Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.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 0.001657/0.001657, allocations: 109 kB / 21.22 MB, free: 0.7344 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 0.001858/0.001858, allocations: 216.2 kB / 24.53 MB, free: 4.07 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 1.523/1.523, allocations: 230.6 MB / 258.3 MB, free: 7.996 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo): time 1.17/1.17, allocations: 120.6 MB / 435.3 MB, free: 0.8633 MB / 334.1 MB " [Timeout remaining time 179] Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/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: translateModel(ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20,tolerance=1e-07,outputFormat="mat",numberOfIntervals=21600,variableFilter="Qh.1.|Qh.20.|Qh.2.|Qh.3.|Que.1.|Que.20.|Que.2.|Que.3.|Tu.1.|Tu.20.|Tu.2.|Tu.3.|der.Tu.1..|der.Tu.20..|der.Tu.2..|der.Tu.3..|der.x.1..|der.x.20..|der.x.2..|der.x.3..|time|time|u.1.|u.20.|u.2.|u.3.|x.1.|x.20.|x.2.|x.3.",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20") translateModel(ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20,tolerance=1e-07,outputFormat="mat",numberOfIntervals=21600,variableFilter="Qh.1.|Qh.20.|Qh.2.|Qh.3.|Que.1.|Que.20.|Que.2.|Que.3.|Tu.1.|Tu.20.|Tu.2.|Tu.3.|der.Tu.1..|der.Tu.20..|der.Tu.2..|der.Tu.3..|der.x.1..|der.x.20..|der.x.2..|der.x.3..|time|time|u.1.|u.20.|u.2.|u.3.|x.1.|x.20.|x.2.|x.3.",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20") [Timeout 300] "Notification: ScalableTestSuite requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001981/0.001981, allocations: 59.91 kB / 0.6096 GB, free: 8.824 MB / 446.3 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1894/0.1914, allocations: 85.87 MB / 0.6934 GB, free: 2.742 MB / 0.5139 GB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20): time 0.00284/0.1943, allocations: 1.407 MB / 0.6948 GB, free: 1.328 MB / 0.5139 GB Notification: Performance of NFInst.instExpressions: time 0.00107/0.1953, allocations: 0.5691 MB / 0.6954 GB, free: 0.7578 MB / 0.5139 GB Notification: Performance of NFInst.updateImplicitVariability: time 5.02e-05/0.1954, allocations: 3.938 kB / 0.6954 GB, free: 0.7539 MB / 0.5139 GB Notification: Performance of NFTyping.typeComponents: time 9.002e-05/0.1955, allocations: 7.922 kB / 0.6954 GB, free: 0.7461 MB / 0.5139 GB Notification: Performance of NFTyping.typeBindings: time 0.0003333/0.1958, allocations: 63.72 kB / 0.6954 GB, free: 0.6836 MB / 0.5139 GB Notification: Performance of NFTyping.typeClassSections: time 0.0001189/0.1959, allocations: 47.81 kB / 0.6955 GB, free: 0.6367 MB / 0.5139 GB Notification: Performance of NFFlatten.flatten: time 0.0005962/0.1965, allocations: 0.546 MB / 0.696 GB, free: 92 kB / 0.5139 GB Notification: Performance of NFFlatten.resolveConnections: time 5.362e-05/0.1966, allocations: 4.188 kB / 0.696 GB, free: 88 kB / 0.5139 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003584/0.1969, allocations: 211.7 kB / 0.6962 GB, free: 15.88 MB / 0.5295 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000456/0.1974, allocations: 283.5 kB / 0.6965 GB, free: 15.6 MB / 0.5295 GB Notification: Performance of NFPackage.collectConstants: time 7.029e-05/0.1975, allocations: 28 kB / 0.6965 GB, free: 15.57 MB / 0.5295 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001567/0.1976, allocations: 55.97 kB / 0.6966 GB, free: 15.52 MB / 0.5295 GB Notification: Performance of NFScalarize.scalarize: time 0.0002925/0.1979, allocations: 239.4 kB / 0.6968 GB, free: 15.29 MB / 0.5295 GB Notification: Performance of NFVerifyModel.verify: time 0.000259/0.1982, allocations: 234.9 kB / 0.697 GB, free: 15.05 MB / 0.5295 GB Notification: Performance of NFConvertDAE.convert: time 0.0004837/0.1987, allocations: 442.1 kB / 0.6975 GB, free: 14.62 MB / 0.5295 GB Notification: Performance of FrontEnd - DAE generated: time 4.809e-06/0.1987, allocations: 0 / 0.6975 GB, free: 14.62 MB / 0.5295 GB Notification: Performance of FrontEnd: time 1.693e-06/0.1987, allocations: 0 / 0.6975 GB, free: 14.62 MB / 0.5295 GB Notification: Performance of Transformations before backend: time 7.594e-06/0.1987, allocations: 0 / 0.6975 GB, free: 14.62 MB / 0.5295 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 103 * Number of variables: 103 Notification: Performance of Generate backend data structure: time 0.001832/0.2005, allocations: 0.759 MB / 0.6982 GB, free: 13.83 MB / 0.5295 GB Notification: Performance of prepare preOptimizeDAE: time 4.154e-05/0.2005, allocations: 8.031 kB / 0.6982 GB, free: 13.82 MB / 0.5295 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001186/0.2007, allocations: 44.7 kB / 0.6982 GB, free: 13.78 MB / 0.5295 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004656/0.2011, allocations: 