Build (method = -2) #dp: 2116 Step-3' Graph: 64 vertices and 234 arcs (0.01s) Step-4' Graph: 34 vertices and 174 arcs (0.01s) #V4/#V3 = 0.53 #A4/#A3 = 0.74 Ready! (0.01s) Optimize a model with 115 rows, 175 columns and 462 nonzeros Presolve removed 55 rows and 58 columns Presolve time: 0.00s Presolved: 60 rows, 117 columns, 292 nonzeros Variable types: 0 continuous, 117 integer (0 binary) Found heuristic solution: objective 486.0000000 Found heuristic solution: objective 339.0000000 Optimize a model with 60 rows, 117 columns and 292 nonzeros Presolve removed 1 rows and 1 columns Presolved: 59 rows, 116 columns, 290 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.150e+02 Factor NZ : 9.310e+02 Factor Ops : 1.898e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.48874207e+03 -4.15552760e+03 3.98e+03 0.00e+00 9.16e+01 0s 1 1.25871982e+03 -9.73657472e+02 4.27e+02 2.00e-15 1.25e+01 0s 2 4.52045394e+02 1.71189725e+02 5.35e+00 3.89e-15 1.10e+00 0s 3 3.66396888e+02 2.89873334e+02 4.98e-02 2.00e-15 2.93e-01 0s 4 3.19305884e+02 3.09640400e+02 4.14e-03 2.33e-15 3.70e-02 0s 5 3.19568441e+02 3.14321524e+02 2.98e-03 2.11e-15 2.01e-02 0s 6 3.16616526e+02 3.16114620e+02 3.30e-04 1.83e-15 1.92e-03 0s 7 3.16500335e+02 3.16499449e+02 6.41e-07 2.21e-15 3.40e-06 0s 8 3.16500000e+02 3.16499999e+02 2.71e-13 1.67e-15 3.40e-09 0s 9 3.16500000e+02 3.16500000e+02 2.24e-13 1.55e-15 3.40e-12 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 3.16500000e+02 Root relaxation: objective 3.165000e+02, 49 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 316.50000 0 2 339.00000 316.50000 6.64% - 0s H 0 0 317.0000000 316.50000 0.16% - 0s Explored 0 nodes (49 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.170000000000e+02, best bound 3.170000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 317 Solution: 4 x [81] 4 x [80] 10 x [79] 4 x [78] 4 x [77] 6 x [76] 12 x [75] 9 x [74] 7 x [73] 4 x [72] 4 x [71] 6 x [70] 3 x [69] 4 x [68] 4 x [67] 2 x [66] 10 x [65] 8 x [64] 6 x [63] 6 x [62] 8 x [1, 61] 5 x [2, 60] 2 x [3, 59] 1 x [2, 59] 6 x [58] 1 x [4, 58] 5 x [4, 57] 1 x [6, 56] 3 x [5, 56] 5 x [7, 55] 10 x [54] 2 x [8, 53] 7 x [6, 53] 6 x [10, 52] 1 x [8, 52] 9 x [11, 51] 7 x [12, 50] 1 x [11, 50] 3 x [8, 50] 5 x [13, 49] 1 x [14, 48] 5 x [9, 48] 1 x [15, 47] 3 x [14, 47] 2 x [16, 46] 5 x [15, 46] 5 x [17, 45] 6 x [18, 44] 6 x [19, 43] 1 x [17, 43] 9 x [20, 42] 6 x [21, 41] 1 x [22, 40] 4 x [18, 40] 6 x [23, 39] 7 x [24, 38] 1 x [23, 38] 1 x [17, 38] 6 x [22, 37] 2 x [25, 36] 8 x [27, 35] 4 x [26, 35] 5 x [28, 34] 1 x [25, 34] 4 x [29, 33] 6 x [29, 32] 4 x [26, 31] 1 x [30] 1 x [30, 30]