Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001614/0.001614, allocations: 114.5 kB / 21.17 MB, free: 0.6172 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.002139/0.002139, allocations: 206.8 kB / 24.47 MB, free: 4.023 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.513/1.513, allocations: 230.2 MB / 257.8 MB, free: 8.523 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/package.mo): time 0.2244/0.2244, allocations: 46.9 MB / 361.1 MB, free: 4.652 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/package.mo) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|velocity.1.|velocity.2.|cp.1.|cp.2.|eta.1.|eta.2.|lambda.1.|lambda.2.|rho.1.|rho.2.|Nu.1.|Nu.2.|m_flow.1.|m_flow.2.|kc_OUT_1.1.|kc_OUT_1.2.|Re.1.|Re.2.|input_Nu.y",fileNamePrefix="ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC") translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|velocity.1.|velocity.2.|cp.1.|cp.2.|eta.1.|eta.2.|lambda.1.|lambda.2.|rho.1.|rho.2.|Nu.1.|Nu.2.|m_flow.1.|m_flow.2.|kc_OUT_1.1.|kc_OUT_1.2.|Re.1.|Re.2.|input_Nu.y",fileNamePrefix="ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC") [Timeout 660] "Warning: Requested package Modelica of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Notification: Performance of FrontEnd - loaded program: time 0.002389/0.002389, allocations: 83.86 kB / 0.4968 GB, free: 7.812 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2821/0.2845, allocations: 65.99 MB / 0.5612 GB, free: 5.008 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC): time 0.003398/0.2879, allocations: 1.807 MB / 0.563 GB, free: 3.191 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.001472/0.2894, allocations: 0.8501 MB / 0.5638 GB, free: 2.34 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 5.437e-05/0.2894, allocations: 3.938 kB / 0.5638 GB, free: 2.336 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002451/0.2897, allocations: 43.75 kB / 0.5639 GB, free: 2.293 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0002757/0.29, allocations: 67.7 kB / 0.5639 GB, free: 2.227 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0002765/0.2902, allocations: 98.02 kB / 0.564 GB, free: 2.133 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.0002232/0.2905, allocations: 147.3 kB / 0.5642 GB, free: 1.988 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 4.705e-05/0.2905, allocations: 12.81 kB / 0.5642 GB, free: 1.977 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001666/0.2907, allocations: 63.77 kB / 0.5642 GB, free: 1.914 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001595/0.2908, allocations: 87.64 kB / 0.5643 GB, free: 1.828 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 1.828e-05/0.2909, allocations: 4 kB / 0.5643 GB, free: 1.824 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002925/0.2912, allocations: 167.7 kB / 0.5645 GB, free: 1.66 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 6.917e-05/0.2912, allocations: 35.83 kB / 0.5645 GB, free: 1.625 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 7.327e-05/0.2913, allocations: 51.69 kB / 0.5646 GB, free: 1.574 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0003246/0.2916, allocations: 206 kB / 0.5648 GB, free: 1.375 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.206e-06/0.2916, allocations: 0 / 0.5648 GB, free: 1.375 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.132e-06/0.2916, allocations: 4 kB / 0.5648 GB, free: 1.371 MB / 398.1 MB Notification: Performance of Transformations before backend: time 5.04e-06/0.2916, allocations: 0 / 0.5648 GB, free: 1.371 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 29 * Number of variables: 29 Notification: Performance of Generate backend data structure: time 0.0007576/0.2924, allocations: 458.6 kB / 0.5652 GB, free: 0.875 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.536e-05/0.2924, allocations: 12.03 kB / 0.5652 GB, free: 0.8633 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 4.532e-05/0.2925, allocations: 16.83 kB / 0.5652 GB, free: 0.8477 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002463/0.2927, allocations: 192.2 kB / 0.5654 GB, free: 0.6211 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.635e-05/0.2927, allocations: 12.38 kB / 0.5654 GB, free: 0.6094 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 3.961e-05/0.2928, allocations: 16.12 kB / 0.5654 GB, free: 0.5938 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003708/0.2931, allocations: 173.5 kB / 0.5656 GB, free: 428 kB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 9.688e-06/0.2931, allocations: 4 kB / 0.5656 GB, free: 424 kB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.684e-05/0.2932, allocations: 7.938 kB / 0.5656 GB, free: 416 kB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.039e-05/0.2932, allocations: 15.98 kB / 0.5656 GB, free: 400 kB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003728/0.2936, allocations: 163.8 kB / 0.5658 GB, free: 236 kB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0008721/0.2944, allocations: 492.2 kB / 0.5663 GB, free: 15.7 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004215/0.2949, allocations: 150.5 kB / 0.5664 GB, free: 15.54 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001647/0.295, allocations: 56.81 kB / 0.5665 GB, free: 15.48 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 2.52e-05/0.2951, allocations: 0 / 0.5665 GB, free: 15.48 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.684e-05/0.2951, allocations: 34.55 kB / 0.5665 GB, free: 15.44 MB / 414.1 MB Notification: Performance of pre-optimization done (n=9): time 1.042e-06/0.2951, allocations: 0 / 0.5665 GB, free: 15.44 MB / 414.1 MB Notification: Performance of matching and sorting (n=9): time 0.0005806/0.2957, allocations: 201.4 kB / 0.5667 GB, free: 15.23 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.037e-05/0.2957, allocations: 55.78 kB / 0.5667 GB, free: 15.17 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002223/0.2959, allocations: 207.4 kB / 0.5669 GB, free: 14.95 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 2.091e-05/0.2959, allocations: 25.7 kB / 0.567 GB, free: 14.91 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 8.518e-05/0.296, allocations: 108.1 kB / 0.5671 GB, free: 14.8 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 4.128e-05/0.2961, allocations: 43.61 kB / 0.5671 GB, free: 14.77 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 6.044e-05/0.2961, allocations: 29.72 kB / 0.5671 GB, free: 14.73 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0001516/0.2963, allocations: 