277.3 kB / 0.6985 GB, free: 13.48 MB / 0.5295 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.243e-05/0.2012, allocations: 29 kB / 0.6985 GB, free: 13.46 MB / 0.5295 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001178/0.2013, allocations: 59.91 kB / 0.6986 GB, free: 13.4 MB / 0.5295 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001001/0.2023, allocations: 0.5879 MB / 0.6992 GB, free: 12.8 MB / 0.5295 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.504e-05/0.2023, allocations: 4 kB / 0.6992 GB, free: 12.8 MB / 0.5295 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.357e-05/0.2023, allocations: 16 kB / 0.6992 GB, free: 12.79 MB / 0.5295 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.157e-05/0.2024, allocations: 8 kB / 0.6992 GB, free: 12.78 MB / 0.5295 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009605/0.2033, allocations: 0.5933 MB / 0.6998 GB, free: 12.18 MB / 0.5295 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0008957/0.2042, allocations: 0.5855 MB / 0.7004 GB, free: 11.56 MB / 0.5295 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003423/0.2076, allocations: 1.322 MB / 0.7016 GB, free: 10.22 MB / 0.5295 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006727/0.2083, allocations: 431.6 kB / 0.7021 GB, free: 9.801 MB / 0.5295 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001912/0.2085, allocations: 32.95 kB / 0.7021 GB, free: 9.766 MB / 0.5295 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.718e-05/0.2085, allocations: 43.56 kB / 0.7021 GB, free: 9.715 MB / 0.5295 GB Notification: Performance of pre-optimization done (n=103): time 2.645e-06/0.2085, allocations: 4 kB / 0.7021 GB, free: 9.711 MB / 0.5295 GB Notification: Performance of matching and sorting (n=103): time 0.002304/0.2109, allocations: 1.354 MB / 0.7035 GB, free: 8.355 MB / 0.5295 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.918e-05/0.2109, allocations: 68.34 kB / 0.7035 GB, free: 8.277 MB / 0.5295 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000201/0.2111, allocations: 175.3 kB / 0.7037 GB, free: 8.098 MB / 0.5295 GB Notification: Performance of collectPreVariables (initialization): time 6.266e-05/0.2112, allocations: 41.7 kB / 0.7037 GB, free: 8.051 MB / 0.5295 GB Notification: Performance of collectInitialEqns (initialization): time 8.769e-05/0.2113, allocations: 110.1 kB / 0.7038 GB, free: 7.938 MB / 0.5295 GB Notification: Performance of collectInitialBindings (initialization): time 0.000418/0.2117, allocations: 424.4 kB / 0.7042 GB, free: 7.52 MB / 0.5295 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003057/0.212, allocations: 198.9 kB / 0.7044 GB, free: 7.316 MB / 0.5295 GB Notification: Performance of setup shared object (initialization): time 0.0002075/0.2122, allocations: 374.7 kB / 0.7048 GB, free: 6.941 MB / 0.5295 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007559/0.2129, allocations: 470.3 kB / 0.7052 GB, free: 6.484 MB / 0.5295 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007757/0.2137, allocations: 487.5 kB / 0.7057 GB, free: 6.004 MB / 0.5295 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001593/0.2153, allocations: 1.04 MB / 0.7067 GB, free: 4.961 MB / 0.5295 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.167e-06/0.2153, allocations: 0 / 0.7067 GB, free: 4.961 MB / 0.5295 GB Notification: Performance of matching and sorting (n=144) (initialization): time 0.00189/0.2172, allocations: 1.25 MB / 0.7079 GB, free: 3.703 MB / 0.5295 GB Notification: Performance of prepare postOptimizeDAE: time 2.154e-05/0.2172, allocations: 4 kB / 0.7079 GB, free: 3.699 MB / 0.5295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.228e-06/0.2172, allocations: 0 / 0.7079 GB, free: 3.699 MB / 0.5295 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.324e-05/0.2173, allocations: 4 kB / 0.7079 GB, free: 3.695 MB / 0.5295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001109/0.2184, allocations: 271.7 kB / 0.7082 GB, free: 3.43 MB / 0.5295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.432e-05/0.2184, allocations: 4 kB / 0.7082 GB, free: 3.426 MB / 0.5295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003959/0.2188, allocations: 87.3 kB / 0.7083 GB, free: 3.34 MB / 0.5295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.2e-05/0.2189, allocations: 39.98 kB / 0.7083 GB, free: 3.301 MB / 0.5295 GB 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 (144): * Single equations (assignments): 144 * 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 0.0003023/0.2192, allocations: 213.5 kB / 0.7085 GB, free: 3.082 MB / 0.5295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.898e-05/0.2193, allocations: 51.72 kB / 0.7086 GB, free: 3.031 MB / 0.5295 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002424/0.2217, allocations: 