Build (method = -2) #dp: 3281 Step-3' Graph: 128 vertices and 392 arcs (0.01s) Step-4' Graph: 19 vertices and 174 arcs (0.01s) #V4/#V3 = 0.15 #A4/#A3 = 0.44 Ready! (0.01s) Optimize a model with 98 rows, 175 columns and 492 nonzeros Presolve removed 36 rows and 49 columns Presolve time: 0.00s Presolved: 62 rows, 126 columns, 345 nonzeros Variable types: 0 continuous, 126 integer (4 binary) Found heuristic solution: objective 177.0000000 Found heuristic solution: objective 116.0000000 Optimize a model with 62 rows, 126 columns and 345 nonzeros Presolved: 62 rows, 126 columns, 345 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.210e+02 Factor NZ : 9.950e+02 Factor Ops : 2.084e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.43730058e+03 -1.93346445e+03 1.71e+02 2.22e-16 5.46e+01 0s 1 6.07677960e+02 -6.71685987e+02 2.50e+01 8.88e-16 8.85e+00 0s 2 1.41140041e+02 -1.18194386e+02 2.04e-14 2.22e-15 8.73e-01 0s 3 1.10649218e+02 6.55772820e+01 1.08e-13 4.44e-16 1.52e-01 0s 4 1.00115376e+02 9.75216006e+01 8.26e-14 3.33e-16 8.73e-03 0s 5 1.00000011e+02 9.99997039e+01 4.71e-14 3.33e-16 1.03e-06 0s 6 1.00000000e+02 1.00000000e+02 6.57e-14 2.22e-16 1.24e-12 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 1.00000000e+02 Root relaxation: objective 1.000000e+02, 70 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 (70 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: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 100 Solution: 2 x [30, 79] 1 x [43, 78] 2 x [18, 77] 4 x [25, 76] 3 x [5, 75] 5 x [41, 74] 2 x [11, 73] 2 x [10, 72] 2 x [44, 71] 1 x [37, 71] 1 x [36, 70] 2 x [33, 70] 1 x [35, 69] 4 x [15, 68] 1 x [17, 67] 4 x [2, 66] 2 x [31, 65] 1 x [13, 65] 2 x [1, 64] 4 x [60, 63] 1 x [45, 62] 1 x [4, 62] 1 x [57, 61] 1 x [7, 61] 6 x [45, 59] 1 x [12, 58] 3 x [53, 57] 1 x [9, 57] 2 x [55, 56] 1 x [16, 56] 1 x [32, 54] 2 x [8, 52] 1 x [38, 51] 4 x [19, 50] 1 x [40, 49] 4 x [23, 48] 2 x [46, 47] 1 x [42, 47] 3 x [27, 39] 4 x [28, 34] 4 x [22, 32] 2 x [26, 29] 2 x [6, 24] 2 x [3, 21] 3 x [14, 20]