations: 343 kB / 0.932 GB, free: 8.609 MB / 0.8855 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001484/0.126, allocations: 139.5 kB / 0.9321 GB, free: 8.473 MB / 0.8855 GB Notification: Performance of NFPackage.collectConstants: time 2.395e-05/0.126, allocations: 12 kB / 0.9321 GB, free: 8.461 MB / 0.8855 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0005836/0.1266, allocations: 423 kB / 0.9325 GB, free: 8.047 MB / 0.8855 GB Notification: Performance of NFScalarize.scalarize: time 8.074e-05/0.1266, allocations: 99.66 kB / 0.9326 GB, free: 7.949 MB / 0.8855 GB Notification: Performance of NFVerifyModel.verify: time 6.759e-05/0.1267, allocations: 71.84 kB / 0.9327 GB, free: 7.879 MB / 0.8855 GB Notification: Performance of NFConvertDAE.convert: time 0.0004365/0.1271, allocations: 414.5 kB / 0.9331 GB, free: 7.473 MB / 0.8855 GB Notification: Performance of FrontEnd - DAE generated: time 3.556e-06/0.1272, allocations: 0 / 0.9331 GB, free: 7.473 MB / 0.8855 GB Notification: Performance of FrontEnd: time 9.22e-07/0.1272, allocations: 0 / 0.9331 GB, free: 7.473 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 4.91e-06/0.1272, allocations: 0 / 0.9331 GB, free: 7.473 MB / 0.8855 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 32 * Number of variables: 32 Notification: Performance of Generate backend data structure: time 0.0005333/0.1277, allocations: 0.6041 MB / 0.9337 GB, free: 6.832 MB / 0.8855 GB Notification: Performance of prepare preOptimizeDAE: time 3.237e-05/0.1277, allocations: 12.03 kB / 0.9337 GB, free: 6.82 MB / 0.8855 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002173/0.1279, allocations: 76.59 kB / 0.9338 GB, free: 6.746 MB / 0.8855 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002424/0.1282, allocations: 259.5 kB / 0.934 GB, free: 6.465 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.369e-05/0.1282, allocations: 12.38 kB / 0.934 GB, free: 6.453 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.824e-05/0.1282, allocations: 15.94 kB / 0.934 GB, free: 6.438 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001864/0.1284, allocations: 183 kB / 0.9342 GB, free: 6.23 MB / 0.8855 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.975e-06/0.1284, allocations: 4 kB / 0.9342 GB, free: 6.227 MB / 0.8855 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.203e-05/0.1284, allocations: 8 kB / 0.9342 GB, free: 6.219 MB / 0.8855 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.43e-06/0.1284, allocations: 4 kB / 0.9342 GB, free: 6.215 MB / 0.8855 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 5.086e-05/0.1285, allocations: 31.97 kB / 0.9343 GB, free: 6.184 MB / 0.8855 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 0.0005315/0.129, allocations: 0.7045 MB / 0.935 GB, free: 5.441 MB / 0.8855 GB Notification: Performance of preOpt comSubExp (simulation): time 9.435e-05/0.1291, allocations: 47.05 kB / 0.935 GB, free: 5.383 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 3.367e-05/0.1291, allocations: 31.72 kB / 0.935 GB, free: 5.348 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 7.902e-05/0.1292, allocations: 23.98 kB / 0.9351 GB, free: 5.324 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.86e-05/0.1292, allocations: 37.33 kB / 0.9351 GB, free: 5.277 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=10): time 1.663e-06/0.1292, allocations: 4 kB / 0.9351 GB, free: 5.273 MB / 0.8855 GB Notification: Performance of matching and sorting (n=10): time 0.0002296/0.1295, allocations: 113.7 kB / 0.9352 GB, free: 5.156 MB / 0.8855 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.322e-05/0.1295, allocations: 51.41 kB / 0.9353 GB, free: 5.094 MB / 0.8855 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001312/0.1296, allocations: 272.2 kB / 0.9355 GB, free: 4.812 MB / 0.8855 GB Notification: Performance of collectPreVariables (initialization): time 1.586e-05/0.1296, allocations: 29.7 kB / 0.9355 GB, free: 4.777 MB / 0.8855 GB Notification: Performance of collectInitialEqns (initialization): time 7.749e-05/0.1297, allocations: 211 kB / 0.9357 GB, free: 4.566 MB / 0.8855 GB Notification: Performance of collectInitialBindings (initialization): time 2.757e-05/0.1297, allocations: 39.69 kB / 0.9358 GB, free: 4.527 MB / 0.8855 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.266e-05/0.1298, allocations: 43.34 kB / 0.9358 GB, free: 4.477 MB / 0.8855 GB Notification: Performance of setup shared object (initialization): time 0.000113/0.1299, allocations: 0.5 MB / 0.9363 GB, free: 3.965 MB / 0.8855 GB Notification: Performance of preBalanceInitialSystem (initialization): time 2.515e-05/0.1299, allocations: 19.67 kB / 0.9363 GB, free: 3.941 MB / 0.8855 GB Notification: Performance of partitionIndependentBlocks (initialization): time 8.391e-05/0.13, allocations: 202.6 kB / 0.9365 GB, free: 3.688 MB / 0.8855 GB Notification: Performance of analyzeInitialSystem (initialization): time 6.145e-05/0.1301, allocations: 66.66 kB / 0.9366 GB, free: 3.605 MB / 0.8855 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.344e-06/0.1301, allocations: 0 / 0.9366 GB, free: 3.605 MB / 0.8855 GB Notification: Performance of matching and sorting (n=10) (initialization): time 0.0001061/0.1302, allocations: 89.47 kB / 0.9367 GB, free: 3.512 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 1.223e-05/0.1302, allocations: 11.98 kB / 0.9367 GB, free: 3.5 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.268e-06/0.1302, allocations: 4.031 kB / 0.9367 GB, free: 3.496 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.604e-06/0.1302, allocations: 0 / 0.9367 GB, free: 3.496 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 6.27e-05/0.1303, allocations: 16 kB / 0.9367 GB, free: 3.48 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.657e-06/0.1303, allocations: 4 kB / 0.9367 GB, free: 3.477 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 6.235e-05/0.1303, allocations: 15.94 kB / 0.9367 GB, free: 3.461 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.424e-05/0.1303, allocations: 4 kB / 0.9367 GB, free: 3.457 MB / 0.8855 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 6.415e-05/0.1304, allocations: 142.8 kB / 0.9369 GB, free: 3.312 MB / 0.8855 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 7.519e-05/0.1305, allocations: 198.6 kB / 0.937 GB, free: 3.062 MB / 0.8855 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 4.727e-05/0.1305, allocations: 54.95 kB / 0.9371 GB, free: 2.992 MB / 0.8855 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.683e-06/0.1305, allocations: 11.94 kB / 0.9371 GB, free: 2.98 MB / 0.8855 GB Notification: Performance of matching and sorting (n=10) (initialization_lambda0): time 9.288e-05/0.1306, allocations: 97.45 kB / 0.9372 GB, free: 2.879 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 4.619e-06/0.1306, allocations: 4 kB / 0.9372 GB, free: 2.875 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.104e-06/0.1306, allocations: 4 kB / 0.9372 GB, free: 2.871 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.514e-06/0.1306, allocations: 4 kB / 0.9372 GB, free: 2.867 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.566e-05/0.1307, allocations: 19.92 kB / 0.9372 GB, free: 2.848 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.293e-06/0.1307, allocations: 4 kB / 0.9372 GB, free: 2.844 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 5.487e-05/0.1307, allocations: 15.92 kB / 0.9373 GB, free: 2.828 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.394e-06/0.1307, allocations: 4 kB / 0.9373 GB, free: 2.824 MB / 0.8855 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (10): * Single equations (assignments): 10 * 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 8.64e-05/0.1308, allocations: 280 kB / 0.9375 GB, free: 2.543 MB / 0.8855 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.965e-05/0.1309, allocations: 23.86 kB / 0.9375 GB, free: 2.52 MB / 0.8855 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001105/0.131, allocations: 99.36 kB / 0.9376 GB, free: 2.418 MB / 0.8855 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.886e-06/0.131, allocations: 4 kB / 0.9376 GB, free: 2.414 MB / 0.8855 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.663e-06/0.131, allocations: 0 / 0.9376 GB, free: 2.414 MB / 0.8855 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.655e-06/0.131, allocations: 