Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.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 0.001306/0.001306, allocations: 107.5 kB / 19.69 MB, free: 2.203 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 0.001557/0.001557, allocations: 226.3 kB / 23.01 MB, free: 5.039 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 1.582/1.582, allocations: 207.6 MB / 233.8 MB, free: 9.98 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 0.2297/0.2297, allocations: 44.24 MB / 330.3 MB, free: 9.508 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: translateModel(ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|ramp.y|boundary.ports.1..m_flow|boundary.ports.1..p|boundary.ports.1..h_outflow|sensor.port_b.m_flow|sensor.port_b.p|sensor.port_b.h_outflow|fitting1.port_b.m_flow|fitting1.port_b.p|fitting1.port_b.h_outflow|fitting2.port_b.m_flow|fitting2.port_b.p|fitting2.port_b.h_outflow",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice") translateModel(ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|ramp.y|boundary.ports.1..m_flow|boundary.ports.1..p|boundary.ports.1..h_outflow|sensor.port_b.m_flow|sensor.port_b.p|sensor.port_b.h_outflow|fitting1.port_b.m_flow|fitting1.port_b.p|fitting1.port_b.h_outflow|fitting2.port_b.m_flow|fitting2.port_b.p|fitting2.port_b.h_outflow",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice") [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 0.002333/0.002333, allocations: 78.48 kB / 468 MB, free: 3.992 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1331/0.1354, allocations: 61.04 MB / 0.5167 GB, free: 6.812 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice): time 0.5581/0.6935, allocations: 191 MB / 0.7031 GB, free: 4.379 MB / 0.5294 GB Notification: Performance of NFInst.instExpressions: time 0.0108/0.7043, allocations: 5.769 MB / 0.7088 GB, free: 14.6 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001018/0.7053, allocations: 27.75 kB / 0.7088 GB, free: 14.57 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.001237/0.7066, allocations: 329.8 kB / 0.7091 GB, free: 14.25 MB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.005356/0.7119, allocations: 1.661 MB / 0.7107 GB, free: 12.59 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.002223/0.7141, allocations: 0.752 MB / 0.7115 GB, free: 11.84 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.002694/0.7168, allocations: 1.567 MB / 0.713 GB, free: 10.26 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006905/0.7175, allocations: 355.8 kB / 0.7133 GB, free: 9.906 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001079/0.7186, allocations: 0.5956 MB / 0.7139 GB, free: 9.309 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007373/0.7193, allocations: 498 kB / 0.7144 GB, free: 8.82 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 9.32e-05/0.7194, allocations: 52 kB / 0.7145 GB, free: 8.77 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003762/0.7232, allocations: 1.435 MB / 0.7159 GB, free: 7.332 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.000214/0.7234, allocations: 163.4 kB / 0.716 GB, free: 7.172 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0004395/0.7238, allocations: 342.5 kB / 0.7163 GB, free: 6.836 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.002961/0.7268, allocations: 1.628 MB / 0.7179 GB, free: 5.203 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.681e-06/0.7268, allocations: 0 / 0.7179 GB, free: 5.203 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.504e-06/0.7268, allocations: 0 / 0.7179 GB, free: 5.203 MB / 0.545 GB Notification: Performance of Transformations before backend: time 1.035e-05/0.7268, allocations: 0 / 0.7179 GB, free: 5.203 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 105 * Number of variables: 105 Notification: Performance of Generate backend data structure: time 0.002123/0.7289, allocations: 1.049 MB / 0.7189 GB, free: 4.117 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.523e-05/0.729, allocations: 8.031 kB / 0.719 GB, free: 4.109 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001029/0.73, allocations: 147.4 kB / 0.7191 GB, free: 3.965 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001039/0.7311, allocations: 437.6 kB / 0.7195 GB, free: 3.512 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.481e-05/0.7311, allocations: 32.94 kB / 0.7195 GB, free: 3.477 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.269e-05/0.7312, allocations: 44 kB / 0.7196 GB, free: 3.434 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001232/0.7324, allocations: 0.5984 MB / 0.7202 GB, free: 2.797 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.801e-05/0.7324, allocations: 0 / 0.7202 GB, free: 2.797 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.739e-05/0.7325, allocations: 20 kB / 0.7202 GB, free: 2.777 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.944e-05/0.7325, allocations: 12 kB / 0.7202 GB, free: 2.766 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001007/0.7335, allocations: 483.6 kB / 0.7207 GB, free: 2.293 MB / 0.545 GB 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 0.003941/0.7375, allocations: 2.662 MB / 0.7233 GB, free: 15.42 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008176/0.7383, allocations: 323.5 kB / 0.7236 GB, free: 15.09 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003322/0.7386, allocations: 161.3 kB / 0.7237 GB, free: 14.93 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001069/0.7397, allocations: 406.5 kB / 0.7241 GB, free: 14.54 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.095e-05/0.7397, allocations: 42.84 kB / 0.7242 GB, free: 14.48 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=33): time 2.285e-06/0.7397, allocations: 3.938 kB / 0.7242 GB, free: 14.48 MB / 0.5606 GB Notification: Performance of matching and sorting (n=33): time 0.001868/0.7416, allocations: 0.6556 MB / 0.7248 GB, free: 13.82 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001156/0.7417, allocations: 132.5 kB / 0.7249 GB, free: 13.66 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006904/0.7424, allocations: 498.1 kB / 0.7254 GB, free: 13.16 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 5.272e-05/0.7425, allocations: 29.7 kB / 0.7254 GB, free: 13.12 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002606/0.7427, allocations: 296.2 kB / 0.7257 GB, free: 12.83 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001391/0.7429, allocations: 