Build (method = -2) #dp: 2377 Step-3' Graph: 64 vertices and 812 arcs (0.01s) Step-4' Graph: 59 vertices and 802 arcs (0.01s) #V4/#V3 = 0.92 #A4/#A3 = 0.99 Ready! (0.01s) Optimize a model with 140 rows, 803 columns and 2298 nonzeros Presolve removed 64 rows and 123 columns Presolve time: 0.01s Presolved: 76 rows, 680 columns, 1903 nonzeros Variable types: 0 continuous, 680 integer (0 binary) Found heuristic solution: objective 440.0000000 Optimize a model with 76 rows, 680 columns and 1903 nonzeros Presolved: 76 rows, 680 columns, 1903 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.510e+02 Factor NZ : 1.780e+03 Factor Ops : 5.290e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.02216182e+03 -7.14666626e+03 1.31e+04 2.22e-16 3.78e+01 0s 1 7.56798673e+02 -3.02165203e+03 1.61e+03 9.99e-16 6.18e+00 0s 2 4.80385348e+02 -5.55642644e+02 5.30e+01 5.66e-15 8.20e-01 0s 3 4.02727790e+02 1.05655010e+02 3.26e-01 1.44e-15 2.15e-01 0s 4 3.57462585e+02 1.85450576e+02 6.50e-02 1.40e-15 1.24e-01 0s 5 3.38302670e+02 2.71299439e+02 1.54e-02 1.48e-15 4.84e-02 0s 6 3.33816591e+02 3.18867570e+02 7.58e-03 1.17e-15 1.08e-02 0s 7 3.29695693e+02 3.28283511e+02 4.70e-04 9.45e-16 1.02e-03 0s 8 3.29501606e+02 3.29498611e+02 1.83e-06 1.26e-15 2.16e-06 0s 9 3.29500000e+02 3.29500000e+02 1.99e-12 1.25e-15 2.35e-12 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 3.29500000e+02 Root relaxation: objective 3.295000e+02, 160 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 329.50000 0 9 440.00000 329.50000 25.1% - 0s H 0 0 330.0000000 329.50000 0.15% - 0s Explored 0 nodes (234 simplex iterations) in 0.03 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.300000000000e+02, best bound 3.300000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.03 seconds Total run time: 0.05 seconds Objective: 330 Solution: 8 x [81] 9 x [80] 8 x [79] 11 x [78] 4 x [77] 8 x [76] 7 x [75] 2 x [74] 5 x [73] 7 x [72] 4 x [71] 4 x [70] 5 x [69] 4 x [68] 4 x [67] 5 x [66] 3 x [65] 7 x [64] 6 x [63] 9 x [62] 1 x [61] 4 x [1, 61] 3 x [60] 6 x [2, 60] 4 x [59] 7 x [3, 59] 5 x [58] 3 x [4, 58] 7 x [5, 57] 4 x [6, 56] 3 x [55] 2 x [7, 55] 5 x [54] 1 x [53] 9 x [9, 53] 5 x [8, 52] 4 x [10, 51] 1 x [8, 51] 7 x [12, 50] 12 x [49] 5 x [13, 48] 2 x [15, 47] 6 x [14, 47] 7 x [16, 46] 6 x [17, 45] 10 x [11, 44] 5 x [18, 43] 2 x [11, 43] 4 x [20, 42] 3 x [19, 42] 1 x [15, 42] 1 x [13, 42] 5 x [41] 3 x [22, 40] 5 x [21, 40] 4 x [23, 39] 4 x [24, 38] 6 x [25, 37] 2 x [25, 36] 1 x [24, 36] 2 x [23, 35] 8 x [27, 34] 2 x [23, 34] 5 x [28, 33] 4 x [29, 32] 6 x [26, 31] 4 x [27, 30] 2 x [28, 29] 1 x [24, 27] 1 x [24]