Build (method = -2) #dp: 17495 Step-3' Graph: 5525 vertices and 16568 arcs (0.74s) Step-4' Graph: 216 vertices and 5950 arcs (0.78s) #V4/#V3 = 0.04 #A4/#A3 = 0.36 Ready! (0.78s) Optimize a model with 361 rows, 5951 columns and 17425 nonzeros Presolve removed 4 rows and 59 columns Presolve time: 0.08s Presolved: 357 rows, 5892 columns, 17305 nonzeros Variable types: 0 continuous, 5892 integer (0 binary) Optimize a model with 357 rows, 5892 columns and 17305 nonzeros Presolved: 357 rows, 5892 columns, 17305 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 9.275e+03 Factor NZ : 2.063e+04 (roughly 3 MBytes of memory) Factor Ops : 1.813e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.34921969e+10 -6.36834508e+10 5.27e+11 2.22e-16 8.51e+07 0s 1 5.45851214e+09 -1.59382954e+10 8.49e+10 5.55e-16 1.42e+07 0s 2 6.57001156e+08 -4.09826712e+09 6.75e+09 2.82e-14 1.35e+06 0s 3 2.40931626e+08 -1.80637384e+09 1.00e+09 8.88e-15 2.85e+05 0s 4 1.47997486e+08 -6.68240009e+08 2.06e+08 6.22e-15 8.63e+04 0s 5 1.17778951e+08 -3.52200898e+08 7.42e+07 3.11e-15 4.50e+04 0s 6 1.01896125e+08 -1.35190082e+08 3.38e+07 1.67e-15 2.19e+04 0s 7 9.23729679e+07 -2.88266635e+07 1.25e+07 8.88e-16 1.07e+04 0s 8 8.73848684e+07 4.43567741e+07 6.91e+05 6.67e-16 3.63e+03 0s 9 8.45331624e+07 7.45680352e+07 3.50e+04 6.70e-16 8.37e+02 0s 10 8.34892139e+07 8.05054215e+07 7.87e+03 7.63e-16 2.50e+02 0s 11 8.32362774e+07 8.19411460e+07 3.26e+03 6.74e-16 1.09e+02 0s 12 8.31566456e+07 8.25807178e+07 2.02e+03 6.89e-16 4.83e+01 0s 13 8.30483384e+07 8.28555288e+07 5.60e+02 6.88e-16 1.62e+01 0s 14 8.30128316e+07 8.29737983e+07 1.20e+02 8.25e-16 3.28e+00 0s 15 8.30005631e+07 8.29980355e+07 1.85e+00 6.66e-16 2.12e-01 0s 16 8.30000006e+07 8.29999980e+07 5.49e-07 1.12e-09 2.12e-04 0s 17 8.30000000e+07 8.30000000e+07 1.96e-08 8.57e-13 2.12e-07 0s Barrier solved model in 17 iterations and 0.10 seconds Optimal objective 8.30000000e+07 Warning: Markowitz tolerance tightened to 0.5 Root relaxation: objective 8.300000e+07, 1919 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 8.300000e+07 8.3000e+07 0.0% - 0s Explored 0 nodes (3325 simplex iterations) in 0.58 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 8.300000000000e+07, best bound 8.300000000000e+07, gap 0.0% Preprocessing time: 0.81 seconds Gurobi run time: 0.58 seconds Total run time: 1.39 seconds Objective: 83000000 Solution: 1000000 x [1, 144, 145] 1000000 x [2, 143, 145] 1000000 x [3, 141, 142] 1000000 x [4, 138, 144] 3000000 x [5, 137, 143] 1000000 x [6, 136, 143] 1000000 x [7, 133, 145] 1000000 x [8, 134, 141] 1000000 x [9, 133, 139] 1000000 x [10, 126, 145] 1000000 x [11, 127, 143] 1000000 x [12, 131, 133] 1000000 x [13, 124, 140] 1000000 x [14, 122, 139] 1000000 x [15, 123, 137] 1000000 x [16, 120, 138] 2000000 x [16, 127, 130] 1000000 x [17, 115, 141] 1000000 x [18, 112, 137] 1000000 x [19, 105, 142] 1000000 x [20, 120, 124] 1000000 x [21, 120, 122] 1000000 x [22, 107, 134] 1000000 x [23, 105, 136] 1000000 x [24, 104, 135] 2000000 x [25, 111, 125] 1000000 x [26, 115, 119] 2000000 x [27, 92, 143] 1000000 x [28, 108, 122] 1000000 x [29, 99, 129] 1000000 x [29, 102, 124] 1000000 x [29, 103, 123] 1000000 x [30, 96, 129] 1000000 x [31, 83, 144] 1000000 x [32, 100, 122] 1000000 x [33, 104, 116] 1000000 x [34, 106, 109] 1000000 x [35, 103, 113] 1000000 x [36, 90, 128] 1000000 x [37, 104, 110] 1000000 x [38, 82, 133] 1000000 x [39, 93, 118] 1000000 x [40, 96, 114] 1000000 x [40, 102, 106] 1000000 x [41, 83, 129] 1000000 x [41, 101, 108] 1000000 x [42, 76, 138] 1000000 x [43, 101, 105] 1000000 x [44, 86, 117] 1000000 x [44, 97, 105] 1000000 x [45, 69, 140] 1000000 x [46, 68, 140] 1000000 x [47, 78, 121] 1000000 x [48, 98, 99] 1000000 x [49, 63, 142] 1000000 x [49, 75, 125] 1000000 x [50, 67, 136] 1000000 x [50, 70, 131] 1000000 x [51, 60, 143] 1000000 x [51, 95, 99] 1000000 x [52, 85, 107] 1000000 x [53, 77, 116] 1000000 x [53, 88, 103] 1000000 x [54, 65, 135] 1000000 x [55, 63, 136] 1000000 x [56, 57, 145] 1000000 x [56, 74, 120] 1000000 x [57, 75, 116] 1000000 x [58, 70, 122] 1000000 x [59, 61, 132] 1000000 x [62, 64, 125] 1000000 x [62, 87, 95] 1000000 x [66, 84, 95] 2000000 x [71, 79, 94] 1000000 x [72, 81, 91] 1000000 x [72, 82, 89] 1000000 x [73, 80, 89]