Build (method = -2) #dp: 2047 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 45 rows and 48 columns Presolve time: 0.00s Presolved: 60 rows, 117 columns, 292 nonzeros Variable types: 0 continuous, 117 integer (0 binary) Found heuristic solution: objective 490.0000000 Found heuristic solution: objective 344.0000000 Optimize a model with 60 rows, 117 columns and 292 nonzeros Presolved: 60 rows, 117 columns, 292 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.170e+02 Factor NZ : 9.890e+02 Factor Ops : 2.083e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.14700814e+03 -8.06679387e+03 4.43e+03 1.11e-16 1.57e+02 0s 1 1.57281432e+03 -2.11623341e+03 5.70e+02 6.66e-16 2.34e+01 0s 2 4.63109489e+02 -2.49320680e+01 4.26e-13 2.93e-14 1.85e+00 0s 3 3.74098165e+02 2.41731269e+02 1.71e-13 6.55e-15 5.01e-01 0s 4 3.10157320e+02 2.91751917e+02 1.42e-13 5.55e-16 6.97e-02 0s 5 3.05400834e+02 3.01246697e+02 2.50e-13 5.55e-16 1.57e-02 0s 6 3.03751478e+02 3.03282825e+02 1.72e-13 5.55e-16 1.78e-03 0s 7 3.03500426e+02 3.03498996e+02 6.47e-13 6.66e-16 5.42e-06 0s 8 3.03500000e+02 3.03499999e+02 2.42e-13 6.66e-16 5.42e-09 0s 9 3.03500000e+02 3.03500000e+02 1.72e-13 6.66e-16 5.42e-12 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 3.03500000e+02 Root relaxation: objective 3.035000e+02, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 303.50000 0 2 344.00000 303.50000 11.8% - 0s H 0 0 304.0000000 303.50000 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 3.040000000000e+02, best bound 3.040000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 304 Solution: 6 x [71] 10 x [70] 9 x [69] 8 x [68] 6 x [67] 8 x [66] 8 x [65] 7 x [64] 7 x [63] 5 x [62] 2 x [61] 5 x [1, 61] 5 x [2, 60] 5 x [59] 4 x [3, 59] 2 x [2, 59] 6 x [4, 58] 4 x [57] 1 x [4, 57] 9 x [56] 1 x [7, 55] 5 x [6, 55] 4 x [8, 54] 3 x [7, 54] 5 x [9, 53] 3 x [5, 53] 10 x [52] 3 x [10, 52] 12 x [11, 51] 5 x [10, 51] 7 x [12, 50] 1 x [10, 50] 3 x [49] 3 x [13, 49] 3 x [14, 48] 4 x [14, 47] 6 x [16, 46] 5 x [15, 45] 3 x [18, 44] 2 x [17, 44] 1 x [16, 44] 1 x [14, 44] 9 x [17, 43] 2 x [20, 42] 7 x [19, 42] 6 x [21, 41] 5 x [22, 40] 4 x [21, 40] 6 x [23, 39] 7 x [24, 38] 1 x [23, 38] 7 x [25, 37] 1 x [23, 37] 6 x [26, 36] 1 x [27, 35] 4 x [26, 35] 8 x [27, 34] 5 x [28, 33] 1 x [23, 33] 3 x [30, 32] 8 x [29, 32] 1 x [31] 2 x [23, 31] 3 x [30, 30]