Build (method = -2) #dp: 270 Step-3' Graph: 29 vertices and 135 arcs (0.00s) Step-4' Graph: 19 vertices and 115 arcs (0.00s) #V4/#V3 = 0.66 #A4/#A3 = 0.85 Ready! (0.00s) Optimize a model with 39 rows, 116 columns and 317 nonzeros Presolve removed 10 rows and 12 columns Presolve time: 0.00s Presolved: 29 rows, 104 columns, 284 nonzeros Variable types: 0 continuous, 104 integer (0 binary) Found heuristic solution: objective 1947.0000000 Found heuristic solution: objective 1689.0000000 Optimize a model with 29 rows, 104 columns and 284 nonzeros Presolved: 29 rows, 104 columns, 284 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.240e+02 Factor NZ : 3.450e+02 Factor Ops : 5.135e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.69478405e+03 -1.50524747e+04 2.36e+04 2.22e-16 4.50e+02 0s 1 2.98374343e+03 -5.99048998e+03 2.82e+03 7.77e-16 7.23e+01 0s 2 1.66351070e+03 -2.82867589e+02 5.76e+01 1.83e-14 9.09e+00 0s 3 1.17129034e+03 5.64546761e+02 1.79e+00 5.11e-15 2.75e+00 0s 4 1.00574477e+03 8.78661498e+02 2.18e-01 7.77e-16 5.75e-01 0s 5 9.70025288e+02 9.45861700e+02 3.82e-02 3.32e-16 1.09e-01 0s 6 9.63230216e+02 9.62347743e+02 2.26e-03 2.22e-16 4.00e-03 0s 7 9.62834256e+02 9.62832958e+02 3.81e-06 3.33e-16 5.88e-06 0s 8 9.62833334e+02 9.62833333e+02 5.46e-12 4.03e-16 5.88e-09 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 9.62833334e+02 Root relaxation: objective 9.628333e+02, 24 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 962.83333 0 6 1689.00000 962.83333 43.0% - 0s H 0 0 963.0000000 962.83333 0.02% - 0s Explored 0 nodes (29 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 9.630000000000e+02, best bound 9.630000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 963 Solution: 41 x [5] 113 x [5, 15] 4 x [8] 54 x [8, 20] 89 x [8, 9] 20 x [6, 7] 30 x [13, 19] 68 x [16, 19] 4 x [13, 17] 96 x [3, 17] 8 x [1, 17] 140 x [10, 12] 1 x [12, 13] 84 x [2, 4] 1 x [11, 16] 49 x [11, 11] 42 x [2, 2] 32 x [1, 6, 16] 81 x [1, 6, 14] 5 x [6, 16, 18] 1 x [16, 16, 16]