Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47.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 0.0007644/0.0007644, allocations: 79.75 kB / 21.74 MB, free: 2.5 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 0.0008715/0.0008715, allocations: 169 kB / 25.18 MB, free: 9.098 MB / 18.57 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 0.9915/0.9915, allocations: 177.1 MB / 205.6 MB, free: 5.023 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 2.072/2.072, allocations: 389.6 MB / 0.6364 GB, free: 12.2 MB / 0.6042 GB " [Timeout remaining time 177] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/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(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47") translateModel(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.184e-06/2.184e-06, allocations: 0 / 0.7755 GB, free: 5.969 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.857e-05/3.076e-05, allocations: 2.844 kB / 0.7755 GB, free: 5.965 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47): time 0.01032/0.01035, allocations: 10.15 MB / 0.7855 GB, free: 11.82 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.006819/0.01717, allocations: 3.671 MB / 0.789 GB, free: 8.176 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001268/0.01844, allocations: 51.56 kB / 0.7891 GB, free: 8.125 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.0008797/0.01932, allocations: 226.3 kB / 0.7893 GB, free: 7.902 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.003912/0.02323, allocations: 1.471 MB / 0.7907 GB, free: 6.434 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.001882/0.02511, allocations: 0.9007 MB / 0.7916 GB, free: 5.535 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.002951/0.02806, allocations: 2.233 MB / 0.7938 GB, free: 3.297 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001304/0.02937, allocations: 0.551 MB / 0.7943 GB, free: 2.746 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003496/0.03286, allocations: 2.065 MB / 0.7964 GB, free: 0.7148 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001192/0.03405, allocations: 0.5029 MB / 0.7969 GB, free: 216 kB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.0001473/0.0342, allocations: 57.22 kB / 0.7969 GB, free: 160 kB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001858/0.03606, allocations: 0.8459 MB / 0.7977 GB, free: 15.31 MB / 0.7605 GB Notification: Performance of NFScalarize.scalarize: time 0.0002127/0.03627, allocations: 199.1 kB / 0.7979 GB, free: 15.11 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.0004198/0.03669, allocations: 264.1 kB / 0.7982 GB, free: 14.86 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.002327/0.03902, allocations: 1.083 MB / 0.7992 GB, free: 13.77 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 6.362e-06/0.03903, allocations: 1 kB / 0.7992 GB, free: 13.77 MB / 0.7605 GB Notification: Performance of FrontEnd: time 1.282e-06/0.03903, allocations: 0 / 0.7992 GB, free: 13.77 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 1.171e-05/0.03904, allocations: 1.062 kB / 0.7992 GB, free: 13.77 MB / 0.7605 GB 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 0.001255/0.04029, allocations: 0.9896 MB / 0.8002 GB, free: 12.75 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 4.824e-05/0.04034, allocations: 13.34 kB / 0.8002 GB, free: 12.74 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006243/0.04097, allocations: 189.3 kB / 0.8004 GB, free: 12.56 MB / 0.7605 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008083/0.04178, allocations: 0.503 MB / 0.8009 GB, free: 12.04 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.062e-05/0.04181, allocations: 38.03 kB / 0.8009 GB, free: 12 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.948e-05/0.04187, allocations: 48 kB / 0.801 GB, free: 11.95 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004633/0.04233, allocations: 0.5213 MB / 0.8015 GB, free: 11.36 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.641e-05/0.04235, allocations: 0 / 0.8015 GB, free: 11.36 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.237e-05/0.04238, allocations: 20.81 kB / 0.8015 GB, free: 11.34 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.089e-05/0.04239, allocations: 19.94 kB / 0.8015 GB, free: 11.32 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001779/0.04257, allocations: 139 kB / 0.8016 GB, free: 11.19 MB / 0.7605 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 0.001755/0.04432, allocations: 1.555 MB / 0.8032 GB, free: 9.586 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002276/0.04455, allocations: 205.6 kB / 0.8034 GB, free: 9.375 MB / 0.7605 GB Notification: Performance of preOpt resolveLoops (simulation): time 6.151e-05/0.04461, allocations: 59.59 kB / 0.8034 GB, free: 9.312 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001568/0.04477, allocations: 51.95 kB / 0.8035 GB, free: 9.262 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.916e-05/0.0448, allocations: 42.55 kB / 0.8035 GB, free: 9.211 MB / 0.7605 GB Notification: Performance of pre-optimization done (n=31): time 2.274e-06/0.0448, allocations: 0 / 0.8035 GB, free: 9.211 MB / 0.7605 GB Notification: Performance of matching and sorting (n=43): time 0.002572/0.04737, allocations: 1.128 MB / 0.8046 GB, free: 8.055 MB / 0.7605 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.671e-05/0.04741, allocations: 59.41 kB / 0.8047 GB, free: 7.984 MB / 0.7605 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003603/0.04777, allocations: 449.4 kB / 0.8051 GB, free: 7.531 MB / 0.7605 GB Notification: Performance of collectPreVariables (initialization): time 3.188e-05/0.0478, allocations: 38.52 kB / 0.8051 GB, free: 7.488 MB / 0.7605 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001403/0.04794, allocations: 266.1 kB / 0.8054 GB, free: 7.219 MB / 0.7605 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001074/0.04805, allocations: 163.5 kB / 0.8055 GB, free: 7.059 MB / 0.7605 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001128/0.04816, allocations: 90.11 kB / 0.8056 GB, free: 6.965 MB / 0.7605 GB Notification: Performance of setup shared object (initialization): time 0.0002987/0.04846, allocations: 374.6 kB / 0.806 GB, free: 6.59 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization): time 8.499e-05/0.04854, allocations: 54.55 kB / 0.806 GB, free: 6.535 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001533/0.0487, allocations: 243.2 kB / 0.8063 GB, free: 6.234 MB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002292/0.04893, allocations: 254.2 kB / 0.8065 GB, free: 5.949 MB / 0.7605 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.635e-06/0.04893, allocations: 0 / 0.8065 GB, free: 5.949 MB / 0.7605 GB Notification: Performance of matching and sorting (n=57) (initialization): time 0.0004436/0.04937, allocations: 319.2 kB / 0.8068 GB, free: 5.625 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.982e-05/0.04939, allocations: 4 kB / 0.8068 GB, free: 5.621 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.096e-05/0.0494, allocations: 9.25 kB / 0.8068 GB, free: 5.613 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004577/0.04986, allocations: 137 kB / 0.807 GB, free: 5.473 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001699/0.05003, allocations: 76.8 kB / 0.807 GB, free: 5.398 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007122/0.05074, allocations: 1.148 MB / 0.8082 GB, free: 4.195 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000263/0.05101, allocations: 15.95 kB / 0.8082 GB, free: 4.18 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.972e-05/0.05104, allocations: 16 kB / 0.8082 GB, free: 4.164 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001724/0.05121, allocations: 142.8 kB / 0.8083 GB, free: 4.02 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000157/0.05137, allocations: 240.5 kB / 0.8085 GB, free: 3.719 MB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002239/0.05159, allocations: 250.5 kB / 0.8088 GB, free: 3.438 MB / 0.7605 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.845e-06/0.05159, allocations: 4 kB / 0.8088 GB, free: 3.434 MB / 0.7605 GB Notification: Performance of matching and sorting (n=57) (initialization_lambda0): time 0.0003731/0.05197, allocations: 318.9 kB / 0.8091 GB, free: 3.109 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.162e-05/0.05198, allocations: 11.94 kB / 0.8091 GB, free: 3.098 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.426e-06/0.05198, allocations: 0.7188 kB / 0.8091 GB, free: 3.098 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003481/0.05233, allocations: 137.7 kB / 0.8092 GB, free: 2.957 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000141/0.05247, allocations: 77 kB / 0.8093 GB, free: 2.883 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005435/0.05301, allocations: 1.14 MB / 0.8104 GB, free: 1.688 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002338/0.05325, allocations: 16 kB / 0.8104 GB, free: 1.672 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.932e-05/0.05328, allocations: 25.14 kB / 0.8105 GB, free: 1.648 MB / 0.7605 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * 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 (41): * Single equations (assignments): 39 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,8), (1,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0001543/0.05343, allocations: 