Build (method = -2) #dp: 765 Step-3' Graph: 138 vertices and 407 arcs (0.00s) Step-4' Graph: 62 vertices and 255 arcs (0.00s) #V4/#V3 = 0.45 #A4/#A3 = 0.63 Ready! (0.00s) Optimize a model with 102 rows, 256 columns and 648 nonzeros Presolve removed 35 rows and 46 columns Presolve time: 0.00s Presolved: 67 rows, 210 columns, 531 nonzeros Variable types: 0 continuous, 210 integer (0 binary) Found heuristic solution: objective 1611.0000000 Optimize a model with 67 rows, 210 columns and 531 nonzeros Presolved: 67 rows, 210 columns, 531 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.580e+02 Factor NZ : 1.234e+03 Factor Ops : 2.625e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.13802273e+03 -2.01408623e+04 2.02e+04 1.11e-16 2.41e+02 0s 1 2.33851638e+03 -6.63966339e+03 3.11e+03 7.77e-16 4.45e+01 0s 2 1.77894544e+03 -1.19201522e+03 1.49e+02 1.20e-14 7.67e+00 0s 3 1.61625488e+03 2.41336326e+02 1.55e+01 5.33e-15 3.24e+00 0s 4 1.52636744e+03 1.18352894e+03 2.75e-01 3.33e-16 7.96e-01 0s 5 1.50741488e+03 1.44927993e+03 1.23e-01 3.68e-16 1.35e-01 0s 6 1.49803361e+03 1.49576834e+03 1.44e-02 4.03e-16 5.27e-03 0s 7 1.49700036e+03 1.49699919e+03 3.69e-06 3.34e-16 2.72e-06 0s 8 1.49700000e+03 1.49700000e+03 4.55e-13 2.64e-16 2.72e-09 0s 9 1.49700000e+03 1.49700000e+03 2.27e-13 3.31e-16 9.25e-15 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 1.49700000e+03 Root relaxation: objective 1.497000e+03, 136 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 1497.0000000 1497.00000 0.0% - 0s Explored 0 nodes (136 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.497000000000e+03, best bound 1.497000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 1497 Solution: 4 x [1, 16] 40 x [34] 49 x [14] 19 x [15] 66 x [27] 8 x [13] 32 x [5] 46 x [4] 5 x [16, 39] 66 x [3] 78 x [28, 35] 36 x [7] 8 x [7, 40] 98 x [10] 72 x [12] 46 x [6] 81 x [9, 19] 14 x [33] 54 x [11, 33] 6 x [16, 33] 100 x [17] 5 x [16, 25] 80 x [32] 4 x [2, 32] 8 x [16, 32] 7 x [20] 46 x [29] 12 x [29, 36] 4 x [16, 29] 65 x [24] 8 x [16, 21, 24] 14 x [19, 24, 28] 2 x [24, 28] 6 x [16, 24] 70 x [23, 30] 12 x [26] 22 x [18, 26, 30] 50 x [21, 26] 4 x [16, 26] 8 x [8] 7 x [8, 16] 72 x [22, 37] 20 x [21, 37, 38] 3 x [16, 21, 37] 1 x [16, 37] 27 x [31] 12 x [16, 31]