Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.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 0.001288/0.001288, allocations: 115.8 kB / 20.43 MB, free: 1.457 MB / 14.72 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 0.001484/0.001484, allocations: 213.3 kB / 23.75 MB, free: 4.668 MB / 14.72 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 1.391/1.391, allocations: 230.6 MB / 257.5 MB, free: 8.012 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo): time 0.2243/0.2243, allocations: 46.92 MB / 360.9 MB, free: 4.281 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+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 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: "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.002096/0.002096, allocations: 67.89 kB / 0.4962 GB, free: 7.836 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3209/0.323, allocations: 66.03 MB / 0.5607 GB, free: 4.461 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC): time 0.004381/0.3273, allocations: 2.927 MB / 0.5636 GB, free: 1.516 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.00485/0.3322, allocations: 2.613 MB / 0.5661 GB, free: 14.89 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003979/0.3326, allocations: 4 kB / 0.5661 GB, free: 14.89 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0004811/0.3331, allocations: 117 kB / 0.5662 GB, free: 14.78 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0005872/0.3337, allocations: 238.6 kB / 0.5665 GB, free: 14.54 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001701/0.3354, allocations: 0.5678 MB / 0.567 GB, free: 13.98 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.001309/0.3367, allocations: 0.9403 MB / 0.5679 GB, free: 13.03 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000151/0.3368, allocations: 42.44 kB / 0.568 GB, free: 12.98 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0005502/0.3374, allocations: 342 kB / 0.5683 GB, free: 12.64 MB / 414.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006282/0.338, allocations: 425.6 kB / 0.5687 GB, free: 12.22 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 9.341e-05/0.3381, allocations: 24 kB / 0.5687 GB, free: 12.2 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001699/0.3398, allocations: 0.9632 MB / 0.5697 GB, free: 11.23 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002901/0.3401, allocations: 274.6 kB / 0.5699 GB, free: 10.96 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0005644/0.3407, allocations: 456.6 kB / 0.5704 GB, free: 10.52 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.00192/0.3426, allocations: 1.392 MB / 0.5717 GB, free: 9.117 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.372e-06/0.3426, allocations: 4 kB / 0.5717 GB, free: 9.113 MB / 414.1 MB Notification: Performance of FrontEnd: time 1.693e-06/0.3426, allocations: 0 / 0.5717 GB, free: 9.113 MB / 414.1 MB Notification: Performance of Transformations before backend: time 3.543e-05/0.3426, allocations: 0 / 0.5717 GB, free: 9.113 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 275 * Number of variables: 275 Notification: Performance of Generate backend data structure: time 0.002301/0.3449, allocations: 1.423 MB / 0.5731 GB, free: 7.652 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 4e-05/0.345, allocations: 8.031 kB / 0.5731 GB, free: 7.645 MB / 414.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001654/0.3451, allocations: 165.1 kB / 0.5733 GB, free: 7.473 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007099/0.3458, allocations: 204 kB / 0.5735 GB, free: 7.273 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008206/0.3467, allocations: 481.5 kB / 0.5739 GB, free: 6.777 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.079e-05/0.3467, allocations: 77.92 kB / 0.574 GB, free: 6.703 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001132/0.3468, allocations: 88 kB / 0.5741 GB, free: 6.617 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002017/0.3488, allocations: 1.419 MB / 0.5755 GB, free: 5.16 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.123e-05/0.3489, allocations: 0 / 0.5755 GB, free: 5.16 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.932e-05/0.3489, allocations: 40 kB / 0.5755 GB, free: 5.121 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.169e-05/0.349, allocations: 78.05 kB / 0.5756 GB, free: 5.043 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002127/0.3512, allocations: 1.37 MB / 0.5769 GB, free: 3.664 MB / 414.