Build (method = -2) #dp: 9155 Step-3' Graph: 134 vertices and 1274 arcs (0.03s) Step-4' Graph: 101 vertices and 1208 arcs (0.03s) #V4/#V3 = 0.75 #A4/#A3 = 0.95 Ready! (0.03s) Optimize a model with 201 rows, 1209 columns and 3431 nonzeros Presolve removed 59 rows and 90 columns Presolve time: 0.02s Presolved: 142 rows, 1119 columns, 3191 nonzeros Variable types: 0 continuous, 1119 integer (12 binary) Found heuristic solution: objective 451.0000000 Found heuristic solution: objective 385.0000000 Optimize a model with 142 rows, 1119 columns and 3191 nonzeros Presolved: 142 rows, 1119 columns, 3191 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.579e+03 Factor NZ : 4.755e+03 Factor Ops : 1.940e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.35102344e+03 -4.17618542e+04 2.56e+04 2.05e-01 1.18e+02 0s 1 2.48339129e+03 -8.87769484e+03 4.60e+03 7.77e-16 2.09e+01 0s 2 7.48068536e+02 -2.85877065e+03 6.38e+02 2.07e-14 3.54e+00 0s 3 4.46841912e+02 -8.64528471e+02 1.55e+01 5.23e-14 6.05e-01 0s 4 3.93872073e+02 -4.24692025e+02 1.10e+00 3.02e-14 3.60e-01 0s 5 3.51335510e+02 -1.75129165e+02 6.89e-01 1.83e-14 2.31e-01 0s 6 3.13655412e+02 7.90760780e+01 2.89e-01 7.11e-15 1.03e-01 0s 7 2.97858206e+02 1.64628923e+02 1.54e-01 3.33e-15 5.84e-02 0s 8 2.75505580e+02 2.15380551e+02 2.97e-02 1.22e-15 2.63e-02 0s 9 2.67040961e+02 2.43079146e+02 9.38e-03 5.55e-16 1.05e-02 0s 10 2.62467504e+02 2.56925989e+02 1.31e-03 3.33e-16 2.43e-03 0s 11 2.62095443e+02 2.61628138e+02 2.11e-05 2.22e-16 2.05e-04 0s 12 2.62000100e+02 2.61999404e+02 4.96e-13 2.41e-16 3.05e-07 0s 13 2.62000000e+02 2.62000000e+02 4.55e-13 3.33e-16 3.06e-13 0s Barrier solved model in 13 iterations and 0.02 seconds Optimal objective 2.62000000e+02 Root relaxation: objective 2.620000e+02, 604 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 262.0000000 262.00000 0.0% - 0s Explored 0 nodes (604 simplex iterations) in 0.06 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.620000000000e+02, best bound 2.620000000000e+02, gap 0.0% Preprocessing time: 0.04 seconds Gurobi run time: 0.06 seconds Total run time: 0.10 seconds Objective: 262 Solution: 6 x [100] 7 x [99] 1 x [98] 3 x [2, 98] 3 x [1, 98] 6 x [3, 97] 1 x [96] 2 x [3, 96] 1 x [95] 2 x [94] 4 x [7, 93] 3 x [5, 93] 5 x [92] 1 x [6, 92] 6 x [91] 1 x [4, 91] 1 x [90] 2 x [10, 90] 4 x [9, 90] 4 x [8, 90] 3 x [11, 89] 3 x [11, 88] 1 x [87] 1 x [11, 87] 3 x [14, 86] 1 x [12, 86] 5 x [15, 85] 6 x [16, 84] 1 x [17, 83] 2 x [15, 83] 5 x [18, 82] 2 x [17, 81] 6 x [19, 80] 4 x [20, 79] 3 x [12, 78] 1 x [7, 12, 78] 1 x [77] 3 x [23, 77] 2 x [22, 77] 3 x [21, 77] 4 x [24, 76] 1 x [21, 76] 5 x [25, 75] 1 x [14, 75] 3 x [26, 74] 3 x [26, 73] 1 x [20, 73] 2 x [27, 72] 5 x [26, 72] 3 x [28, 71] 5 x [30, 70] 3 x [31, 69] 4 x [30, 68] 3 x [33, 67] 2 x [32, 67] 2 x [34, 66] 3 x [32, 66] 6 x [35, 65] 1 x [28, 65] 5 x [36, 64] 1 x [12, 22, 64] 2 x [37, 63] 2 x [35, 63] 2 x [13, 22, 63] 1 x [12, 22, 63] 3 x [38, 62] 5 x [37, 62] 2 x [29, 62] 5 x [39, 61] 1 x [38, 61] 6 x [40, 60] 3 x [4, 36, 60] 8 x [41, 59] 2 x [42, 58] 3 x [43, 57] 5 x [44, 56] 4 x [44, 55] 1 x [43, 55] 5 x [46, 54] 2 x [45, 53] 4 x [47, 52] 4 x [49, 51] 1 x [48, 50] 3 x [48, 49] 2 x [43, 49] 2 x [47, 48] 1 x [45, 47] 1 x [42, 43]