Build (method = -2) #dp: 5090 Step-3' Graph: 148 vertices and 461 arcs (0.03s) Step-4' Graph: 29 vertices and 223 arcs (0.03s) #V4/#V3 = 0.20 #A4/#A3 = 0.48 Ready! (0.03s) Optimize a model with 127 rows, 224 columns and 619 nonzeros Presolve removed 31 rows and 32 columns Presolve time: 0.00s Presolved: 96 rows, 192 columns, 524 nonzeros Variable types: 0 continuous, 192 integer (3 binary) Found heuristic solution: objective 489.0000000 Found heuristic solution: objective 273.0000000 Optimize a model with 96 rows, 192 columns and 524 nonzeros Presolve removed 1 rows and 1 columns Presolved: 95 rows, 191 columns, 522 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.870e+02 Factor NZ : 1.094e+03 Factor Ops : 2.114e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.09821725e+04 -7.56246082e+03 1.31e+03 2.22e-16 1.74e+02 0s 1 2.48051036e+03 -2.73559982e+03 1.86e+02 1.33e-15 2.68e+01 0s 2 4.10778926e+02 -5.60228019e+02 3.79e+00 4.44e-15 2.37e+00 0s 3 3.01182163e+02 9.00476229e+01 4.33e-03 1.55e-15 4.68e-01 0s 4 2.51947977e+02 2.33038691e+02 6.40e-05 4.44e-16 4.19e-02 0s 5 2.50003072e+02 2.49983558e+02 1.33e-07 4.44e-16 4.33e-05 0s 6 2.50000000e+02 2.50000000e+02 4.77e-13 4.44e-16 4.34e-11 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 2.50000000e+02 Root relaxation: objective 2.500000e+02, 104 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 (104 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: 0.05 seconds Objective: 250 Solution: 4 x [42, 98] 3 x [46, 97] 7 x [40, 96] 3 x [37, 95] 5 x [51, 94] 5 x [49, 93] 2 x [44, 92] 4 x [20, 91] 4 x [11, 90] 1 x [9, 89] 2 x [4, 88] 6 x [58, 87] 2 x [3, 86] 9 x [15, 85] 3 x [22, 84] 6 x [13, 83] 9 x [10, 82] 3 x [11, 81] 5 x [19, 80] 7 x [33, 79] 6 x [12, 78] 3 x [5, 77] 2 x [1, 76] 3 x [4, 75] 7 x [18, 74] 7 x [65, 73] 1 x [1, 73] 9 x [71, 72] 4 x [7, 70] 9 x [39, 69] 1 x [1, 69] 8 x [43, 68] 7 x [28, 67] 6 x [64, 66] 3 x [21, 63] 5 x [24, 62] 1 x [8, 61] 4 x [8, 60] 2 x [3, 59] 5 x [32, 57] 5 x [41, 56] 2 x [27, 55] 3 x [52, 54] 4 x [25, 53] 7 x [35, 52] 1 x [13, 50] 6 x [29, 48] 7 x [14, 47] 5 x [23, 45] 4 x [36, 38] 4 x [16, 34] 4 x [6, 31] 9 x [17, 30] 6 x [2, 26]