1.381 MB / 0.7099 GB, free: 1.648 MB / 0.5295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.437e-05/0.2217, allocations: 16 kB / 0.7099 GB, free: 1.633 MB / 0.5295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.362e-06/0.2217, allocations: 3.938 kB / 0.7099 GB, free: 1.629 MB / 0.5295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.6e-05/0.2217, allocations: 7.969 kB / 0.71 GB, free: 1.621 MB / 0.5295 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009544/0.2227, allocations: 0.7261 MB / 0.7107 GB, free: 0.8516 MB / 0.5295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.758e-06/0.2227, allocations: 0 / 0.7107 GB, free: 0.8516 MB / 0.5295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001435/0.2241, allocations: 303.7 kB / 0.7109 GB, free: 0.5547 MB / 0.5295 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.205e-05/0.2241, allocations: 4 kB / 0.711 GB, free: 0.5508 MB / 0.5295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.688e-05/0.2242, allocations: 43.97 kB / 0.711 GB, free: 0.5078 MB / 0.5295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.017e-05/0.2242, allocations: 8 kB / 0.711 GB, free: 0.5 MB / 0.5295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.094e-06/0.2242, allocations: 0 / 0.711 GB, free: 0.5 MB / 0.5295 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002919/0.2272, allocations: 1.859 MB / 0.7128 GB, free: 14.62 MB / 0.5452 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004081/0.2276, allocations: 183.1 kB / 0.713 GB, free: 14.44 MB / 0.5452 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001158/0.2277, allocations: 39.98 kB / 0.713 GB, free: 14.4 MB / 0.5452 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003448/0.228, allocations: 23.94 kB / 0.7131 GB, free: 14.38 MB / 0.5452 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001708/0.2282, allocations: 89.14 kB / 0.7131 GB, free: 14.29 MB / 0.5452 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.062e-05/0.2283, allocations: 43.98 kB / 0.7132 GB, free: 14.25 MB / 0.5452 GB Notification: Performance of sorting global known variables: time 0.0001198/0.2284, allocations: 124.3 kB / 0.7133 GB, free: 14.12 MB / 0.5452 GB Notification: Performance of sort global known variables: time 8e-08/0.2284, allocations: 0 / 0.7133 GB, free: 14.12 MB / 0.5452 GB Notification: Performance of remove unused functions: time 0.0005737/0.229, allocations: 239.9 kB / 0.7135 GB, free: 13.89 MB / 0.5452 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 41 (Td,Tu[1],Tu[2],Tu[3],Tu[4],Tu[5],Tu[6],Tu[7],Tu[8],Tu[9],Tu[10],Tu[11],Tu[12],Tu[13],Tu[14],Tu[15],Tu[16],Tu[17],Tu[18],Tu[19],Tu[20],x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10],x[11],x[12],x[13],x[14],x[15],x[16],x[17],x[18],x[19],x[20]) * 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 (144): * Single equations (assignments): 144 * 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 0.0002783/0.2293, allocations: 167.6 kB / 0.7137 GB, free: 13.72 MB / 0.5452 GB Notification: Performance of simCode: created initialization part: time 0.001865/0.2311, allocations: 1.088 MB / 0.7148 GB, free: 12.63 MB / 0.5452 GB Notification: Performance of simCode: created event and clocks part: time 2.584e-06/0.2311, allocations: 0 / 0.7148 GB, free: 12.63 MB / 0.5452 GB Notification: Performance of simCode: created simulation system equations: time 0.0009262/0.232, allocations: 0.5968 MB / 0.7153 GB, free: 12.04 MB / 0.5452 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004997/0.2325, allocations: 107.9 kB / 0.7154 GB, free: 11.93 MB / 0.5452 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004512/0.2371, allocations: 2.854 MB / 0.7182 GB, free: 9.035 MB / 0.5452 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006382/0.2377, allocations: 0.9191 MB / 0.7191 GB, free: 8.094 MB / 0.5452 GB Notification: Performance of simCode: alias equations: time 0.0008971/0.2386, allocations: 368.8 kB / 0.7195 GB, free: 7.73 MB / 0.5452 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003247/0.2389, allocations: 91.41 kB / 0.7196 GB, free: 7.641 MB / 0.5452 GB Notification: Performance of SimCode: time 1.834e-06/0.2389, allocations: 0 / 0.7196 GB, free: 7.641 MB / 0.5452 GB Notification: Performance of Templates: time 0.02164/0.2606, allocations: 10.84 MB / 0.7301 GB, free: 12.85 MB / 0.5608 GB " [Timeout remaining time 300] make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.makefile [Timeout 300] (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20 -s=ida -abortSlowSimulation -alarm=300 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.pipe 2>&1) [Timeout 300] diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_20.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 16.903181164059788]