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004356/0.3555, allocations: 3.028 MB / 0.5799 GB, free: 0.5508 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001317/0.3568, allocations: 0.707 MB / 0.5806 GB, free: 15.79 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006064/0.3574, allocations: 281.4 kB / 0.5808 GB, free: 15.49 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 5.87e-05/0.3575, allocations: 20.02 kB / 0.5809 GB, free: 15.48 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.758e-05/0.3575, allocations: 42.78 kB / 0.5809 GB, free: 15.43 MB / 430.1 MB Notification: Performance of pre-optimization done (n=32): time 1.794e-06/0.3575, allocations: 0 / 0.5809 GB, free: 15.43 MB / 430.1 MB Notification: Performance of matching and sorting (n=32): time 0.002232/0.3598, allocations: 0.9359 MB / 0.5818 GB, free: 14.48 MB / 430.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001142/0.3599, allocations: 191.9 kB / 0.582 GB, free: 14.25 MB / 430.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001658/0.3615, allocations: 1.358 MB / 0.5833 GB, free: 12.88 MB / 430.1 MB Notification: Performance of collectPreVariables (initialization): time 4.201e-05/0.3616, allocations: 29.7 kB / 0.5834 GB, free: 12.84 MB / 430.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004612/0.362, allocations: 0.5481 MB / 0.5839 GB, free: 12.29 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001131/0.3622, allocations: 123 kB / 0.584 GB, free: 12.17 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002219/0.3624, allocations: 158.2 kB / 0.5842 GB, free: 12.01 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 0.0001498/0.3625, allocations: 338 kB / 0.5845 GB, free: 11.67 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006608/0.3632, allocations: 297 kB / 0.5848 GB, free: 11.38 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009281/0.3641, allocations: 0.6247 MB / 0.5854 GB, free: 10.6 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001675/0.3658, allocations: 0.973 MB / 0.5863 GB, free: 9.469 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.073e-06/0.3658, allocations: 7.938 kB / 0.5863 GB, free: 9.461 MB / 430.1 MB Notification: Performance of matching and sorting (n=79) (initialization): time 0.002025/0.3678, allocations: 1.039 MB / 0.5874 GB, free: 8.414 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.203e-05/0.3678, allocations: 10.66 kB / 0.5874 GB, free: 8.406 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.059e-05/0.3679, allocations: 12 kB / 0.5874 GB, free: 8.395 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.782e-05/0.3679, allocations: 16 kB / 0.5874 GB, free: 8.379 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005919/0.3685, allocations: 160 kB / 0.5875 GB, free: 8.223 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.455e-05/0.3685, allocations: 23.94 kB / 0.5876 GB, free: 8.199 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007467/0.3693, allocations: 174.7 kB / 0.5877 GB, free: 8.027 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.329e-05/0.3693, allocations: 51.98 kB / 0.5878 GB, free: 7.977 MB / 430.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 51 * Number of states: 0 () * Number of discrete variables: 26 (IN_var_3[6].target,IN_var_3[5].target,IN_var_3[4].target,IN_var_3[3].target,IN_var_3[2].target,IN_var_3[1].target,IN_con_3[6].target,IN_con_3[5].target,IN_con_3[4].target,IN_con_3[3].target,IN_con_3[2].target,IN_con_3[1].target,IN_var_2.target,IN_con_2.target,IN_var_1[6].target,IN_var_1[5].target,IN_var_1[4].target,IN_var_1[3].target,IN_var_1[2].target,IN_var_1[1].target,IN_con_1[6].target,IN_con_1[5].target,IN_con_1[4].target,IN_con_1[3].target,IN_con_1[2].target,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 (79): * Single equations (assignments): 79 * 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 0.0005152/0.3699, allocations: 359.3 kB / 0.5881 GB, free: 7.613 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002509/0.3701, allocations: 135.1 kB / 0.5883 GB, free: 7.48 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001425/0.3715, allocations: 0.751 MB / 0.589 GB, free: 6.719 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.624e-06/0.3715, allocations: 4 kB / 