Build (method = -2) #dp: 16095 Step-3' Graph: 4980 vertices and 14933 arcs (0.68s) Step-4' Graph: 208 vertices and 5389 arcs (0.71s) #V4/#V3 = 0.04 #A4/#A3 = 0.36 Ready! (0.71s) Optimize a model with 347 rows, 5390 columns and 15758 nonzeros Presolve removed 5 rows and 59 columns Presolve time: 0.08s Presolved: 342 rows, 5331 columns, 15639 nonzeros Variable types: 0 continuous, 5331 integer (0 binary) Optimize a model with 342 rows, 5331 columns and 15639 nonzeros Presolved: 342 rows, 5331 columns, 15639 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.370e+03 Factor NZ : 1.813e+04 (roughly 2 MBytes of memory) Factor Ops : 1.430e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.25321658e+10 -5.69295161e+10 4.82e+11 2.22e-16 8.51e+07 0s 1 5.29284549e+09 -1.46992828e+10 7.86e+10 6.66e-16 1.43e+07 0s 2 6.26936973e+08 -3.72802272e+09 6.02e+09 1.92e-14 1.32e+06 0s 3 2.28553213e+08 -1.58676374e+09 8.00e+08 7.44e-15 2.65e+05 0s 4 1.43793916e+08 -7.45552757e+08 1.13e+08 3.55e-15 9.34e+04 0s 5 1.25840616e+08 -5.50439355e+08 6.33e+07 2.55e-15 6.83e+04 0s 6 1.05261218e+08 -1.42762918e+08 2.61e+07 9.99e-16 2.46e+04 0s 7 9.48318826e+07 8.19736671e+06 1.29e+07 6.66e-16 8.54e+03 0s 8 8.83032339e+07 4.20181842e+07 2.81e+06 8.88e-16 4.37e+03 0s 9 8.45089761e+07 6.81948032e+07 7.89e+04 7.40e-16 1.51e+03 0s 10 8.35029144e+07 7.85245609e+07 1.43e+04 7.67e-16 4.61e+02 0s 11 8.32907717e+07 8.12567062e+07 6.36e+03 7.28e-16 1.89e+02 0s 12 8.31486179e+07 8.21033422e+07 2.66e+03 7.58e-16 9.69e+01 0s 13 8.30744252e+07 8.26521744e+07 1.21e+03 7.77e-16 3.91e+01 0s 14 8.30432712e+07 8.28902203e+07 6.76e+02 8.88e-16 1.42e+01 0s 15 8.30080247e+07 8.29857599e+07 9.52e+01 6.36e-16 2.06e+00 0s 16 8.30000781e+07 8.29998788e+07 6.23e-02 7.28e-16 1.85e-02 0s 17 8.30000001e+07 8.29999999e+07 4.26e-06 8.24e-10 1.85e-05 0s Barrier solved model in 17 iterations and 0.10 seconds Optimal objective 8.30000001e+07 Warning: Markowitz tolerance tightened to 0.5 Root relaxation: objective 8.300000e+07, 5235 iterations, 0.17 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 (5760 simplex iterations) in 0.43 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: 0.74 seconds Gurobi run time: 0.43 seconds Total run time: 1.17 seconds Objective: 83000000 Solution: 1000000 x [1, 136, 138] 2000000 x [2, 133, 139] 1000000 x [3, 133, 135] 1000000 x [4, 131, 135] 1000000 x [5, 130, 135] 2000000 x [6, 125, 137] 1000000 x [7, 128, 131] 1000000 x [8, 123, 132] 500000 x [9, 116, 139] 500000 x [9, 125, 129] 1000000 x [10, 121, 127] 1000000 x [11, 111, 137] 500000 x [12, 116, 129] 500000 x [12, 119, 126] 500000 x [13, 106, 139] 500000 x [13, 111, 133] 1000000 x [14, 110, 132] 2000000 x [15, 119, 120] 1000000 x [16, 117, 121] 1000000 x [17, 105, 134] 1000000 x [18, 111, 126] 1000000 x [19, 105, 130] 1000000 x [20, 97, 139] 500000 x [21, 107, 124] 500000 x [21, 112, 119] 1000000 x [22, 111, 119] 1000000 x [23, 108, 120] 1000000 x [24, 104, 122] 1000000 x [24, 108, 118] 1000000 x [25, 108, 117] 500000 x [26, 104, 121] 500000 x [26, 111, 114] 1000000 x [27, 106, 113] 1500000 x [28, 89, 133] 500000 x [28, 107, 111] 1000000 x [29, 87, 135] 500000 x [30, 89, 130] 500000 x [30, 104, 112] 1000000 x [31, 104, 107] 2000000 x [32, 81, 134] 1000000 x [33, 99, 109] 1000000 x [34, 79, 132] 1000000 x [34, 102, 103] 1000000 x [35, 89, 115] 1000000 x [36, 77, 132] 1000000 x [37, 77, 129] 1000000 x [37, 100, 101] 1000000 x [38, 86, 114] 1000000 x [39, 92, 104] 1000000 x [40, 76, 125] 1000000 x [40, 84, 112] 1000000 x [41, 69, 136] 1000000 x [41, 74, 126] 500000 x [42, 72, 130] 500000 x [42, 78, 118] 1000000 x [43, 84, 106] 1500000 x [44, 72, 126] 500000 x [44, 83, 107] 2000000 x [45, 66, 136] 1000000 x [46, 64, 139] 500000 x [46, 75, 119] 1500000 x [46, 79, 111] 1000000 x [47, 88, 98] 1000000 x [47, 89, 95] 1000000 x [48, 68, 124] 1000000 x [49, 63, 134] 1000000 x [50, 90, 91] 1000000 x [51, 85, 96] 1000000 x [52, 55, 139] 1000000 x [52, 70, 116] 1000000 x [53, 55, 137] 500000 x [54, 59, 130] 1000000 x [54, 60, 129] 500000 x [54, 65, 121] 1000000 x [54, 71, 112] 500000 x [54, 75, 106] 500000 x [54, 83, 93] 500000 x [55, 58, 130] 1000000 x [55, 59, 129] 500000 x [55, 62, 125] 500000 x [56, 65, 119] 500000 x [56, 69, 114] 1000000 x [57, 63, 121] 500000 x [58, 59, 124] 500000 x [58, 71, 107] 500000 x [58, 79, 94] 500000 x [61, 62, 118] 500000 x [61, 78, 94] 1000000 x [65, 73, 97] 1000000 x [67, 81, 82] 500000 x [69, 71, 93] 1000000 x [75, 76, 80]