Build (method = -2) #dp: 2048 Step-3' Graph: 64 vertices and 224 arcs (0.01s) Step-4' Graph: 34 vertices and 164 arcs (0.01s) #V4/#V3 = 0.53 #A4/#A3 = 0.73 Ready! (0.01s) Optimize a model with 105 rows, 165 columns and 432 nonzeros Presolve removed 47 rows and 52 columns Presolve time: 0.00s Presolved: 58 rows, 113 columns, 282 nonzeros Variable types: 0 continuous, 113 integer (0 binary) Found heuristic solution: objective 480.0000000 Found heuristic solution: objective 320.0000000 Optimize a model with 58 rows, 113 columns and 282 nonzeros Presolve removed 1 rows and 1 columns Presolved: 57 rows, 112 columns, 280 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.110e+02 Factor NZ : 8.740e+02 Factor Ops : 1.735e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.15525680e+03 -3.99068961e+03 3.71e+03 1.11e-16 8.92e+01 0s 1 1.17485354e+03 -9.32645764e+02 3.81e+02 3.33e-16 1.20e+01 0s 2 4.28728420e+02 6.47626750e+01 1.01e+00 1.78e-15 1.45e+00 0s 3 3.50839561e+02 2.57905449e+02 2.06e-02 4.44e-16 3.69e-01 0s 4 2.97335495e+02 2.83995665e+02 1.75e-03 2.22e-16 5.29e-02 0s 5 2.94525636e+02 2.90463632e+02 2.95e-04 3.33e-16 1.61e-02 0s 6 2.93561124e+02 2.93313400e+02 3.23e-06 3.33e-16 9.83e-04 0s 7 2.93500025e+02 2.93499970e+02 5.77e-10 2.22e-16 2.17e-07 0s 8 2.93500000e+02 2.93500000e+02 5.60e-14 3.33e-16 2.17e-10 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 2.93500000e+02 Root relaxation: objective 2.935000e+02, 42 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 293.50000 0 2 320.00000 293.50000 8.28% - 0s H 0 0 294.0000000 293.50000 0.17% - 0s Explored 0 nodes (42 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.940000000000e+02, best bound 2.940000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 294 Solution: 12 x [71] 9 x [70] 3 x [69] 10 x [68] 9 x [67] 6 x [66] 7 x [65] 4 x [64] 5 x [63] 12 x [62] 10 x [61] 5 x [2, 60] 7 x [1, 60] 5 x [3, 59] 5 x [4, 58] 4 x [5, 57] 9 x [6, 56] 9 x [5, 55] 9 x [8, 54] 6 x [4, 53] 8 x [9, 52] 1 x [5, 51] 1 x [4, 51] 2 x [3, 51] 7 x [11, 50] 2 x [13, 49] 5 x [10, 49] 8 x [13, 48] 5 x [15, 47] 1 x [13, 47] 4 x [16, 46] 6 x [14, 45] 1 x [12, 45] 4 x [17, 44] 6 x [19, 43] 8 x [12, 42] 7 x [21, 41] 8 x [7, 40] 6 x [22, 39] 6 x [18, 38] 5 x [24, 37] 1 x [22, 37] 7 x [25, 36] 8 x [26, 35] 4 x [28, 34] 1 x [26, 34] 2 x [29, 33] 5 x [27, 33] 2 x [29, 32] 5 x [20, 32] 7 x [30, 31] 1 x [19, 31] 1 x [23] 3 x [23, 23]