Build (method = -2) #dp: 2476 Step-3' Graph: 483 vertices and 1442 arcs (0.03s) Step-4' Graph: 148 vertices and 772 arcs (0.04s) #V4/#V3 = 0.31 #A4/#A3 = 0.54 Ready! (0.04s) Optimize a model with 268 rows, 773 columns and 2027 nonzeros Presolve removed 130 rows and 133 columns Presolve time: 0.01s Presolved: 138 rows, 640 columns, 1733 nonzeros Variable types: 0 continuous, 640 integer (473 binary) Found heuristic solution: objective 101.0000000 Found heuristic solution: objective 100.0000000 Optimize a model with 138 rows, 640 columns and 1733 nonzeros Presolved: 138 rows, 640 columns, 1733 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 9.540e+02 Factor NZ : 3.180e+03 Factor Ops : 8.709e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.73148778e+02 -1.01933889e+03 2.60e+03 2.64e-01 9.64e+00 0s 1 2.08167886e+02 -4.19065895e+02 6.11e+02 6.66e-16 2.40e+00 0s 2 1.24551907e+02 -8.11628149e+01 9.00e+01 1.11e-15 3.96e-01 0s 3 1.04148531e+02 5.03043893e+01 9.34e+00 8.88e-16 6.13e-02 0s 4 9.86382575e+01 8.65795777e+01 5.02e-01 4.44e-16 9.98e-03 0s 5 9.68357323e+01 9.04474159e+01 1.75e-01 4.44e-16 5.14e-03 0s 6 9.55648363e+01 9.26029799e+01 6.00e-02 4.44e-16 2.36e-03 0s 7 9.52274195e+01 9.40864501e+01 3.36e-02 4.44e-16 9.18e-04 0s 8 9.50232585e+01 9.48869728e+01 6.58e-04 4.44e-16 1.07e-04 0s 9 9.50002953e+01 9.49981699e+01 1.69e-06 4.44e-16 1.66e-06 0s 10 9.50000003e+01 9.49999982e+01 7.49e-13 4.44e-16 1.66e-09 0s 11 9.50000000e+01 9.50000000e+01 8.94e-14 4.44e-16 1.66e-12 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 9.50000000e+01 Root relaxation: objective 9.500000e+01, 364 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 95.0000000 95.00000 0.0% - 0s Explored 0 nodes (588 simplex iterations) in 0.03 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 9.500000000000e+01, best bound 9.500000000000e+01, gap 0.0% Preprocessing time: 0.04 seconds Gurobi run time: 0.03 seconds Total run time: 0.08 seconds Objective: 95 Solution: 1 x [9] 1 x [117] 1 x [3] 1 x [19] 1 x [71] 1 x [93] 1 x [62] 1 x [20] 1 x [29] 1 x [35] 1 x [46] 1 x [101] 1 x [17] 1 x [28] 1 x [23] 1 x [89] 1 x [68] 1 x [21] 1 x [83] 1 x [58, 94] 1 x [59] 1 x [27] 1 x [75] 1 x [84] 1 x [55] 1 x [107] 1 x [111] 1 x [5, 112] 1 x [14] 1 x [78] 1 x [57] 1 x [49] 1 x [66] 1 x [76] 1 x [73] 1 x [4, 15] 1 x [32] 1 x [18] 1 x [69] 1 x [48] 1 x [31, 120] 1 x [39, 90] 1 x [34] 1 x [37] 1 x [118] 1 x [116] 1 x [33] 1 x [16] 1 x [67, 85] 1 x [41] 1 x [113] 1 x [98] 1 x [99] 1 x [114] 1 x [115] 1 x [11] 1 x [30] 1 x [36] 1 x [108] 1 x [51] 1 x [38, 82] 1 x [54] 1 x [72] 1 x [25] 1 x [52] 1 x [88] 1 x [61] 1 x [80] 1 x [53, 74] 1 x [42, 60, 64] 1 x [110] 1 x [8] 1 x [105] 1 x [91] 1 x [44] 1 x [70] 1 x [92, 109] 1 x [12] 1 x [100] 1 x [47, 119] 1 x [1, 10] 1 x [40] 1 x [65] 1 x [43, 77, 87] 1 x [96] 1 x [79] 1 x [26, 103] 1 x [2, 6] 1 x [24] 1 x [63, 95] 1 x [56, 102, 106] 1 x [22, 50] 1 x [81, 86, 104] 1 x [7, 45] 1 x [13, 97]