Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_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 0.001803/0.001803, allocations: 108.3 kB / 19.7 MB, free: 1.918 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 0.002272/0.002272, allocations: 216.9 kB / 22.99 MB, free: 4.973 MB / 14.72 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 1.453/1.453, allocations: 207.7 MB / 233.8 MB, free: 9.789 MB / 190.1 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 0.2993/0.2993, allocations: 44.27 MB / 330.3 MB, free: 9.297 MB / 270.1 MB " [Timeout remaining time 179] 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: "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HelicalPipe_kc_laminar_KC",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HelicalPipe_kc_laminar_KC",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002349/0.002349, allocations: 72.45 kB / 467.5 MB, free: 4.301 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1442/0.1465, allocations: 61.04 MB / 0.5162 GB, free: 7.133 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC): time 0.003619/0.1502, allocations: 1.95 MB / 0.5181 GB, free: 5.172 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.001581/0.1517, allocations: 0.8616 MB / 0.5189 GB, free: 4.301 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 7.4e-05/0.1518, allocations: 4 kB / 0.5189 GB, free: 4.297 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002609/0.1521, allocations: 67.61 kB / 0.519 GB, free: 4.23 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0003686/0.1524, allocations: 127.4 kB / 0.5191 GB, free: 4.105 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.000257/0.1527, allocations: 83.7 kB / 0.5192 GB, free: 4.023 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004693/0.1532, allocations: 402 kB / 0.5196 GB, free: 3.629 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 6.482e-05/0.1532, allocations: 16.92 kB / 0.5196 GB, free: 3.609 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002318/0.1535, allocations: 163.2 kB / 0.5198 GB, free: 3.449 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002619/0.1537, allocations: 183.1 kB / 0.5199 GB, free: 3.27 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 3.155e-05/0.1538, allocations: 12 kB / 0.5199 GB, free: 3.258 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001997/0.154, allocations: 63.91 kB / 0.52 GB, free: 3.195 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001241/0.1541, allocations: 99.52 kB / 0.5201 GB, free: 3.098 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001529/0.1542, allocations: 127.2 kB / 0.5202 GB, free: 2.973 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0005642/0.1548, allocations: 414 kB / 0.5206 GB, free: 2.566 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.376e-06/0.1548, allocations: 8 kB / 0.5206 GB, free: 2.559 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.122e-06/0.1548, allocations: 0 / 0.5206 GB, free: 2.559 MB / 398.1 MB Notification: Performance of Transformations before backend: time 6.011e-06/0.1548, allocations: 0 / 0.5206 GB, free: 2.559 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: 112 * Number of variables: 112 Notification: Performance of Generate backend data structure: time 0.001091/0.1559, allocations: 0.5832 MB / 0.5212 GB, free: 1.945 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.189e-05/0.1559, allocations: 8.031 kB / 0.5212 GB, free: 1.938 MB / 398.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000121/0.1561, allocations: 90.69 kB / 0.5213 GB, free: 1.84 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.897e-05/0.1561, allocations: 40.66 kB / 0.5213 GB, free: 1.801 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004307/0.1566, allocations: 229.8 kB / 0.5215 GB, free: 1.551 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.38e-05/0.1566, allocations: 29.36 kB / 0.5216 GB, free: 1.523 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.195e-05/0.1567, allocations: 40.36 kB / 0.5216 GB, free: 1.484 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009449/0.1576, allocations: 0.557 MB / 0.5221 GB, free: 0.9219 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.574e-05/0.1576, allocations: 0 / 0.5221 GB, free: 0.9219 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.022e-05/0.1577, allocations: 19.98 kB / 0.5222 GB, free: 0.9023 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.539e-05/0.1577, allocations: 40.97 kB / 0.5222 GB, free: 0.8594 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001038/0.1588, allocations: 0.5659 MB / 0.5228 GB, free: 304 kB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001939/0.1607, allocations: 1.089 MB / 0.5238 GB, free: 15.16 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006998/0.1614, allocations: 366.2 kB / 0.5242 GB, free: 14.79 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002836/0.1617, allocations: 132.8 kB / 0.5243 GB, free: 14.66 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.02e-05/0.1617, allocations: 12.03 kB / 0.5243 GB, free: 14.65 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.925e-05/0.1618, allocations: 38.5 kB / 0.5243 GB, free: 14.6 MB / 414.1 MB Notification: Performance of pre-optimization done (n=22): time 1.333e-06/0.1618, allocations: 0 / 0.5243 GB, free: 14.6 MB / 414.1 MB Notification: Performance of matching and sorting (n=22): time 0.001021/0.1628, allocations: 457.6 kB / 0.5248 GB, free: 14.15 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.421e-05/0.1628, allocations: 63.39 kB / 0.5248 GB, free: 14.07 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005333/0.1634, allocations: 449.6 kB / 0.5253 GB, free: 13.62 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 3.39e-05/0.1634, allocations: 29.7 kB / 0.5253 GB, free: 13.59 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001612/0.1636, allocations: 188.4 kB / 0.5255 GB, free: 13.4 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 9.265e-05/0.1637, allocations: 83.27 kB / 0.5256 GB, free: 13.32 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 9.339e-05/0.1638, allocations: 49.69 kB / 0.5256 GB, free: 13.27 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0002011/0.164, allocations: 350.8 kB / 0.5259 GB, free: 12.91 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002695/0.1642, allocations: 