Build (method = -2) #dp: 2488 Step-3' Graph: 90 vertices and 287 arcs (0.01s) Step-4' Graph: 28 vertices and 163 arcs (0.01s) #V4/#V3 = 0.31 #A4/#A3 = 0.57 Ready! (0.01s) Optimize a model with 97 rows, 164 columns and 441 nonzeros Presolve removed 34 rows and 37 columns Presolve time: 0.00s Presolved: 63 rows, 127 columns, 331 nonzeros Variable types: 0 continuous, 127 integer (3 binary) Found heuristic solution: objective 190.0000000 Found heuristic solution: objective 134.0000000 Optimize a model with 63 rows, 127 columns and 331 nonzeros Presolve removed 1 rows and 1 columns Presolved: 62 rows, 126 columns, 329 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 2.54923147e+03 -3.37677856e+03 4.08e+02 2.22e-16 6.70e+01 0s 1 6.38525013e+02 -9.74738865e+02 5.82e+01 8.88e-16 1.06e+01 0s 2 1.55697530e+02 -1.31737653e+02 3.64e-14 2.38e-14 9.95e-01 0s 3 1.15377954e+02 5.48130001e+01 5.06e-14 3.77e-15 2.10e-01 0s 4 1.00885304e+02 9.52892706e+01 7.64e-14 3.33e-16 1.94e-02 0s 5 1.00000473e+02 9.99970750e+01 6.75e-14 4.44e-16 1.18e-05 0s 6 1.00000000e+02 1.00000000e+02 4.44e-14 6.66e-16 1.22e-11 0s Barrier solved model in 6 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: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 100 Solution: 2 x [18, 69] 2 x [13, 68] 2 x [9, 67] 1 x [15, 66] 2 x [23, 65] 1 x [14, 64] 2 x [6, 63] 5 x [26, 62] 2 x [4, 61] 1 x [26, 60] 4 x [22, 59] 3 x [30, 58] 4 x [14, 57] 4 x [32, 56] 2 x [31, 55] 3 x [10, 54] 2 x [29, 53] 3 x [36, 52] 1 x [2, 51] 2 x [4, 50] 3 x [37, 49] 2 x [39, 48] 3 x [5, 47] 3 x [42, 46] 1 x [1, 46] 2 x [3, 45] 4 x [43, 44] 1 x [1, 41] 4 x [37, 40] 1 x [1, 38] 3 x [10, 35] 1 x [7, 34] 4 x [12, 33] 5 x [16, 28] 2 x [5, 27] 3 x [11, 25] 3 x [21, 24] 3 x [19, 20] 4 x [8, 17]