118.9 kB / 0.7258 GB, free: 12.71 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001695/0.743, allocations: 98.11 kB / 0.7259 GB, free: 12.61 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0002278/0.7433, allocations: 358.8 kB / 0.7263 GB, free: 12.25 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003498/0.7436, allocations: 152.8 kB / 0.7264 GB, free: 12.11 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004803/0.7441, allocations: 283.6 kB / 0.7267 GB, free: 11.77 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000839/0.7449, allocations: 444.7 kB / 0.7271 GB, free: 11.29 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.867e-06/0.7449, allocations: 0 / 0.7271 GB, free: 11.29 MB / 0.5606 GB Notification: Performance of matching and sorting (n=47) (initialization): time 0.001188/0.7461, allocations: 0.5332 MB / 0.7276 GB, free: 10.75 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 2.982e-05/0.7461, allocations: 17.12 kB / 0.7276 GB, free: 10.73 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.321e-05/0.7462, allocations: 4 kB / 0.7276 GB, free: 10.73 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001714/0.7479, allocations: 246.1 kB / 0.7279 GB, free: 10.48 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003937/0.7483, allocations: 103.9 kB / 0.728 GB, free: 10.38 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006343/0.7489, allocations: 0.5914 MB / 0.7286 GB, free: 9.766 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000391/0.7493, allocations: 51.61 kB / 0.7286 GB, free: 9.715 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.552e-05/0.7494, allocations: 48.06 kB / 0.7286 GB, free: 9.668 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * 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 (44): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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 {(1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0003549/0.7497, allocations: 177.7 kB / 0.7288 GB, free: 9.484 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001287/0.7499, allocations: 55.67 kB / 0.7289 GB, free: 9.43 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001651/0.7515, allocations: 0.7458 MB / 0.7296 GB, free: 8.664 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.716e-06/0.7515, allocations: 4 kB / 0.7296 GB, free: 8.66 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.694e-06/0.7515, allocations: 3.984 kB / 0.7296 GB, free: 8.656 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.811e-06/0.7515, allocations: 0 / 0.7296 GB, free: 8.656 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001817/0.7533, allocations: 1.01 MB / 0.7306 GB, free: 7.578 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.937e-06/0.7534, allocations: 0 / 0.7306 GB, free: 7.578 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002493/0.7536, allocations: 55.91 kB / 0.7306 GB, free: 7.523 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.003375/0.757, allocations: 448.3 kB / 0.7311 GB, free: 7.082 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.975e-05/0.757, allocations: 8 kB / 0.7311 GB, free: 7.074 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006137/0.7576, allocations: 0.6148 MB / 0.7317 GB, free: 6.434 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.455e-06/0.7576, allocations: 0 / 0.7317 GB, free: 6.434 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001025/0.7587, allocations: 0.5118 MB / 0.7322 GB, free: 5.887 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001734/0.7588, allocations: 67.48 kB / 0.7322 GB, free: 5.82 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001019/0.7589, allocations: 8 kB / 0.7323 GB, free: 5.812 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003312/0.7593, allocations: 16.67 kB / 0.7323 GB, free: 5.797 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.077e-05/0.7593, allocations: 31.89 kB / 0.7323 GB, free: 5.766 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.821e-05/0.7594, allocations: 15.98 kB / 0.7323 GB, free: 5.75 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.000612/0.76, allocations: 426.8 kB / 0.7327 GB, free: 5.336 MB / 0.5606 GB Notification: Performance of sort global known variables: time 9e-08/0.76, allocations: 0 / 0.7327 GB, free: 5.336 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.00107/0.7611, allocations: 331.1 kB / 0.733 GB, free: 5.012 MB / 0.5606 GB 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 (27): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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 {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001135/0.7622, allocations: 451.4 kB / 0.7335 GB, free: 4.566 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.001013/0.7632, allocations: 371.8 kB / 0.7338 GB, free: 4.203 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 4.538e-06/0.7632, allocations: 0 / 0.7338 GB, free: 4.203 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.0003963/0.7636, allocations: 153 kB / 0.734 GB, free: 4.055 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001752/0.7654, allocations: 369.8 kB / 0.7343 GB, free: 3.695 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001821/0.7672, allocations: 0.9206 MB / 0.7352 GB, free: 2.73 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006518/0.7678, allocations: 0.8596 MB / 0.7361 GB, free: 1.844 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.000733/0.7686, allocations: 201 kB / 0.7363 GB, free: 1.648 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000226/0.7688, allocations: 75.42 kB / 0.7363 GB, free: 1.578 MB / 0.5606 GB Notification: Performance of SimCode: time 1.503e-06/0.7688, allocations: 4 kB / 0.7363 GB, free: 1.574 MB / 0.5606 GB Notification: Performance of Templates: time 0.03425/0.803, allocations: 17.21 MB / 0.7531 GB, free: 400 kB / 0.5762 GB " [Timeout remaining time 659] make -j1 -f ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.makefile [Timeout 660] (rm -f ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.sim & ./ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.pipe 2>&1) [Timeout 480] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Fluid/TestComponents/NewFittings/Orifices/ThickEdgedOrifice/ThickEdgedOrifice.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.NewFittings.Orifices.ThickEdgedOrifice.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: 6.711087398929521]