Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.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 0.001955/0.001955, allocations: 91.55 kB / 20.21 MB, free: 4.191 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 0.003098/0.003098, allocations: 157.3 kB / 23.52 MB, free: 0.8867 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.367/1.367, allocations: 158.6 MB / 185.3 MB, free: 2.887 MB / 170.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.2039/0.2039, allocations: 32.38 MB / 270 MB, free: 14.76 MB / 266.7 MB " [Timeout remaining time 180] Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5003,variableFilter="time|volume.medium.h|volume.medium.p",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph") translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5003,variableFilter="time|volume.medium.h|volume.medium.p",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.174e-06/2.174e-06, allocations: 4 kB / 347 MB, free: 9.781 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.474e-05/2.691e-05, allocations: 2.312 kB / 347 MB, free: 9.777 MB / 282.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph): time 0.04894/0.04896, allocations: 39.97 MB / 386.9 MB, free: 1.668 MB / 314.7 MB Notification: Performance of NFInst.instExpressions: time 0.03163/0.0806, allocations: 20.13 MB / 407.1 MB, free: 13.47 MB / 346.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009666/0.08156, allocations: 27.75 kB / 407.1 MB, free: 13.45 MB / 346.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001394/0.08296, allocations: 413.2 kB / 407.5 MB, free: 13.04 MB / 346.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0154/0.09836, allocations: 5.179 MB / 412.7 MB, free: 7.84 MB / 346.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.007514/0.1059, allocations: 2.598 MB / 415.3 MB, free: 5.23 MB / 346.7 MB Notification: Performance of NFFlatten.flatten: time 0.003565/0.1094, allocations: 2.047 MB / 417.3 MB, free: 3.172 MB / 346.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0007612/0.1102, allocations: 453.9 kB / 417.8 MB, free: 2.719 MB / 346.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.01119/0.1214, allocations: 4.429 MB / 422.2 MB, free: 14.23 MB / 362.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01388/0.1353, allocations: 5.436 MB / 427.6 MB, free: 8.715 MB / 362.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0002653/0.1355, allocations: 72 kB / 427.7 MB, free: 8.645 MB / 362.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01581/0.1513, allocations: 7.054 MB / 434.7 MB, free: 1.582 MB / 362.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0005831/0.1519, allocations: 319.1 kB / 435.1 MB, free: 1.27 MB / 362.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0007238/0.1527, allocations: 327.3 kB / 435.4 MB, free: 0.9492 MB / 362.7 MB Notification: Performance of NFConvertDAE.convert: time 0.189/0.3416, allocations: 6.285 MB / 441.7 MB, free: 36.79 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.879e-06/0.3416, allocations: 0 / 441.7 MB, free: 36.79 MB / 362.7 MB Notification: Performance of FrontEnd: time 1.392e-06/0.3416, allocations: 0 / 441.7 MB, free: 36.79 MB / 362.7 MB Notification: Performance of Transformations before backend: time 1.325e-05/0.3416, allocations: 0 / 441.7 MB, free: 36.79 MB / 362.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 160 * Number of variables: 160 Notification: Performance of Generate backend data structure: time 0.005006/0.3466, allocations: 1.779 MB / 443.4 MB, free: 35.93 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.669e-05/0.3467, allocations: 8.75 kB / 443.4 MB, free: 35.93 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002135/0.3488, allocations: 439.6 kB / 443.9 MB, free: 35.83 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009049/0.3497, allocations: 0.5396 MB / 444.4 MB, free: 35.62 MB / 362.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001077/0.3498, allocations: 163.1 kB / 444.6 MB, free: 35.5 MB / 362.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001242/0.3499, allocations: 70.69 kB / 444.6 MB, free: 35.5 MB / 362.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002071/0.352, allocations: 1.504 MB / 446.1 MB, free: 34.64 MB / 362.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.676e-05/0.352, allocations: 4.5 kB / 446.2 MB, free: 34.64 MB / 362.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.671e-05/0.3521, allocations: 39.39 kB / 446.2 MB, free: 34.63 MB / 362.