Build (method = -2) #dp: 3915 Step-3' Graph: 94 vertices and 315 arcs (0.01s) Step-4' Graph: 43 vertices and 213 arcs (0.01s) #V4/#V3 = 0.46 #A4/#A3 = 0.68 Ready! (0.01s) Optimize a model with 130 rows, 214 columns and 561 nonzeros Presolve removed 61 rows and 62 columns Presolve time: 0.00s Presolved: 69 rows, 152 columns, 374 nonzeros Variable types: 0 continuous, 152 integer (17 binary) Found heuristic solution: objective 172.0000000 Found heuristic solution: objective 144.0000000 Found heuristic solution: objective 108.0000000 Optimize a model with 69 rows, 152 columns and 374 nonzeros Presolved: 69 rows, 152 columns, 374 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.350e+02 Factor NZ : 1.052e+03 Factor Ops : 2.133e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.72573718e+03 -4.79782783e+03 3.74e+02 2.22e-16 9.71e+01 0s 1 1.23104063e+03 -1.62768791e+03 4.89e+01 5.55e-16 1.48e+01 0s 2 2.44370126e+02 -1.77815446e+02 3.13e+00 8.22e-15 1.53e+00 0s 3 1.49551400e+02 3.28024851e+01 1.06e-01 2.55e-15 3.53e-01 0s 4 1.12704433e+02 6.63352513e+01 5.63e-03 1.22e-15 1.39e-01 0s 5 1.05759239e+02 9.53765297e+01 2.26e-03 3.33e-16 3.12e-02 0s 6 1.03318109e+02 1.02109532e+02 1.07e-04 4.44e-16 3.63e-03 0s 7 1.03002687e+02 1.02994540e+02 3.44e-07 4.44e-16 2.45e-05 0s 8 1.03000003e+02 1.02999995e+02 5.84e-13 2.22e-16 2.45e-08 0s 9 1.03000000e+02 1.03000000e+02 3.00e-13 2.22e-16 2.45e-11 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 1.03000000e+02 Root relaxation: objective 1.030000e+02, 61 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 103.0000000 103.00000 0.0% - 0s Explored 0 nodes (61 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.030000000000e+02, best bound 1.030000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 103 Solution: 1 x [1, 87] 1 x [1, 86] 1 x [3, 85] 2 x [5, 84] 5 x [2, 83] 6 x [82] 1 x [7, 81] 1 x [5, 81] 3 x [6, 80] 1 x [4, 80] 1 x [8, 79] 1 x [9, 78] 1 x [10, 77] 1 x [12, 76] 4 x [11, 76] 2 x [13, 75] 1 x [14, 74] 2 x [8, 73] 2 x [16, 72] 1 x [17, 71] 4 x [17, 70] 2 x [19, 69] 3 x [18, 68] 4 x [20, 67] 1 x [22, 66] 2 x [22, 65] 1 x [24, 64] 2 x [24, 63] 2 x [20, 62] 4 x [14, 61] 2 x [28, 60] 2 x [29, 59] 2 x [28, 58] 3 x [32, 57] 1 x [32, 56] 1 x [34, 55] 1 x [26, 54] 2 x [37, 53] 1 x [38, 52] 1 x [39, 51] 1 x [42, 50] 2 x [35, 49] 2 x [27, 48] 2 x [8, 47] 3 x [44, 46] 1 x [44, 45] 1 x [21, 43] 3 x [39, 42] 2 x [38, 41] 1 x [23, 40] 1 x [25, 36] 3 x [31, 33] 1 x [29, 30] 1 x [13, 15]