0 / 0.9376 GB, free: 2.414 MB / 0.8855 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003668/0.1313, allocations: 471.6 kB / 0.9381 GB, free: 1.891 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.583e-06/0.1313, allocations: 7.938 kB / 0.9381 GB, free: 1.883 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.583e-05/0.1314, allocations: 19.98 kB / 0.9381 GB, free: 1.863 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.936e-06/0.1314, allocations: 4 kB / 0.9381 GB, free: 1.859 MB / 0.8855 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.63e-06/0.1314, allocations: 0 / 0.9381 GB, free: 1.859 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.295e-06/0.1314, allocations: 4 kB / 0.9381 GB, free: 1.855 MB / 0.8855 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.206e-06/0.1314, allocations: 7.938 kB / 0.9381 GB, free: 1.848 MB / 0.8855 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001475/0.1316, allocations: 301.5 kB / 0.9384 GB, free: 1.504 MB / 0.8855 GB Notification: Performance of postOpt removeConstants (simulation): time 4.148e-05/0.1316, allocations: 35.78 kB / 0.9385 GB, free: 1.469 MB / 0.8855 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.719e-05/0.1316, allocations: 4 kB / 0.9385 GB, free: 1.465 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 7.189e-05/0.1317, allocations: 12.03 kB / 0.9385 GB, free: 1.453 MB / 0.8855 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.269e-05/0.1317, allocations: 15.92 kB / 0.9385 GB, free: 1.438 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.859e-06/0.1317, allocations: 4 kB / 0.9385 GB, free: 1.434 MB / 0.8855 GB Notification: Performance of sorting global known variables: time 7.649e-05/0.1318, allocations: 189.1 kB / 0.9387 GB, free: 1.246 MB / 0.8855 GB Notification: Performance of sort global known variables: time 6e-08/0.1318, allocations: 0 / 0.9387 GB, free: 1.246 MB / 0.8855 GB Notification: Performance of remove unused functions: time 0.0002868/0.1321, allocations: 103.8 kB / 0.9388 GB, free: 1.145 MB / 0.8855 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 (10): * Single equations (assignments): 10 * 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 0.0001651/0.1323, allocations: 147 kB / 0.9389 GB, free: 0.9922 MB / 0.8855 GB Notification: Performance of simCode: created initialization part: time 0.0001292/0.1324, allocations: 87.67 kB / 0.939 GB, free: 0.8984 MB / 0.8855 GB Notification: Performance of simCode: created event and clocks part: time 1.142e-06/0.1324, allocations: 0 / 0.939 GB, free: 0.8984 MB / 0.8855 GB Notification: Performance of simCode: created simulation system equations: time 3.705e-05/0.1324, allocations: 43.53 kB / 0.939 GB, free: 0.8516 MB / 0.8855 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003905/0.1328, allocations: 102.5 kB / 0.9391 GB, free: 0.7578 MB / 0.8855 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007486/0.1336, allocations: 445.2 kB / 0.9396 GB, free: 268 kB / 0.8855 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 5.042e-05/0.1336, allocations: 92.23 kB / 0.9396 GB, free: 156 kB / 0.8855 GB Notification: Performance of simCode: alias equations: time 8.73e-05/0.1337, allocations: 29.94 kB / 0.9397 GB, free: 124 kB / 0.8855 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001736/0.1339, allocations: 146.1 kB / 0.9398 GB, free: 15.98 MB / 0.9011 GB Notification: Performance of SimCode: time 6.21e-07/0.1339, allocations: 3.938 kB / 0.9398 GB, free: 15.97 MB / 0.9011 GB Notification: Performance of Templates: time 0.005843/0.1397, allocations: 4.263 MB / 0.944 GB, free: 11.82 MB / 0.9011 GB " [Timeout remaining time 300] make -j1 -f Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop.pipe ; mkfifo Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop.pipe >> ../files/Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop.sim & ./Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_11_Buildings.Fluid.FixedResistances.Examples.PressureDrop_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_FixedResistances_Examples_PressureDrop.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 4.9324912298470736]