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.542e-05/0.3522, allocations: 38.5 kB / 446.2 MB, free: 34.63 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001426/0.3536, allocations: 0.6846 MB / 446.9 MB, free: 34.63 MB / 362.7 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 0.005255/0.3589, allocations: 5.684 MB / 452.6 MB, free: 30.67 MB / 362.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001103/0.36, allocations: 0.5255 MB / 453.1 MB, free: 30.6 MB / 362.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002802/0.3603, allocations: 185.2 kB / 453.3 MB, free: 30.57 MB / 362.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0935/0.4538, allocations: 25.13 MB / 478.4 MB, free: 22.3 MB / 362.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.819e-05/0.4538, allocations: 44.45 kB / 478.5 MB, free: 22.26 MB / 362.7 MB Notification: Performance of pre-optimization done (n=42): time 3.426e-06/0.4538, allocations: 0 / 478.5 MB, free: 22.26 MB / 362.7 MB Notification: Performance of matching and sorting (n=46): time 0.006336/0.4601, allocations: 1.746 MB / 480.2 MB, free: 20.82 MB / 362.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.948e-05/0.4602, allocations: 165.8 kB / 480.4 MB, free: 20.62 MB / 362.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008827/0.4611, allocations: 0.6857 MB / 481.1 MB, free: 20.08 MB / 362.7 MB Notification: Performance of collectPreVariables (initialization): time 5.216e-05/0.4611, allocations: 32.02 kB / 481.1 MB, free: 20.05 MB / 362.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002157/0.4613, allocations: 485.2 kB / 481.6 MB, free: 19.68 MB / 362.7 MB Notification: Performance of collectInitialBindings (initialization): time 9.684e-05/0.4614, allocations: 189.9 kB / 481.8 MB, free: 19.53 MB / 362.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002807/0.4617, allocations: 192.8 kB / 481.9 MB, free: 19.41 MB / 362.7 MB Notification: Performance of setup shared object (initialization): time 0.0001745/0.4619, allocations: 0.5876 MB / 482.5 MB, free: 18.86 MB / 362.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004472/0.4623, allocations: 167.8 kB / 482.7 MB, free: 18.74 MB / 362.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006959/0.463, allocations: 0.753 MB / 483.5 MB, free: 17.83 MB / 362.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001078/0.4641, allocations: 0.9007 MB / 484.4 MB, free: 16.93 MB / 362.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.824e-06/0.4641, allocations: 4 kB / 484.4 MB, free: 16.93 MB / 362.7 MB Notification: Performance of matching and sorting (n=96) (initialization): time 0.001663/0.4658, allocations: 0.7954 MB / 485.2 MB, free: 16.37 MB / 362.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.262e-05/0.4658, allocations: 12 kB / 485.2 MB, free: 16.36 MB / 362.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.645e-05/0.4658, allocations: 11.81 kB / 485.2 MB, free: 16.35 MB / 362.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003416/0.4662, allocations: 64.84 kB / 485.2 MB, free: 16.29 MB / 362.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001552/0.4677, allocations: 276.1 kB / 485.5 MB, free: 16.04 MB / 362.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001414/0.4691, allocations: 2.717 MB / 488.2 MB, free: 13.26 MB / 362.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005121/0.4696, allocations: 28.62 kB / 488.3 MB, free: 13.25 MB / 362.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.526e-05/0.4697, allocations: 41.45 kB / 488.3 MB, free: 13.21 MB / 362.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 50 * Number of states: 0 () * Number of discrete variables: 10 (volume.medium.phase,ambient.medium.phase,fixedMassFlowRate.medium.phase,volume.regularFlow[1],volume.regularFlow[2],volume.inFlow[2],volume.inFlow[1],shortPipe.flowModel.states[2].phase,shortPipe.flowModel.states[1].phase,ambient.state.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (95): * Single equations (assignments): 93 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems 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 {(1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0002891/0.47, allocations: 280.7 kB / 488.6 MB, free: 12.99 MB / 362.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001658/0.4702, allocations: 87.33 kB / 488.7 MB, free: 12.91 MB / 362.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00146/0.4716, allocations: 1.485 MB / 490.1 MB, free: 11.64 MB / 362.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.121e-05/0.4716, allocations: 31.2 kB / 490.2 MB, free: 11.62 MB / 362.