Build (method = -2) #dp: 951 Step-3' Graph: 35 vertices and 199 arcs (0.00s) Step-4' Graph: 31 vertices and 191 arcs (0.00s) #V4/#V3 = 0.89 #A4/#A3 = 0.96 Ready! (0.00s) Optimize a model with 102 rows, 192 columns and 520 nonzeros Presolve removed 55 rows and 61 columns Presolve time: 0.00s Presolved: 47 rows, 131 columns, 343 nonzeros Variable types: 0 continuous, 131 integer (0 binary) Found heuristic solution: objective 470.0000000 Found heuristic solution: objective 440.0000000 Optimize a model with 47 rows, 131 columns and 343 nonzeros Presolve removed 1 rows and 1 columns Presolved: 46 rows, 130 columns, 341 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.440e+02 Factor NZ : 5.490e+02 Factor Ops : 7.991e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.52579508e+03 -3.45793234e+03 5.05e+03 2.22e-16 8.40e+01 0s 1 8.39704871e+02 -9.75892523e+02 5.70e+02 6.66e-16 1.20e+01 0s 2 4.71199344e+02 1.39768098e+02 2.63e-13 1.09e-14 1.19e+00 0s 3 4.12902363e+02 3.05495048e+02 5.68e-14 2.22e-15 3.85e-01 0s 4 3.69973729e+02 3.51011253e+02 2.84e-13 7.22e-16 6.80e-02 0s 5 3.62454875e+02 3.58425526e+02 1.19e-13 5.55e-16 1.44e-02 0s 6 3.60126206e+02 3.59827823e+02 5.77e-14 6.35e-16 1.07e-03 0s 7 3.60000195e+02 3.59999780e+02 8.53e-14 5.55e-16 1.49e-06 0s 8 3.60000000e+02 3.60000000e+02 1.71e-12 5.55e-16 1.49e-09 0s 9 3.60000000e+02 3.60000000e+02 1.14e-13 5.94e-16 1.63e-15 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 3.60000000e+02 Root relaxation: objective 3.600000e+02, 44 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 360.0000000 360.00000 0.0% - 0s Explored 0 nodes (44 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.600000000000e+02, best bound 3.600000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 360 Solution: 7 x [71] 5 x [70] 9 x [69] 4 x [68] 4 x [67] 8 x [66] 14 x [65] 6 x [64] 6 x [63] 7 x [62] 12 x [61] 5 x [60] 7 x [59] 11 x [58] 8 x [57] 10 x [56] 1 x [55] 6 x [54] 7 x [53] 5 x [52] 10 x [51] 6 x [50] 6 x [49] 6 x [48] 3 x [47] 5 x [46] 6 x [45] 9 x [44] 10 x [43] 9 x [42] 8 x [41] 5 x [1, 40] 11 x [3, 39] 1 x [3, 38] 8 x [2, 38] 7 x [5, 37] 7 x [4, 36] 4 x [6, 35] 1 x [5, 35] 6 x [7, 34] 7 x [8, 33] 3 x [9, 32] 3 x [1, 32] 7 x [10, 31] 8 x [12, 30] 4 x [13, 29] 7 x [14, 28] 8 x [11, 27] 9 x [15, 26] 4 x [17, 25] 3 x [16, 25] 2 x [15, 25] 1 x [10, 25] 2 x [7, 25] 5 x [18, 24] 4 x [19, 23] 2 x [18, 23] 5 x [20, 22] 2 x [18, 21] 4 x [21, 21]