Build (method = -2) #dp: 1184 Step-3' Graph: 12 vertices and 309 arcs (0.00s) Step-4' Graph: 12 vertices and 309 arcs (0.00s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.00s) Optimize a model with 112 rows, 310 columns and 919 nonzeros Presolve removed 73 rows and 164 columns Presolve time: 0.00s Presolved: 39 rows, 146 columns, 418 nonzeros Variable types: 0 continuous, 146 integer (11 binary) Found heuristic solution: objective 496.0000000 Optimize a model with 39 rows, 146 columns and 418 nonzeros Presolve removed 1 rows and 3 columns Presolved: 38 rows, 143 columns, 412 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.460e+02 Factor NZ : 6.240e+02 Factor Ops : 1.390e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.04384639e+03 -9.36754354e+02 3.24e+02 7.53e-02 1.63e+01 0s 1 5.24667712e+02 -1.76139611e+02 1.96e+01 8.88e-16 2.70e+00 0s 2 4.17259548e+02 2.92658603e+02 1.35e-02 1.11e-15 3.97e-01 0s 3 3.59271063e+02 3.50251793e+02 1.77e-04 1.32e-15 2.85e-02 0s 4 3.54611685e+02 3.54210687e+02 4.82e-06 1.22e-15 1.27e-03 0s 5 3.54502709e+02 3.54499743e+02 3.85e-08 9.99e-16 9.39e-06 0s 6 3.54500000e+02 3.54500000e+02 5.68e-14 1.16e-15 9.62e-12 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 3.54500000e+02 Root relaxation: objective 3.545000e+02, 46 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 354.50000 0 2 496.00000 354.50000 28.5% - 0s H 0 0 355.0000000 354.50000 0.14% - 0s Explored 0 nodes (66 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.550000000000e+02, best bound 3.550000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 355 Solution: 6 x [96] 4 x [93] 5 x [91] 8 x [90] 10 x [63] 2 x [62] 4 x [54] 2 x [31] 8 x [30] 7 x [21] 7 x [19] 7 x [15] 6 x [14] 4 x [98, 99] 3 x [89] 8 x [69] 6 x [43] 3 x [35] 7 x [28] 8 x [25] 5 x [22] 2 x [7, 53] 4 x [5, 61] 1 x [88, 92] 8 x [75, 88] 2 x [65] 7 x [65, 100] 10 x [64] 2 x [34, 55] 7 x [55, 87] 10 x [38, 51] 1 x [49] 5 x [16, 49] 2 x [44] 3 x [11, 33] 1 x [32] 4 x [17] 10 x [6, 9] 2 x [1] 6 x [1, 47] 4 x [57, 97] 10 x [76, 86] 7 x [52, 78] 3 x [46, 56] 1 x [48] 1 x [46, 48] 4 x [36, 46] 9 x [20, 59] 1 x [58, 85] 7 x [85, 94] 3 x [68, 82] 2 x [67, 80] 1 x [41, 60] 8 x [2, 60] 6 x [50, 66] 1 x [41, 45] 8 x [37, 45] 2 x [42, 73] 1 x [40, 41] 8 x [13, 40] 1 x [39, 84] 9 x [27, 39] 4 x [29, 79] 3 x [26, 58] 2 x [24] 3 x [24, 52] 7 x [23, 77] 1 x [4, 23] 6 x [10, 74] 1 x [4, 10] 5 x [72, 95] 4 x [18, 83] 1 x [70, 81] 2 x [70, 71] 6 x [8, 70] 1 x [12] 5 x [3, 12]