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.034e-06/0.4716, allocations: 2.625 kB / 490.2 MB, free: 11.62 MB / 362.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.283e-06/0.4716, allocations: 3.984 kB / 490.2 MB, free: 11.61 MB / 362.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002238/0.4739, allocations: 2.238 MB / 492.4 MB, free: 9.852 MB / 362.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.507e-06/0.4739, allocations: 0 / 492.4 MB, free: 9.852 MB / 362.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008391/0.4747, allocations: 182.6 kB / 492.6 MB, free: 9.68 MB / 362.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002995/0.475, allocations: 70.19 kB / 492.7 MB, free: 9.621 MB / 362.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.248e-05/0.4751, allocations: 19.73 kB / 492.7 MB, free: 9.609 MB / 362.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009672/0.476, allocations: 2.691 MB / 495.4 MB, free: 6.852 MB / 362.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.182e-06/0.476, allocations: 0 / 495.4 MB, free: 6.852 MB / 362.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001366/0.4774, allocations: 1.489 MB / 496.9 MB, free: 5.547 MB / 362.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002646/0.4777, allocations: 159.6 kB / 497 MB, free: 5.418 MB / 362.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.92e-05/0.4777, allocations: 38.23 kB / 497.1 MB, free: 5.391 MB / 362.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004239/0.4782, allocations: 23.73 kB / 497.1 MB, free: 5.375 MB / 362.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.572e-05/0.4782, allocations: 35.75 kB / 497.1 MB, free: 5.348 MB / 362.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.236e-05/0.4783, allocations: 23.55 kB / 497.1 MB, free: 5.332 MB / 362.7 MB Notification: Performance of sorting global known variables: time 0.0004186/0.4787, allocations: 0.4915 MB / 497.6 MB, free: 4.938 MB / 362.7 MB Notification: Performance of sort global known variables: time 9e-08/0.4787, allocations: 0 / 497.6 MB, free: 4.938 MB / 362.7 MB Notification: Performance of remove unused functions: time 0.003511/0.4822, allocations: 1.087 MB / 498.7 MB, free: 3.906 MB / 362.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 2 (volume.medium.p,volume.medium.h) * Number of discrete variables: 16 ($cse2.phase,$cse2.region,$cse3.phase,$cse3.region,$cse4.phase,$cse4.region,$cse5.phase,$cse5.region,$cse6.phase,$cse6.region,$cse7.phase,$cse7.region,$cse9.phase,$cse9.region,$cse10.phase,$cse10.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (53): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems 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 {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.003878/0.4861, allocations: 1.366 MB / 0.4884 GB, free: 2.699 MB / 362.7 MB Notification: Performance of simCode: created initialization part: time 0.001453/0.4876, allocations: 0.7162 MB / 0.4891 GB, free: 2.129 MB / 362.7 MB Notification: Performance of simCode: created event and clocks part: time 3.517e-06/0.4876, allocations: 1.438 kB / 0.4891 GB, free: 2.129 MB / 362.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0008891/0.4885, allocations: 464.9 kB / 0.4895 GB, free: 1.746 MB / 362.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001621/0.4901, allocations: 354.9 kB / 0.4898 GB, free: 1.469 MB / 362.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002862/0.4929, allocations: 2.006 MB / 0.4918 GB, free: 15.66 MB / 378.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006148/0.4936, allocations: 0.5099 MB / 0.4923 GB, free: 15.14 MB / 378.7 MB Notification: Performance of simCode: alias equations: time 0.0009301/0.4945, allocations: 420.9 kB / 0.4927 GB, free: 14.73 MB / 378.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001603/0.4946, allocations: 68.31 kB / 0.4928 GB, free: 14.67 MB / 378.7 MB Notification: Performance of SimCode: time 1.012e-06/0.4946, allocations: 0 / 0.4928 GB, free: 14.67 MB / 378.7 MB Notification: Performance of Templates: time 0.0788/0.5734, allocations: 45.77 MB / 0.5375 GB, free: 1.203 MB / 410.7 MB " [Timeout remaining time 659] make -j1 -f ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.makefile [Timeout 660] (rm -f ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.sim & ./ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Media/TestsWithFluid/MediaTestModels/Water/WaterIF97OnePhase_ph/WaterIF97OnePhase_ph.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Water.WaterIF97OnePhase_ph.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: 8.538106525084004]