Build (method = -2) #dp: 164 Step-3' Graph: 27 vertices and 102 arcs (0.00s) Step-4' Graph: 21 vertices and 90 arcs (0.00s) #V4/#V3 = 0.78 #A4/#A3 = 0.88 Ready! (0.00s) Optimize a model with 31 rows, 91 columns and 240 nonzeros Presolve removed 5 rows and 6 columns Presolve time: 0.00s Presolved: 26 rows, 85 columns, 226 nonzeros Variable types: 0 continuous, 85 integer (0 binary) Found heuristic solution: objective 926.0000000 Found heuristic solution: objective 725.0000000 Optimize a model with 26 rows, 85 columns and 226 nonzeros Presolved: 26 rows, 85 columns, 226 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.230e+02 Factor NZ : 2.870e+02 Factor Ops : 3.833e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.05923090e+03 -7.23881226e+03 8.09e+03 2.22e-16 2.49e+02 0s 1 1.20555184e+03 -2.66855845e+03 6.17e+02 3.33e-16 3.23e+01 0s 2 6.71074115e+02 -6.34396047e+02 9.36e+00 4.44e-16 7.41e+00 0s 3 4.90169489e+02 9.53206024e+01 9.06e-01 2.22e-16 2.22e+00 0s 4 4.14412597e+02 2.08375225e+02 8.70e-02 2.22e-16 1.16e+00 0s 5 3.96484283e+02 3.27485098e+02 2.82e-02 1.72e-16 3.88e-01 0s 6 3.86719794e+02 3.68758360e+02 6.70e-03 1.11e-16 1.01e-01 0s 7 3.84672618e+02 3.78490006e+02 1.64e-03 2.22e-16 3.47e-02 0s 8 3.83365240e+02 3.82640066e+02 8.84e-05 2.22e-16 4.07e-03 0s 9 3.83246909e+02 3.83174444e+02 6.63e-06 1.24e-16 4.07e-04 0s 10 3.83230800e+02 3.83230712e+02 9.55e-12 2.17e-16 4.98e-07 0s 11 3.83230769e+02 3.83230769e+02 5.54e-12 3.33e-16 5.01e-13 0s Barrier solved model in 11 iterations and 0.00 seconds Optimal objective 3.83230769e+02 Root relaxation: objective 3.832308e+02, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 383.23077 0 11 725.00000 383.23077 47.1% - 0s H 0 0 384.0000000 383.23077 0.20% - 0s Explored 0 nodes (13 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.840000000000e+02, best bound 3.840000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 384 Solution: 39 x [1, 9] 61 x [2, 6] 102 x [2, 8] 2 x [1, 2, 3] 14 x [2, 5, 5] 11 x [3, 3, 3, 3, 6] 19 x [1, 8, 8] 105 x [4, 7, 10] 3 x [3, 3, 7, 10] 27 x [3, 3, 7, 7] 1 x [1]