Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter.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 0.001404/0.001404, allocations: 77.09 kB / 20.66 MB, free: 3.844 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 1.025/1.025, allocations: 177.2 MB / 201 MB, free: 5.711 MB / 186.7 MB " [Timeout remaining time 179] 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 0.002096/0.002096, allocations: 152.7 kB / 257.7 MB, free: 12.99 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 0.3046/0.3046, allocations: 83.29 MB / 397.5 MB, free: 15.02 MB / 330.7 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.GFCs.GFMs.PQLimiters.Plimiter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter") translateModel(OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.884e-06/1.884e-06, allocations: 0 / 494.3 MB, free: 7.859 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.679e-05/2.867e-05, allocations: 3.344 kB / 494.3 MB, free: 7.855 MB / 410.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter): time 0.004633/0.004662, allocations: 2.61 MB / 496.9 MB, free: 5.242 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.002106/0.006767, allocations: 1.137 MB / 498 MB, free: 4.105 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002878/0.007055, allocations: 15.88 kB / 498.1 MB, free: 4.09 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0002108/0.007266, allocations: 71.14 kB / 498.1 MB, free: 4.02 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0002317/0.007498, allocations: 73.09 kB / 498.2 MB, free: 3.949 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001126/0.008624, allocations: 0.5517 MB / 498.7 MB, free: 3.398 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.00075/0.009374, allocations: 0.6805 MB / 499.4 MB, free: 2.719 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0002757/0.009649, allocations: 138.7 kB / 499.6 MB, free: 2.582 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0004454/0.01009, allocations: 379.2 kB / 499.9 MB, free: 2.211 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002398/0.01033, allocations: 188.3 kB / 0.4884 GB, free: 2.027 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001131/0.01045, allocations: 68 kB / 0.4885 GB, free: 1.961 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 8.878e-05/0.01054, allocations: 69.09 kB / 0.4885 GB, free: 1.895 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0005517/0.01109, allocations: 151.5 kB / 0.4887 GB, free: 1.746 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.000179/0.01127, allocations: 179.5 kB / 0.4888 GB, free: 1.57 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0005528/0.01182, allocations: 487.2 kB / 0.4893 GB, free: 1.094 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 2.865e-06/0.01182, allocations: 0 / 0.4893 GB, free: 1.094 MB / 410.7 MB Notification: Performance of FrontEnd: time 9.22e-07/0.01182, allocations: 0 / 0.4893 GB, free: 1.094 MB / 410.7 MB Notification: Performance of Transformations before backend: time 5.741e-06/0.01183, allocations: 1.125 kB / 0.4893 GB, free: 1.094 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 87 * Number of variables: 87 Notification: Performance of Generate backend data structure: time 0.001359/0.01319, allocations: 0.9518 MB / 0.4902 GB, free: 92 kB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.809e-05/0.01323, allocations: 8.031 kB / 0.4902 GB, free: 84 kB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001739/0.0134, allocations: 97.39 kB / 0.4903 GB, free: 15.98 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000406/0.01381, allocations: 426.1 kB / 0.4907 GB, free: 15.55 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.983e-05/0.01389, allocations: 145.9 kB / 0.4909 GB, free: 15.39 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 5.57e-05/0.01394, allocations: 40.38 kB / 0.4909 GB, free: 15.35 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006781/0.01462, allocations: 0.7052 MB / 0.4916 GB, free: 14.53 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.179e-05/0.01463, allocations: 1.188 kB / 0.4916 GB, free: 14.53 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.425e-05/0.01467, allocations: 20 kB / 0.4916 GB, free: 14.51 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.107e-06/0.01468, allocations: 8 kB / 0.4916 GB, free: 14.5 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002332/0.01491, allocations: 145.7 kB / 0.4918 GB, free: 14.36 MB / 426.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001413/0.01632, allocations: 2.217 MB / 0.4939 GB, free: 12.06 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0003772/0.0167, allocations: 246.7 kB / 0.4942 GB, free: 11.79 MB / 426.