0.589 GB, free: 6.715 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.671e-06/0.3715, allocations: 4 kB / 0.589 GB, free: 6.711 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.063e-06/0.3715, allocations: 7.984 kB / 0.589 GB, free: 6.703 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001269/0.3728, allocations: 0.6897 MB / 0.5897 GB, free: 5.965 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.975e-06/0.3728, allocations: 3.938 kB / 0.5897 GB, free: 5.961 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004272/0.3733, allocations: 99.86 kB / 0.5898 GB, free: 5.863 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.727e-06/0.3733, allocations: 4 kB / 0.5898 GB, free: 5.859 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.77e-05/0.3733, allocations: 27.92 kB / 0.5898 GB, free: 5.832 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.537e-06/0.3733, allocations: 0 / 0.5898 GB, free: 5.832 MB / 430.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.202e-06/0.3733, allocations: 8 kB / 0.5898 GB, free: 5.824 MB / 430.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001696/0.375, allocations: 1.162 MB / 0.5909 GB, free: 4.641 MB / 430.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.000301/0.3753, allocations: 135 kB / 0.5911 GB, free: 4.508 MB / 430.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001567/0.3755, allocations: 4 kB / 0.5911 GB, free: 4.504 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006064/0.3761, allocations: 39.95 kB / 0.5911 GB, free: 4.465 MB / 430.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001219/0.3762, allocations: 35.95 kB / 0.5911 GB, free: 4.43 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.303e-05/0.3762, allocations: 23.98 kB / 0.5912 GB, free: 4.406 MB / 430.1 MB Notification: Performance of sorting global known variables: time 0.00123/0.3775, allocations: 0.9352 MB / 0.5921 GB, free: 3.469 MB / 430.1 MB Notification: Performance of sort global known variables: time 8e-08/0.3775, allocations: 0 / 0.5921 GB, free: 3.469 MB / 430.1 MB Notification: Performance of remove unused functions: time 0.001111/0.3786, allocations: 307.4 kB / 0.5924 GB, free: 3.168 MB / 430.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * 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 (32): * Single equations (assignments): 32 * 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 0.002597/0.3812, allocations: 1.865 MB / 0.5942 GB, free: 1.273 MB / 430.1 MB Notification: Performance of simCode: created initialization part: time 0.001584/0.3828, allocations: 0.6892 MB / 0.5949 GB, free: 0.5859 MB / 430.1 MB Notification: Performance of simCode: created event and clocks part: time 2.755e-06/0.3828, allocations: 0 / 0.5949 GB, free: 0.5859 MB / 430.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0006626/0.3834, allocations: 295.6 kB / 0.5952 GB, free: 304 kB / 430.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001471/0.3849, allocations: 268 kB / 0.5954 GB, free: 36 kB / 430.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01654/0.4014, allocations: 11.21 MB / 0.6064 GB, free: 4.309 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008662/0.4023, allocations: 1.165 MB / 0.6075 GB, free: 3.117 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.0008729/0.4032, allocations: 390.7 kB / 0.6079 GB, free: 2.73 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005473/0.4037, allocations: 403.2 kB / 0.6083 GB, free: 2.34 MB / 446.1 MB Notification: Performance of SimCode: time 1.152e-06/0.4037, allocations: 0 / 0.6083 GB, free: 2.34 MB / 446.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06993/0.4736, allocations: 28.49 MB / 0.6361 GB, free: 6.164 MB / 478.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.87/13.34, allocations: 3.984 kB / 0.6361 GB, free: 6.16 MB / 478.1 MB " [Timeout remaining time 647] (rm -f ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC_res.mat --tempDir=temp_ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC_fmu --startTime=0 --stopTime=1.01 --stepSize=0.000201839 --timeout=50 --tolerance=1e-05 ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC.fmu > ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/StraightPipe/kc_twoPhaseOverall_KC/kc_twoPhaseOverall_KC.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_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: 16.901321619050577]