119.9 kB / 0.5261 GB, free: 12.8 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002562/0.1645, allocations: 123.9 kB / 0.5262 GB, free: 12.68 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005479/0.165, allocations: 264.6 kB / 0.5264 GB, free: 12.41 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.795e-06/0.165, allocations: 3.938 kB / 0.5264 GB, free: 12.41 MB / 414.1 MB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0006949/0.1657, allocations: 345.1 kB / 0.5268 GB, free: 12.07 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.215e-05/0.1658, allocations: 11.94 kB / 0.5268 GB, free: 12.05 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.941e-06/0.1658, allocations: 0 / 0.5268 GB, free: 12.05 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.626e-05/0.1658, allocations: 0 / 0.5268 GB, free: 12.05 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007462/0.1665, allocations: 159.9 kB / 0.5269 GB, free: 11.9 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003772/0.1703, allocations: 5.513 MB / 0.5323 GB, free: 6.176 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002153/0.1705, allocations: 47.64 kB / 0.5324 GB, free: 6.129 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.977e-05/0.1705, allocations: 15.98 kB / 0.5324 GB, free: 6.113 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (22): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 9 * 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): 9 systems {1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000231/0.1708, allocations: 189.6 kB / 0.5325 GB, free: 5.918 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.259e-05/0.1708, allocations: 39.72 kB / 0.5326 GB, free: 5.879 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009101/0.1718, allocations: 453.1 kB / 0.533 GB, free: 5.434 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.392e-06/0.1718, allocations: 4 kB / 0.533 GB, free: 5.43 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.789e-06/0.1718, allocations: 0 / 0.533 GB, free: 5.43 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.306e-06/0.1718, allocations: 4.062 kB / 0.533 GB, free: 5.426 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004767/0.1722, allocations: 332.4 kB / 0.5333 GB, free: 5.059 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.583e-06/0.1722, allocations: 0 / 0.5333 GB, free: 5.059 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006818/0.1729, allocations: 159.9 kB / 0.5335 GB, free: 4.902 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.827e-06/0.1729, allocations: 0 / 0.5335 GB, free: 4.902 MB / 414.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.487e-05/0.173, allocations: 7.984 kB / 0.5335 GB, free: 4.895 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.271/0.4439, allocations: 5.52 MB / 0.5389 GB, free: 28.99 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.479e-06/0.4439, allocations: 4.312 kB / 0.5389 GB, free: 28.99 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009726/0.4449, allocations: 444.8 kB / 0.5393 GB, free: 28.86 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.000163/0.4451, allocations: 49.28 kB / 0.5394 GB, free: 28.86 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.959e-05/0.4451, allocations: 4.938 kB / 0.5394 GB, free: 28.86 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002143/0.4453, allocations: 11.27 kB / 0.5394 GB, free: 28.86 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001064/0.4454, allocations: 21.89 kB / 0.5394 GB, free: 28.86 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.556e-05/0.4455, allocations: 14.17 kB / 0.5394 GB, free: 28.86 MB / 414.1 MB Notification: Performance of sorting global known variables: time 0.000564/0.446, allocations: 335 kB / 0.5397 GB, free: 28.77 MB / 414.1 MB Notification: Performance of sort global known variables: time 9e-08/0.446, allocations: 0 / 0.5397 GB, free: 28.77 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.0005428/0.4466, allocations: 101.7 kB / 0.5398 GB, free: 28.77 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 (22): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 9 * 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): 9 systems {1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001318/0.4479, allocations: 1.027 MB / 0.5408 GB, free: 28.09 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.001391/0.4493, allocations: 403 kB / 0.5412 GB, free: 28.09 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 3.196e-06/0.4493, allocations: 0 / 0.5412 GB, free: 28.09 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0009124/0.4502, allocations: 279.4 kB / 0.5415 GB, free: 28.09 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000605/0.4508, allocations: 95.45 kB / 0.5416 GB, free: 28.09 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007802/0.4586, allocations: 4.358 MB / 0.5458 GB, free: 26.64 MB / 414.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003344/0.459, allocations: 251 kB / 0.5461 GB, free: 26.55 MB / 414.1 MB Notification: Performance of simCode: alias equations: time 0.0003187/0.4593, allocations: 88.28 kB / 0.5462 GB, free: 26.54 MB / 414.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001699/0.4594, allocations: 113.9 kB / 0.5463 GB, free: 26.46 MB / 414.1 MB Notification: Performance of SimCode: time 9.52e-07/0.4594, allocations: 0 / 0.5463 GB, free: 26.46 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05269/0.5121, allocations: 12.91 MB / 0.5589 GB, free: 22.96 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 13.64/14.15, allocations: 13.14 kB / 0.5589 GB, free: 22.95 MB / 414.1 MB " [Timeout remaining time 646] (rm -f ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC_res.mat --tempDir=temp_ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HelicalPipe_kc_laminar_KC_fmu --startTime=0 --stopTime=1.01 --stepSize=0.000201839 --timeout=50 --tolerance=1e-06 ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HelicalPipe_kc_laminar_KC.fmu > ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_KC_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/HelicalPipe/kc_laminar_KC/kc_laminar_KC.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_laminar_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: 17.919106713030487]