330.8 kB / 0.5674 GB, free: 14.4 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001504/0.2964, allocations: 47.94 kB / 0.5675 GB, free: 14.35 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001819/0.2966, allocations: 74.52 kB / 0.5676 GB, free: 14.27 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003076/0.2969, allocations: 130.4 kB / 0.5677 GB, free: 14.13 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.813e-06/0.2969, allocations: 0 / 0.5677 GB, free: 14.13 MB / 414.1 MB Notification: Performance of matching and sorting (n=11) (initialization): time 0.0003869/0.2973, allocations: 157.5 kB / 0.5678 GB, free: 13.97 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.848e-05/0.2973, allocations: 11.98 kB / 0.5678 GB, free: 13.96 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.509e-06/0.2973, allocations: 0 / 0.5678 GB, free: 13.96 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.344e-05/0.2973, allocations: 0 / 0.5678 GB, free: 13.96 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002907/0.2976, allocations: 47.92 kB / 0.5679 GB, free: 13.91 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008582/0.2985, allocations: 1.234 MB / 0.5691 GB, free: 12.63 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001241/0.2986, allocations: 15.88 kB / 0.5691 GB, free: 12.62 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.514e-05/0.2986, allocations: 4 kB / 0.5691 GB, free: 12.61 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 2 (m_flow_IN_con_1[2].target,m_flow_IN_con_1[1].target) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (11): * Single equations (assignments): 9 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001859/0.2988, allocations: 145.9 kB / 0.5693 GB, free: 12.46 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.738e-05/0.2989, allocations: 11.89 kB / 0.5693 GB, free: 12.45 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004474/0.2993, allocations: 186.9 kB / 0.5694 GB, free: 12.26 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.705e-06/0.2993, allocations: 0 / 0.5694 GB, free: 12.26 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.426e-06/0.2993, allocations: 0 / 0.5694 GB, free: 12.26 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.665e-06/0.2993, allocations: 0 / 0.5694 GB, free: 12.26 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002786/0.2996, allocations: 221.5 kB / 0.5697 GB, free: 11.99 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.236e-06/0.2996, allocations: 3.938 kB / 0.5697 GB, free: 11.99 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002416/0.2998, allocations: 43.98 kB / 0.5697 GB, free: 11.95 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.118e-06/0.2999, allocations: 7.984 kB / 0.5697 GB, free: 11.94 MB / 414.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.304e-05/0.2999, allocations: 4 kB / 0.5697 GB, free: 11.93 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008025/0.3007, allocations: 1.219 MB / 0.5709 GB, free: 10.67 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.122e-06/0.3007, allocations: 0 / 0.5709 GB, free: 10.67 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004155/0.3011, allocations: 251.4 kB / 0.5711 GB, free: 10.41 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 8.249e-05/0.3012, allocations: 100.9 kB / 0.5712 GB, free: 10.29 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.137e-05/0.3012, allocations: 7.938 kB / 0.5712 GB, free: 10.28 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001314/0.3013, allocations: 7.984 kB / 0.5713 GB, free: 10.27 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.767e-05/0.3014, allocations: 8.062 kB / 0.5713 GB, free: 10.27 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.238e-05/0.3014, allocations: 8 kB / 0.5713 GB, free: 10.26 MB / 414.1 MB Notification: Performance of sorting global known variables: time 0.0001405/0.3015, allocations: 153.1 kB / 0.5714 GB, free: 10.11 MB / 414.1 MB Notification: Performance of sort global known variables: time 7e-08/0.3015, allocations: 0 / 0.5714 GB, free: 10.11 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.0003197/0.3019, allocations: 47.88 kB / 0.5715 GB, free: 10.06 MB / 414.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (9): * Single equations (assignments): 7 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002256/0.3021, allocations: 127.1 kB / 0.5716 GB, free: 9.926 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.0005452/0.3026, allocations: 147.8 kB / 0.5717 GB, free: 9.781 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 2.374e-06/0.3026, allocations: 0 / 0.5717 GB, free: 9.781 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0002987/0.3029, allocations: 83.86 kB / 0.5718 GB, free: 9.699 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003199/0.3032, allocations: 28.11 kB / 0.5718 GB, free: 9.672 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0006947/0.3039, allocations: 367.4 kB / 0.5722 GB, free: 9.289 MB / 414.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003855/0.3043, allocations: 0.724 MB / 0.5729 GB, free: 8.539 MB / 414.1 MB Notification: Performance of simCode: alias equations: time 9.658e-05/0.3044, allocations: 40.98 kB / 0.5729 GB, free: 8.5 MB / 414.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.048e-05/0.3045, allocations: 11.44 kB / 0.5729 GB, free: 8.488 MB / 414.1 MB Notification: Performance of SimCode: time 3.01e-07/0.3045, allocations: 0 / 0.5729 GB, free: 8.488 MB / 414.1 MB Notification: Performance of Templates: time 0.006516/0.311, allocations: 2.701 MB / 0.5756 GB, free: 5.84 MB / 414.1 MB " [Timeout remaining time 660] make -j1 -f ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.makefile [Timeout 660] (rm -f ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.pipe ; mkfifo ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.pipe ; head -c 1048576 < ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.pipe >> ../files/ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.sim & ./ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC -abortSlowSimulation -alarm=480 -s gbode -emit_protected -lv LOG_STATS > ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.pipe 2>&1) [Timeout 480] diffSimulationResults("ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/Channel/kc_evenGapTurbulent_KC/kc_evenGapTurbulent_KC.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapTurbulent_KC.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 5.021863649133593]