Build (method = -2) #dp: 1857 Step-3' Graph: 34 vertices and 181 arcs (0.00s) Step-4' Graph: 17 vertices and 147 arcs (0.01s) #V4/#V3 = 0.50 #A4/#A3 = 0.81 Ready! (0.01s) Optimize a model with 117 rows, 148 columns and 415 nonzeros Presolve removed 95 rows and 107 columns Presolve time: 0.00s Presolved: 22 rows, 41 columns, 106 nonzeros Variable types: 0 continuous, 41 integer (0 binary) Found heuristic solution: objective 3216.0000000 Found heuristic solution: objective 2783.0000000 Optimize a model with 22 rows, 41 columns and 106 nonzeros Presolved: 22 rows, 41 columns, 106 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 4.100e+01 Factor NZ : 2.530e+02 Factor Ops : 3.795e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.01721905e+04 -4.77741158e+03 4.55e+03 2.22e-16 3.51e+02 0s 1 3.78364776e+03 4.17258846e+02 3.45e+02 2.78e-16 4.52e+01 0s 2 2.84833207e+03 1.97251429e+03 1.53e+01 2.22e-16 9.50e+00 0s 3 2.64204257e+03 2.54071741e+03 9.81e-01 2.22e-16 1.08e+00 0s 4 2.62703752e+03 2.62439915e+03 1.26e-03 2.22e-16 2.81e-02 0s 5 2.62600018e+03 2.62599985e+03 3.02e-07 2.22e-16 3.60e-06 0s 6 2.62600000e+03 2.62600000e+03 2.84e-13 1.11e-16 3.60e-12 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 2.62600000e+03 Root relaxation: objective 2.626000e+03, 21 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 2626.0000000 2626.00000 0.0% - 0s Explored 0 nodes (21 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.626000000000e+03, best bound 2.626000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 2626 Solution: 4 x [94] 40 x [8] 37 x [99] 45 x [42] 43 x [100] 3 x [34] 17 x [24] 3 x [14] 9 x [86] 19 x [61] 13 x [44, 92] 24 x [27] 42 x [20] 50 x [32] 28 x [23] 20 x [67] 74 x [57] 45 x [54] 1 x [33, 82] 38 x [91] 68 x [58] 2 x [17] 17 x [17, 72] 32 x [85] 91 x [51] 57 x [26] 75 x [90] 31 x [80] 50 x [64] 10 x [18, 41] 30 x [40] 28 x [22, 73] 20 x [30, 49] 9 x [36, 41] 60 x [78] 43 x [69] 50 x [35] 35 x [83] 29 x [74, 96] 9 x [41, 70] 19 x [55, 96] 8 x [10, 63] 38 x [29] 24 x [1, 73] 44 x [71] 26 x [37, 98] 29 x [12, 21] 8 x [41, 89] 7 x [30, 48] 45 x [97] 17 x [81, 98] 7 x [11, 59] 33 x [46] 3 x [11, 13] 43 x [76] 3 x [68, 82] 37 x [25] 10 x [21, 45] 30 x [21, 39] 26 x [79, 98] 2 x [11, 28] 10 x [41, 60] 22 x [15, 43] 14 x [41, 77] 29 x [21, 75] 5 x [5, 73] 48 x [9] 24 x [6, 73] 25 x [65, 98] 41 x [53] 76 x [47] 13 x [7, 41] 2 x [2, 98] 1 x [2, 41] 41 x [88] 13 x [52, 66] 31 x [31] 30 x [56, 66] 44 x [19] 75 x [3, 95] 96 x [93] 78 x [38, 84] 1 x [66, 84] 12 x [4, 62] 12 x [62, 95] 6 x [62, 66] 23 x [30, 62] 5 x [16, 87] 64 x [50, 87] 25 x [16, 50]