Build (method = -2) #dp: 2377 Step-3' Graph: 63 vertices and 809 arcs (0.01s) Step-4' Graph: 59 vertices and 801 arcs (0.01s) #V4/#V3 = 0.94 #A4/#A3 = 0.99 Ready! (0.01s) Optimize a model with 140 rows, 802 columns and 2294 nonzeros Presolve removed 53 rows and 60 columns Presolve time: 0.01s Presolved: 87 rows, 742 columns, 2120 nonzeros Variable types: 0 continuous, 742 integer (5 binary) Found heuristic solution: objective 467.0000000 Found heuristic solution: objective 439.0000000 Optimize a model with 87 rows, 742 columns and 2120 nonzeros Presolved: 87 rows, 742 columns, 2120 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.131e+03 Factor NZ : 2.219e+03 Factor Ops : 7.481e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.43190490e+03 -1.45275951e+04 1.85e+04 1.06e-01 8.89e+01 0s 1 1.48571824e+03 -5.06566800e+03 2.92e+03 1.11e-15 1.55e+01 0s 2 5.64603347e+02 -1.72702074e+03 1.93e+02 2.08e-14 2.09e+00 0s 3 4.60529150e+02 -3.87487314e+02 1.41e+01 7.22e-15 5.84e-01 0s 4 3.96704179e+02 1.56753522e+02 3.17e+00 8.88e-16 1.62e-01 0s 5 3.50603790e+02 2.05732615e+02 1.04e+00 5.20e-16 9.66e-02 0s 6 3.24715685e+02 2.65619454e+02 2.72e-01 6.66e-16 3.92e-02 0s 7 3.14710003e+02 3.04700813e+02 7.09e-02 3.33e-16 6.65e-03 0s 8 3.13108486e+02 3.07565117e+02 1.51e-02 4.43e-16 3.67e-03 0s 9 3.12694837e+02 3.10048748e+02 6.87e-03 4.76e-16 1.75e-03 0s 10 3.12080489e+02 3.11449099e+02 9.09e-04 6.04e-16 4.17e-04 0s 11 3.12004116e+02 3.11961737e+02 1.81e-06 4.42e-16 2.80e-05 0s 12 3.12000004e+02 3.11999962e+02 3.56e-13 4.57e-16 2.80e-08 0s 13 3.12000000e+02 3.12000000e+02 2.84e-13 4.84e-16 2.81e-14 0s Barrier solved model in 13 iterations and 0.01 seconds Optimal objective 3.12000000e+02 Root relaxation: objective 3.120000e+02, 310 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 312.0000000 312.00000 0.0% - 0s Explored 0 nodes (310 simplex iterations) in 0.03 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.120000000000e+02, best bound 3.120000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.03 seconds Total run time: 0.05 seconds Objective: 312 Solution: 6 x [81] 7 x [80] 10 x [79] 8 x [78] 3 x [77] 5 x [76] 5 x [75] 8 x [74] 4 x [73] 9 x [72] 3 x [71] 14 x [70] 5 x [69] 7 x [68] 3 x [67] 9 x [66] 6 x [65] 10 x [64] 7 x [63] 2 x [62] 2 x [1, 61] 5 x [2, 60] 1 x [1, 60] 3 x [3, 59] 4 x [4, 58] 4 x [5, 57] 1 x [4, 57] 2 x [6, 56] 2 x [7, 55] 3 x [8, 54] 6 x [7, 54] 7 x [9, 53] 4 x [10, 52] 3 x [10, 51] 8 x [11, 50] 1 x [9, 50] 4 x [13, 49] 7 x [12, 49] 4 x [14, 48] 4 x [15, 47] 1 x [14, 47] 7 x [16, 46] 1 x [13, 46] 5 x [17, 45] 6 x [18, 44] 3 x [17, 44] 2 x [8, 44] 7 x [19, 43] 5 x [20, 42] 2 x [21, 41] 5 x [22, 40] 3 x [21, 40] 7 x [23, 39] 8 x [24, 38] 2 x [21, 38] 7 x [25, 37] 6 x [26, 36] 4 x [27, 35] 1 x [26, 35] 1 x [25, 35] 1 x [23, 35] 4 x [20, 34] 5 x [28, 33] 4 x [30, 32] 1 x [29, 32] 3 x [6, 6, 31] 1 x [7, 8, 23] 1 x [3, 19, 21] 1 x [19, 20] 1 x [4, 19, 20] 1 x [4, 19, 19]