Build (method = -2) #dp: 2047 Step-3' Graph: 64 vertices and 224 arcs (0.01s) Step-4' Graph: 34 vertices and 164 arcs (0.01s) #V4/#V3 = 0.53 #A4/#A3 = 0.73 Ready! (0.01s) Optimize a model with 105 rows, 165 columns and 432 nonzeros Presolve removed 47 rows and 52 columns Presolve time: 0.00s Presolved: 58 rows, 113 columns, 282 nonzeros Variable types: 0 continuous, 113 integer (0 binary) Found heuristic solution: objective 477.0000000 Found heuristic solution: objective 320.0000000 Optimize a model with 58 rows, 113 columns and 282 nonzeros Presolve removed 1 rows and 1 columns Presolved: 57 rows, 112 columns, 280 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.110e+02 Factor NZ : 8.740e+02 Factor Ops : 1.735e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.63981615e+03 -4.36903826e+03 4.10e+03 1.11e-16 9.81e+01 0s 1 1.25618884e+03 -1.05473996e+03 4.24e+02 4.44e-16 1.32e+01 0s 2 4.31900561e+02 1.49623802e+02 4.57e-02 1.33e-15 1.12e+00 0s 3 3.52249308e+02 2.62998946e+02 7.38e-04 3.33e-16 3.54e-01 0s 4 2.96085521e+02 2.87969162e+02 1.90e-05 3.33e-16 3.22e-02 0s 5 2.94601234e+02 2.93892699e+02 1.04e-06 5.55e-16 2.81e-03 0s 6 2.94557230e+02 2.94487150e+02 2.78e-08 6.66e-16 2.78e-04 0s 7 2.94500003e+02 2.94499899e+02 4.46e-11 4.44e-16 4.14e-07 0s 8 2.94500000e+02 2.94500000e+02 3.67e-11 4.44e-16 4.14e-10 0s 9 2.94500000e+02 2.94500000e+02 1.12e-11 3.88e-16 4.14e-13 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 2.94500000e+02 Root relaxation: objective 2.945000e+02, 55 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 294.50000 0 1 320.00000 294.50000 7.97% - 0s H 0 0 295.0000000 294.50000 0.17% - 0s Explored 0 nodes (55 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.950000000000e+02, best bound 2.950000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 295 Solution: 2 x [71] 6 x [70] 10 x [69] 6 x [68] 7 x [67] 2 x [66] 7 x [65] 4 x [64] 6 x [63] 8 x [62] 4 x [61] 3 x [1, 61] 13 x [60] 4 x [3, 59] 11 x [2, 58] 8 x [5, 57] 2 x [4, 57] 6 x [4, 56] 4 x [6, 55] 1 x [3, 55] 5 x [8, 54] 14 x [53] 8 x [10, 52] 2 x [9, 52] 2 x [9, 51] 7 x [7, 51] 2 x [12, 50] 4 x [11, 50] 1 x [9, 50] 1 x [8, 50] 7 x [13, 49] 3 x [14, 48] 10 x [12, 48] 4 x [14, 47] 4 x [16, 46] 1 x [13, 46] 6 x [17, 45] 9 x [15, 44] 1 x [19, 43] 8 x [18, 43] 7 x [20, 42] 1 x [13, 42] 1 x [21, 41] 6 x [19, 41] 4 x [22, 40] 5 x [23, 39] 6 x [24, 38] 1 x [21, 38] 1 x [25, 37] 2 x [23, 37] 3 x [22, 37] 4 x [26, 36] 7 x [25, 36] 6 x [27, 35] 2 x [26, 35] 7 x [28, 34] 5 x [29, 33] 2 x [28, 33] 6 x [30, 32] 5 x [31, 31] 1 x [28]