Build (method = -2) #dp: 15721 Step-3' Graph: 181 vertices and 4892 arcs (0.07s) Step-4' Graph: 90 vertices and 4710 arcs (0.07s) #V4/#V3 = 0.50 #A4/#A3 = 0.96 Ready! (0.07s) Optimize a model with 266 rows, 4711 columns and 13957 nonzeros Presolve removed 15 rows and 54 columns Presolve time: 0.06s Presolved: 251 rows, 4657 columns, 10700 nonzeros Variable types: 0 continuous, 4657 integer (4075 binary) Found heuristic solution: objective 142.0000000 Optimize a model with 251 rows, 4657 columns and 10700 nonzeros Presolved: 251 rows, 4657 columns, 10700 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 4.810e+03 Factor NZ : 1.130e+04 (roughly 2 MBytes of memory) Factor Ops : 5.961e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.19008356e+03 -1.27887852e+03 2.75e+03 3.45e-02 1.58e+00 0s 1 2.75456166e+02 -5.52667566e+02 2.40e+02 3.33e-16 1.96e-01 0s 2 1.16772810e+02 -5.11338515e+01 1.06e+01 3.11e-15 2.19e-02 0s 3 1.00867677e+02 7.10568463e+01 5.46e-01 1.18e-03 3.30e-03 0s 4 1.00015203e+02 9.96082056e+01 1.52e-03 1.78e-15 4.36e-05 0s 5 1.00000000e+02 9.99999971e+01 2.80e-09 8.88e-16 3.24e-10 0s 6 1.00000000e+02 1.00000000e+02 3.46e-14 2.00e-15 5.44e-16 0s Barrier solved model in 6 iterations and 0.03 seconds Optimal objective 1.00000000e+02 Root relaxation: objective 1.000000e+02, 4369 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 100.0000000 100.00000 0.0% - 0s Explored 0 nodes (4369 simplex iterations) in 0.14 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.000000000000e+02, best bound 1.000000000000e+02, gap 0.0% Preprocessing time: 0.09 seconds Gurobi run time: 0.14 seconds Total run time: 0.23 seconds Objective: 100 Solution: 1 x [109, 134] 1 x [81, 133] 1 x [73, 137] 1 x [67, 106] 1 x [48, 91] 1 x [14, 125] 1 x [88, 161] 1 x [17, 154] 1 x [19, 147] 1 x [7, 132] 1 x [23, 93] 1 x [80, 141] 1 x [63, 122] 1 x [37, 176] 2 x [31, 150] 1 x [20, 163] 1 x [29, 160] 1 x [82, 144] 1 x [33, 103] 1 x [79, 137] 1 x [72, 145] 1 x [66, 158] 1 x [102, 138] 1 x [65, 119] 1 x [86, 107] 1 x [30, 120] 2 x [10, 153] 1 x [9, 167] 1 x [11, 149] 1 x [62, 146] 1 x [52, 113] 1 x [3, 111] 1 x [42, 97] 1 x [90, 116] 1 x [60, 90] 1 x [78, 136] 1 x [59, 71] 1 x [51, 70] 1 x [56, 115] 1 x [50, 112] 1 x [47, 83] 1 x [9, 125] 1 x [6, 128] 1 x [64, 172] 1 x [43, 156] 1 x [57, 130] 1 x [35, 148] 1 x [13, 170] 1 x [1, 166] 1 x [8, 145] 1 x [41, 140] 1 x [25, 99] 1 x [85, 124] 1 x [75, 171] 1 x [5, 159] 1 x [61, 127] 1 x [58, 127] 1 x [74, 89] 1 x [46, 152] 1 x [18, 151] 1 x [69, 84] 1 x [55, 175] 2 x [27, 165] 1 x [5, 157] 1 x [41, 143] 1 x [32, 135] 1 x [34, 124] 1 x [38, 121] 1 x [105, 114] 1 x [77, 94] 1 x [38, 162] 1 x [28, 87] 1 x [16, 173] 1 x [68, 115] 1 x [54, 96] 1 x [26, 92] 1 x [23, 168] 1 x [4, 175] 2 x [36, 139] 1 x [21, 131] 1 x [12, 118] 1 x [49, 101] 1 x [24, 123] 1 x [2, 174] 1 x [40, 169] 1 x [15, 142] 1 x [76, 126] 1 x [44, 155] 1 x [22, 164] 1 x [98, 117] 1 x [53, 155] 1 x [7, 129] 1 x [108, 110] 1 x [45, 104] 1 x [95, 100] 1 x [39, 45]