Build (method = -2) #dp: 3658 Step-3' Graph: 102 vertices and 331 arcs (0.02s) Step-4' Graph: 31 vertices and 189 arcs (0.02s) #V4/#V3 = 0.30 #A4/#A3 = 0.57 Ready! (0.02s) Optimize a model with 115 rows, 190 columns and 513 nonzeros Presolve removed 54 rows and 59 columns Presolve time: 0.00s Presolved: 61 rows, 131 columns, 335 nonzeros Variable types: 0 continuous, 131 integer (11 binary) Found heuristic solution: objective 175.0000000 Found heuristic solution: objective 141.0000000 Found heuristic solution: objective 104.0000000 Optimize a model with 61 rows, 131 columns and 335 nonzeros Presolved: 61 rows, 131 columns, 335 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.190e+02 Factor NZ : 9.920e+02 Factor Ops : 2.084e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.88517744e+03 -4.34030759e+03 3.44e+02 2.22e-16 1.17e+02 0s 1 1.13144657e+03 -1.64178190e+03 4.97e+01 6.66e-16 1.90e+01 0s 2 2.05804796e+02 -2.18600228e+02 2.14e+00 1.14e-14 1.74e+00 0s 3 1.32542978e+02 2.87610043e+01 2.08e-02 1.44e-14 3.54e-01 0s 4 1.10034422e+02 8.33069042e+01 4.21e-03 1.33e-15 9.09e-02 0s 5 1.00509720e+02 9.77495885e+01 7.49e-04 4.44e-16 9.38e-03 0s 6 1.00003575e+02 9.99874435e+01 3.23e-06 4.44e-16 5.48e-05 0s 7 1.00000000e+02 1.00000000e+02 3.60e-12 3.33e-16 6.41e-11 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 1.00000000e+02 Root relaxation: objective 1.000000e+02, 58 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 100.0000000 100.00000 0.0% - 0s Explored 0 nodes (58 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.000000000000e+02, best bound 1.000000000000e+02, gap 0.0% Preprocessing time: 0.03 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 100 Solution: 1 x [18, 84] 4 x [9, 84] 1 x [19, 83] 4 x [20, 82] 1 x [21, 81] 1 x [16, 80] 3 x [23, 79] 1 x [15, 78] 3 x [13, 77] 2 x [17, 76] 1 x [26, 75] 3 x [10, 74] 3 x [7, 73] 3 x [28, 72] 3 x [2, 71] 1 x [29, 70] 1 x [25, 69] 5 x [22, 68] 2 x [31, 67] 2 x [30, 66] 3 x [1, 65] 1 x [34, 64] 3 x [36, 63] 1 x [15, 63] 2 x [27, 62] 1 x [38, 61] 3 x [35, 60] 1 x [12, 60] 1 x [40, 59] 3 x [41, 58] 1 x [40, 58] 1 x [5, 57] 3 x [44, 56] 2 x [42, 55] 3 x [45, 54] 3 x [48, 53] 2 x [46, 52] 1 x [4, 52] 6 x [49, 51] 1 x [4, 51] 1 x [3, 50] 1 x [5, 47] 1 x [6, 43] 1 x [38, 39] 1 x [14, 37] 1 x [32, 33] 4 x [8, 29] 3 x [11, 24]