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001277/0.01683, allocations: 96.11 kB / 0.4943 GB, free: 11.68 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 2.266e-05/0.01685, allocations: 8.438 kB / 0.4943 GB, free: 11.67 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002943/0.01714, allocations: 327 kB / 0.4946 GB, free: 11.3 MB / 426.7 MB Notification: Performance of pre-optimization done (n=32): time 1.533e-06/0.01715, allocations: 2.094 kB / 0.4946 GB, free: 11.3 MB / 426.7 MB Notification: Performance of matching and sorting (n=32): time 0.0004801/0.01763, allocations: 307.3 kB / 0.4949 GB, free: 10.99 MB / 426.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.076e-05/0.01771, allocations: 244.3 kB / 0.4951 GB, free: 10.7 MB / 426.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000554/0.01826, allocations: 410.6 kB / 0.4955 GB, free: 10.28 MB / 426.7 MB Notification: Performance of collectPreVariables (initialization): time 3.658e-05/0.0183, allocations: 37.7 kB / 0.4955 GB, free: 10.23 MB / 426.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001417/0.01844, allocations: 300.3 kB / 0.4958 GB, free: 9.934 MB / 426.7 MB Notification: Performance of collectInitialBindings (initialization): time 6.308e-05/0.0185, allocations: 115 kB / 0.4959 GB, free: 9.82 MB / 426.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000106/0.01861, allocations: 105.5 kB / 0.496 GB, free: 9.711 MB / 426.7 MB Notification: Performance of setup shared object (initialization): time 0.0001376/0.01875, allocations: 0.5235 MB / 0.4966 GB, free: 9.176 MB / 426.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001424/0.01889, allocations: 125 kB / 0.4967 GB, free: 9.035 MB / 426.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002294/0.01912, allocations: 386.8 kB / 0.497 GB, free: 8.566 MB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.00027/0.01939, allocations: 295.4 kB / 0.4973 GB, free: 8.23 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.805e-06/0.01939, allocations: 0.875 kB / 0.4973 GB, free: 8.23 MB / 426.7 MB Notification: Performance of matching and sorting (n=56) (initialization): time 0.0004472/0.01984, allocations: 459.9 kB / 0.4978 GB, free: 7.754 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 3.797e-05/0.01987, allocations: 69.84 kB / 0.4978 GB, free: 7.676 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.382e-06/0.01988, allocations: 9.047 kB / 0.4978 GB, free: 7.668 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.23e-05/0.01989, allocations: 4 kB / 0.4978 GB, free: 7.664 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000462/0.02036, allocations: 209.7 kB / 0.498 GB, free: 7.465 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.6e-06/0.02036, allocations: 4 kB / 0.498 GB, free: 7.461 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001506/0.02051, allocations: 66.11 kB / 0.4981 GB, free: 7.398 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.883e-05/0.02053, allocations: 12 kB / 0.4981 GB, free: 7.387 MB / 426.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001862/0.02072, allocations: 251.2 kB / 0.4984 GB, free: 7.121 MB / 426.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000206/0.02092, allocations: 370.6 kB / 0.4987 GB, free: 6.664 MB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002403/0.02116, allocations: 293.8 kB / 0.499 GB, free: 6.328 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.855e-06/0.02117, allocations: 4.719 kB / 0.499 GB, free: 6.324 MB / 426.7 MB Notification: Performance of matching and sorting (n=56) (initialization_lambda0): time 0.000402/0.02157, allocations: 449.5 kB / 0.4994 GB, free: 5.855 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.591e-05/0.02159, allocations: 64.16 kB / 0.4995 GB, free: 5.781 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.506e-06/0.0216, allocations: 3.938 kB / 0.4995 GB, free: 5.777 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 4.318e-06/0.0216, allocations: 4.844 kB / 0.4995 GB, free: 5.773 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004017/0.022, allocations: 196.8 kB / 0.4997 GB, free: 5.586 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.849e-06/0.02201, allocations: 9.734 kB / 0.4997 GB, free: 5.578 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000131/0.02214, allocations: 43.83 kB / 0.4997 GB, free: 5.535 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.462e-05/0.02215, allocations: 20.08 kB / 0.4998 GB, free: 5.516 MB / 426.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 14 (Pfilt_upper.count,$PRE.Pfilt_upper.count,Pfilt_upper.T_start,$PRE.Pfilt_upper.T_start,$whenCondition2,Pfilt_lower.count,$PRE.Pfilt_lower.count,Pfilt_lower.T_start,$PRE.Pfilt_lower.T_start,$whenCondition1,Plim_lower.lim_kipmax_Pmin.local_reset,Plim_lower.lim_kipmax_Pmax.local_reset,Plim_upper.lim_kipmax_Pmin.local_reset,Plim_upper.lim_kipmax_Pmax.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (54): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0001309/0.02228, allocations: 309.4 kB / 0.5 GB, free: 5.207 MB / 426.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.265e-05/0.02235, allocations: 59.66 kB / 0.5001 GB, free: 5.148 MB / 426.