Build (method = -2) #dp: 5184 Step-3' Graph: 150 vertices and 467 arcs (0.02s) Step-4' Graph: 29 vertices and 225 arcs (0.02s) #V4/#V3 = 0.19 #A4/#A3 = 0.48 Ready! (0.02s) Optimize a model with 128 rows, 226 columns and 625 nonzeros Presolve removed 31 rows and 33 columns Presolve time: 0.00s Presolved: 97 rows, 193 columns, 527 nonzeros Variable types: 0 continuous, 193 integer (1 binary) Found heuristic solution: objective 492.0000000 Found heuristic solution: objective 268.0000000 Optimize a model with 97 rows, 193 columns and 527 nonzeros Presolve removed 1 rows and 1 columns Presolved: 96 rows, 192 columns, 525 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.890e+02 Factor NZ : 1.097e+03 Factor Ops : 2.115e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.90032655e+03 -6.76678181e+03 8.72e+02 0.00e+00 1.11e+02 0s 1 1.71778566e+03 -2.34765430e+03 1.31e+02 8.88e-16 1.85e+01 0s 2 3.62410543e+02 -3.93209042e+02 1.67e-13 8.79e-14 1.66e+00 0s 3 2.90751268e+02 1.53637692e+02 4.10e-13 1.13e-14 3.02e-01 0s 4 2.50413771e+02 2.43889659e+02 2.56e-13 5.97e-16 1.44e-02 0s 5 2.50000021e+02 2.49999475e+02 4.71e-13 5.55e-16 1.20e-06 0s 6 2.50000000e+02 2.50000000e+02 1.92e-13 5.84e-16 1.21e-12 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 2.50000000e+02 Root relaxation: objective 2.500000e+02, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 250.0000000 250.00000 0.0% - 0s Explored 0 nodes (100 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.500000000000e+02, best bound 2.500000000000e+02, gap 0.0% Preprocessing time: 0.04 seconds Gurobi run time: 0.01 seconds Total run time: 0.04 seconds Objective: 250 Solution: 5 x [46, 99] 3 x [26, 98] 2 x [10, 97] 4 x [30, 96] 4 x [22, 95] 4 x [16, 94] 7 x [13, 93] 1 x [53, 92] 1 x [33, 92] 5 x [31, 91] 6 x [58, 90] 4 x [7, 89] 6 x [45, 88] 6 x [44, 87] 4 x [4, 86] 7 x [9, 85] 4 x [3, 84] 5 x [28, 83] 12 x [23, 82] 4 x [1, 81] 2 x [61, 80] 1 x [16, 80] 3 x [60, 79] 1 x [11, 79] 1 x [70, 78] 2 x [15, 78] 6 x [70, 77] 6 x [72, 76] 5 x [27, 75] 3 x [72, 74] 1 x [7, 74] 2 x [71, 73] 1 x [8, 73] 3 x [37, 69] 1 x [9, 69] 2 x [40, 68] 1 x [14, 68] 2 x [62, 67] 1 x [17, 67] 1 x [22, 66] 8 x [21, 66] 8 x [19, 65] 1 x [23, 64] 6 x [36, 63] 1 x [35, 59] 1 x [29, 59] 4 x [8, 57] 4 x [12, 56] 6 x [50, 55] 3 x [3, 54] 7 x [17, 53] 3 x [6, 52] 4 x [34, 51] 6 x [20, 49] 4 x [42, 48] 4 x [38, 47] 4 x [18, 43] 9 x [24, 41] 5 x [32, 39] 9 x [5, 35] 5 x [25, 33] 9 x [2, 29]