Build (method = -2) #dp: 5849 Step-3' Graph: 119 vertices and 979 arcs (0.02s) Step-4' Graph: 82 vertices and 905 arcs (0.02s) #V4/#V3 = 0.69 #A4/#A3 = 0.92 Ready! (0.02s) Optimize a model with 165 rows, 906 columns and 2560 nonzeros Presolve removed 44 rows and 53 columns Presolve time: 0.01s Presolved: 121 rows, 853 columns, 2412 nonzeros Variable types: 0 continuous, 853 integer (235 binary) Found heuristic solution: objective 179.0000000 Found heuristic solution: objective 158.0000000 Optimize a model with 121 rows, 853 columns and 2412 nonzeros Presolved: 121 rows, 853 columns, 2412 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.866e+03 Factor NZ : 3.613e+03 Factor Ops : 1.294e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.41875177e+03 -1.04780807e+04 8.65e+03 2.87e-01 5.87e+01 0s 1 1.06407534e+03 -2.63394065e+03 1.28e+03 9.99e-16 8.96e+00 0s 2 2.77482776e+02 -8.56244433e+02 1.20e+02 1.11e-15 1.22e+00 0s 3 1.71057779e+02 -1.53129370e+02 1.83e+01 1.55e-15 2.41e-01 0s 4 1.32932404e+02 -7.25708028e+00 1.68e+00 8.60e-16 8.40e-02 0s 5 1.21025883e+02 6.74227753e+01 6.15e-01 6.80e-16 3.15e-02 0s 6 1.14229493e+02 8.86209418e+01 1.98e-01 6.16e-16 1.49e-02 0s 7 1.10180409e+02 1.00270649e+02 5.66e-02 5.30e-16 5.74e-03 0s 8 1.08417518e+02 1.04726312e+02 9.23e-03 8.88e-16 2.13e-03 0s 9 1.08084107e+02 1.07757476e+02 2.55e-03 5.55e-16 1.90e-04 0s 10 1.08000765e+02 1.07998276e+02 1.44e-05 8.30e-16 1.44e-06 0s 11 1.08000001e+02 1.07999998e+02 9.66e-13 6.34e-16 1.44e-09 0s 12 1.08000000e+02 1.08000000e+02 1.01e-12 7.77e-16 1.44e-12 0s Barrier solved model in 12 iterations and 0.01 seconds Optimal objective 1.08000000e+02 Root relaxation: objective 1.080000e+02, 520 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 108.0000000 108.00000 0.0% - 0s Explored 0 nodes (520 simplex iterations) in 0.04 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.080000000000e+02, best bound 1.080000000000e+02, gap 0.0% Preprocessing time: 0.04 seconds Gurobi run time: 0.04 seconds Total run time: 0.08 seconds Objective: 108 Solution: 5 x [83] 1 x [82] 3 x [81] 4 x [80] 2 x [1, 79] 1 x [78] 2 x [5, 77] 2 x [1, 77] 2 x [6, 76] 2 x [4, 76] 1 x [3, 75] 2 x [74] 1 x [9, 73] 2 x [8, 73] 2 x [72] 3 x [9, 72] 1 x [11, 71] 2 x [10, 71] 3 x [12, 70] 2 x [12, 69] 1 x [7, 69] 1 x [68] 1 x [13, 68] 1 x [12, 68] 1 x [15, 67] 2 x [14, 67] 1 x [17, 66] 1 x [18, 65] 2 x [18, 64] 1 x [17, 63] 2 x [20, 62] 2 x [19, 62] 1 x [17, 62] 3 x [24, 61] 1 x [23, 61] 3 x [21, 61] 2 x [25, 60] 1 x [24, 60] 1 x [22, 60] 3 x [26, 59] 1 x [11, 58] 1 x [27, 57] 1 x [31, 56] 1 x [31, 55] 2 x [29, 55] 2 x [33, 54] 1 x [33, 53] 1 x [32, 53] 1 x [2, 30, 52] 1 x [33, 51] 1 x [28, 51] 2 x [35, 50] 2 x [34, 50] 1 x [29, 50] 1 x [36, 49] 1 x [17, 17, 49] 2 x [37, 48] 1 x [36, 48] 1 x [16, 19, 48] 2 x [38, 47] 1 x [28, 46] 2 x [39, 45] 1 x [41, 44] 1 x [39, 44] 2 x [41, 43] 1 x [40, 42]