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.517e-05/0.0224, allocations: 51.22 kB / 0.5002 GB, free: 5.098 MB / 426.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.87e-06/0.02241, allocations: 4.938 kB / 0.5002 GB, free: 5.094 MB / 426.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.977e-06/0.02241, allocations: 0 / 0.5002 GB, free: 5.094 MB / 426.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.349e-06/0.02242, allocations: 0 / 0.5002 GB, free: 5.094 MB / 426.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005098/0.02293, allocations: 0.707 MB / 0.5008 GB, free: 4.336 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.583e-06/0.02293, allocations: 5.094 kB / 0.5009 GB, free: 4.332 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007513/0.02368, allocations: 329.8 kB / 0.5012 GB, free: 4.02 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.084e-06/0.02368, allocations: 0 / 0.5012 GB, free: 4.02 MB / 426.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.852e-05/0.0237, allocations: 8 kB / 0.5012 GB, free: 4.012 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.756e-06/0.0237, allocations: 4 kB / 0.5012 GB, free: 4.008 MB / 426.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.432e-06/0.0237, allocations: 0 / 0.5012 GB, free: 4.008 MB / 426.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004855/0.02419, allocations: 388.6 kB / 0.5016 GB, free: 3.594 MB / 426.7 MB Notification: Performance of postOpt removeConstants (simulation): time 3.459e-05/0.02422, allocations: 43.66 kB / 0.5016 GB, free: 3.551 MB / 426.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.472e-05/0.02426, allocations: 11.98 kB / 0.5016 GB, free: 3.539 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002322/0.02449, allocations: 70.84 kB / 0.5017 GB, free: 3.469 MB / 426.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.384e-05/0.02458, allocations: 67.89 kB / 0.5017 GB, free: 3.402 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.787e-05/0.0246, allocations: 12 kB / 0.5017 GB, free: 3.391 MB / 426.7 MB Notification: Performance of sorting global known variables: time 0.000155/0.02476, allocations: 267.1 kB / 0.502 GB, free: 3.133 MB / 426.7 MB Notification: Performance of sort global known variables: time 7e-08/0.02476, allocations: 0 / 0.502 GB, free: 3.133 MB / 426.7 MB Notification: Performance of remove unused functions: time 0.0005924/0.02535, allocations: 171.6 kB / 0.5022 GB, free: 2.965 MB / 426.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 4 (Plim_lower.lim_kipmax_Pmax.y,Plim_lower.lim_kipmax_Pmin.y,Plim_upper.lim_kipmax_Pmax.y,Plim_upper.lim_kipmax_Pmin.y) * Number of discrete variables: 6 ($whenCondition1,Pfilt_lower.T_start,Pfilt_lower.count,$whenCondition2,Pfilt_upper.T_start,Pfilt_upper.count) * Number of discrete states: 2 (Pfilt_upper.count,Pfilt_lower.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (32): * Single equations (assignments): 28 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * 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 0.0001054/0.02545, allocations: 111.2 kB / 0.5023 GB, free: 2.848 MB / 426.7 MB Notification: Performance of simCode: created initialization part: time 0.0005541/0.02601, allocations: 0.6791 MB / 0.5029 GB, free: 2.09 MB / 426.7 MB Notification: Performance of simCode: created event and clocks part: time 2.083e-06/0.02601, allocations: 0 / 0.5029 GB, free: 2.09 MB / 426.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0001532/0.02616, allocations: 118.4 kB / 0.503 GB, free: 1.973 MB / 426.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003022/0.02647, allocations: 117.1 kB / 0.5032 GB, free: 1.863 MB / 426.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001038/0.0275, allocations: 0.8434 MB / 0.504 GB, free: 0.9727 MB / 426.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001304/0.02764, allocations: 224.5 kB / 0.5042 GB, free: 0.7188 MB / 426.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001041/0.02774, allocations: 40.5 kB / 0.5042 GB, free: 0.6797 MB / 426.7 MB Notification: Performance of SimCode: time 1.082e-06/0.02774, allocations: 0 / 0.5042 GB, free: 0.6797 MB / 426.7 MB Notification: Performance of Templates: time 0.005654/0.03339, allocations: 6.163 MB / 0.5103 GB, free: 10.54 MB / 442.7 MB " [Timeout remaining time 660] make -j1 -f OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter.makefile [Timeout 660] (rm -f OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter.pipe ; mkfifo OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter.pipe ; head -c 1048576 < OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter.pipe >> ../files/OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter.sim & ./OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter > OpenIPSL_dev_OpenIPSL.Tests.GFCs.GFMs.PQLimiters.Plimiter.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.397938164882362]