204.1 kB / 0.8107 GB, free: 1.441 MB / 0.7605 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.458e-05/0.05351, allocations: 48.67 kB / 0.8107 GB, free: 1.395 MB / 0.7605 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005832/0.05409, allocations: 365.4 kB / 0.8111 GB, free: 1.027 MB / 0.7605 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.967e-06/0.0541, allocations: 4.594 kB / 0.8111 GB, free: 1.023 MB / 0.7605 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.945e-06/0.0541, allocations: 3.984 kB / 0.8111 GB, free: 1.02 MB / 0.7605 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0003122/0.05441, allocations: 407.6 kB / 0.8115 GB, free: 0.5664 MB / 0.7605 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001097/0.05551, allocations: 0.7903 MB / 0.8122 GB, free: 15.74 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.448e-06/0.05552, allocations: 3.984 kB / 0.8122 GB, free: 15.73 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001279/0.05565, allocations: 55.91 kB / 0.8123 GB, free: 15.68 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004858/0.05613, allocations: 155.3 kB / 0.8124 GB, free: 15.52 MB / 0.7761 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.414e-05/0.05616, allocations: 12 kB / 0.8124 GB, free: 15.51 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007103/0.05687, allocations: 1.141 MB / 0.8136 GB, free: 14.32 MB / 0.7761 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.863e-06/0.05687, allocations: 0 / 0.8136 GB, free: 14.32 MB / 0.7761 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006097/0.05748, allocations: 0.5244 MB / 0.8141 GB, free: 13.77 MB / 0.7761 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001841/0.05766, allocations: 71.59 kB / 0.8141 GB, free: 13.7 MB / 0.7761 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.473e-05/0.05771, allocations: 15.47 kB / 0.8141 GB, free: 13.68 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001722/0.05788, allocations: 15.94 kB / 0.8142 GB, free: 13.67 MB / 0.7761 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.822e-05/0.05792, allocations: 31.91 kB / 0.8142 GB, free: 13.64 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.067e-05/0.05795, allocations: 15.98 kB / 0.8142 GB, free: 13.62 MB / 0.7761 GB Notification: Performance of sorting global known variables: time 0.0001836/0.05813, allocations: 192.4 kB / 0.8144 GB, free: 13.43 MB / 0.7761 GB Notification: Performance of sort global known variables: time 6e-08/0.05813, allocations: 0 / 0.8144 GB, free: 13.43 MB / 0.7761 GB Notification: Performance of remove unused functions: time 0.0008311/0.05896, allocations: 391.5 kB / 0.8148 GB, free: 13.05 MB / 0.7761 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 2 (vol.dynBal.medium.T,vol1.dynBal.medium.T) * 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 (30): * Single equations (assignments): 27 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,7), (2,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005852/0.05955, allocations: 301.4 kB / 0.8151 GB, free: 12.75 MB / 0.7761 GB Notification: Performance of simCode: created initialization part: time 0.0007548/0.0603, allocations: 397.8 kB / 0.8154 GB, free: 12.37 MB / 0.7761 GB Notification: Performance of simCode: created event and clocks part: time 1.254e-05/0.06032, allocations: 4 kB / 0.8154 GB, free: 12.36 MB / 0.7761 GB Notification: Performance of simCode: created simulation system equations: time 0.0002061/0.06052, allocations: 164.5 kB / 0.8156 GB, free: 12.2 MB / 0.7761 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009659/0.06149, allocations: 334.2 kB / 0.8159 GB, free: 11.89 MB / 0.7761 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001824/0.06331, allocations: 1.074 MB / 0.817 GB, free: 10.78 MB / 0.7761 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002222/0.06353, allocations: 297.5 kB / 0.8172 GB, free: 10.46 MB / 0.7761 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006094/0.06414, allocations: 269.1 kB / 0.8175 GB, free: 10.2 MB / 0.7761 GB Notification: Performance of SimCode: time 1.653e-06/0.06415, allocations: 0 / 0.8175 GB, free: 10.2 MB / 0.7761 GB Notification: Performance of Templates: time 0.01738/0.08153, allocations: 16.61 MB / 0.8337 GB, free: 9.652 MB / 0.7917 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47.pipe ; mkfifo Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47.pipe >> ../files/Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47.sim & ./Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47 > Buildings_13_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesGlycol47.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 7.002544236369431]