Build (method = -2) #dp: 2436 Step-3' Graph: 34 vertices and 358 arcs (0.01s) Step-4' Graph: 5 vertices and 300 arcs (0.01s) #V4/#V3 = 0.15 #A4/#A3 = 0.84 Ready! (0.01s) Optimize a model with 105 rows, 301 columns and 897 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.00s Presolved: 100 rows, 296 columns, 884 nonzeros Variable types: 0 continuous, 296 integer (43 binary) Found heuristic solution: objective 454.0000000 Found heuristic solution: objective 436.0000000 Optimize a model with 100 rows, 296 columns and 884 nonzeros Presolved: 100 rows, 296 columns, 884 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.940e+02 Factor NZ : 8.000e+02 Factor Ops : 1.253e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.01881630e+03 -2.52526090e+03 3.55e+01 1.97e-03 1.37e+01 0s 1 5.01162689e+02 -6.15002088e+02 2.66e-01 3.33e-16 1.75e+00 0s 2 2.30447578e+02 4.53819790e+01 1.40e-02 2.78e-16 2.77e-01 0s 3 1.57976865e+02 1.49795171e+02 1.11e-04 1.11e-16 1.21e-02 0s 4 1.57001273e+02 1.56992811e+02 3.44e-13 1.60e-16 1.25e-05 0s 5 1.57000000e+02 1.57000000e+02 6.04e-13 2.22e-16 1.26e-11 0s Barrier solved model in 5 iterations and 0.00 seconds Optimal objective 1.57000000e+02 Root relaxation: objective 1.570000e+02, 256 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 157.0000000 157.00000 0.0% - 0s Explored 0 nodes (256 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.570000000000e+02, best bound 1.570000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 157 Solution: 1 x [11, 28, 98] 7 x [1, 35, 75] 9 x [63, 76, 86] 2 x [39, 40, 52] 5 x [18, 23, 44] 4 x [36, 57, 73] 8 x [12, 31, 48] 6 x [24, 33, 34] 1 x [8, 14, 51] 7 x [13, 16, 69] 3 x [5, 66, 97] 9 x [4, 81, 92] 4 x [9, 87, 100] 5 x [25, 58, 79] 3 x [32, 38, 55] 9 x [30, 41, 70] 1 x [21, 85, 97] 3 x [6, 10, 68] 6 x [53, 74, 88] 4 x [56, 71, 89] 2 x [17, 20, 48] 1 x [18, 43, 64] 3 x [37, 59, 78] 10 x [45, 96, 99] 8 x [61, 77, 85] 1 x [46, 47, 88] 2 x [22, 27, 72] 6 x [60, 84, 91] 2 x [15, 54, 82] 2 x [16, 62, 65] 1 x [16, 29, 35] 8 x [22, 26, 50] 5 x [2, 83, 94] 1 x [9, 42, 90] 5 x [19, 67, 95] 1 x [32, 90, 93] 1 x [7, 20, 80] 1 x [3, 8, 49]