Build (method = -2) #dp: 1785 Step-3' Graph: 198 vertices and 587 arcs (0.01s) Step-4' Graph: 54 vertices and 299 arcs (0.01s) #V4/#V3 = 0.27 #A4/#A3 = 0.51 Ready! (0.01s) Optimize a model with 154 rows, 300 columns and 796 nonzeros Presolve removed 92 rows and 95 columns Presolve time: 0.00s Presolved: 62 rows, 205 columns, 517 nonzeros Variable types: 0 continuous, 205 integer (0 binary) Found heuristic solution: objective 6345.0000000 Found heuristic solution: objective 6020.0000000 Optimize a model with 62 rows, 205 columns and 517 nonzeros Presolved: 62 rows, 205 columns, 517 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.580e+02 Factor NZ : 1.038e+03 Factor Ops : 2.075e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.12514795e+04 -3.95281507e+04 3.15e+04 2.22e-16 4.93e+02 0s 1 7.21373913e+03 -1.14314530e+04 3.53e+03 4.44e-16 8.05e+01 0s 2 6.22638113e+03 1.60835773e+02 1.05e+02 9.55e-15 1.51e+01 0s 3 5.98731809e+03 4.66574496e+03 8.00e+00 1.55e-15 3.16e+00 0s 4 5.86530037e+03 5.78091394e+03 2.40e-03 3.33e-16 2.00e-01 0s 5 5.85891258e+03 5.85453663e+03 3.20e-04 2.22e-16 1.04e-02 0s 6 5.85800194e+03 5.85799210e+03 4.21e-07 1.80e-16 2.34e-05 0s 7 5.85800000e+03 5.85800000e+03 2.73e-12 3.33e-16 2.36e-11 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 5.85800000e+03 Root relaxation: objective 5.858000e+03, 139 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 5858.0000000 5858.00000 0.0% - 0s Explored 0 nodes (139 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.858000000000e+03, best bound 5.858000000000e+03, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 5858 Solution: 48 x [35] 55 x [42] 88 x [43] 52 x [69] 42 x [77] 91 x [90] 57 x [28] 75 x [51] 71 x [56] 54 x [27] 80 x [48] 61 x [61] 61 x [41] 27 x [65, 76] 59 x [74] 71 x [71] 77 x [98] 70 x [31] 45 x [47] 5 x [47, 89] 77 x [85] 91 x [86] 27 x [14] 3 x [21, 62] 86 x [40] 100 x [7] 58 x [59] 76 x [8] 69 x [22, 89] 63 x [66] 93 x [72] 53 x [81] 75 x [5] 57 x [19] 59 x [30] 55 x [100] 18 x [63] 96 x [68] 55 x [70] 95 x [38] 58 x [93] 89 x [32] 67 x [45] 58 x [91] 67 x [18] 82 x [36] 88 x [67] 86 x [49] 74 x [80] 81 x [6] 16 x [17] 37 x [39] 64 x [58] 50 x [11] 7 x [11, 54] 77 x [15] 64 x [4] 66 x [97] 88 x [24] 77 x [9] 66 x [37] 76 x [2] 86 x [1] 21 x [79] 57 x [84] 23 x [88] 28 x [46, 88] 1 x [12] 98 x [12, 34] 65 x [75] 61 x [50] 21 x [73] 71 x [73, 92] 74 x [78] 54 x [3] 50 x [25] 84 x [60] 53 x [94] 61 x [95] 91 x [13] 31 x [44] 19 x [44, 76] 2 x [44, 62] 60 x [55] 57 x [57] 50 x [23] 67 x [87] 80 x [20] 75 x [53, 99] 62 x [16] 21 x [16, 62, 76] 5 x [26] 79 x [26, 52] 83 x [33] 60 x [29] 2 x [82, 96] 72 x [64, 96] 2 x [53, 96] 3 x [10] 89 x [10, 83] 7 x [10, 62]