Build (method = -2) #dp: 2092 Step-3' Graph: 82 vertices and 261 arcs (0.01s) Step-4' Graph: 26 vertices and 149 arcs (0.01s) #V4/#V3 = 0.32 #A4/#A3 = 0.57 Ready! (0.01s) Optimize a model with 89 rows, 150 columns and 403 nonzeros Presolve removed 33 rows and 35 columns Presolve time: 0.00s Presolved: 56 rows, 115 columns, 299 nonzeros Variable types: 0 continuous, 115 integer (5 binary) Found heuristic solution: objective 189.0000000 Found heuristic solution: objective 135.0000000 Found heuristic solution: objective 111.0000000 Optimize a model with 56 rows, 115 columns and 299 nonzeros Presolve removed 1 rows and 1 columns Presolved: 55 rows, 114 columns, 297 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.070e+02 Factor NZ : 8.210e+02 Factor Ops : 1.594e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.37150964e+03 -3.13097302e+03 3.82e+02 2.22e-16 9.30e+01 0s 1 8.43289305e+02 -1.07160233e+03 5.80e+01 8.88e-16 1.53e+01 0s 2 1.55951756e+02 -1.63712708e+02 7.37e-14 2.20e-14 1.23e+00 0s 3 1.14047699e+02 4.74021685e+01 5.68e-14 3.55e-15 2.56e-01 0s 4 1.00835348e+02 9.49598060e+01 4.09e-14 6.66e-16 2.26e-02 0s 5 1.00006338e+02 9.99882788e+01 9.24e-14 3.33e-16 6.95e-05 0s 6 1.00000000e+02 1.00000000e+02 1.07e-13 3.23e-16 7.41e-11 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 1.00000000e+02 Root relaxation: objective 1.000000e+02, 53 iterations, 0.00 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 (53 simplex iterations) in 0.01 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: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 100 Solution: 2 x [17, 63] 1 x [9, 62] 1 x [9, 61] 3 x [6, 60] 3 x [5, 59] 1 x [22, 58] 3 x [16, 58] 6 x [15, 57] 1 x [23, 56] 5 x [13, 56] 1 x [25, 55] 3 x [25, 54] 3 x [2, 53] 1 x [27, 52] 2 x [18, 52] 2 x [29, 51] 2 x [14, 50] 5 x [27, 49] 2 x [32, 48] 4 x [26, 47] 3 x [33, 46] 1 x [32, 46] 7 x [2, 45] 2 x [36, 44] 4 x [37, 43] 3 x [38, 42] 2 x [39, 41] 2 x [40, 40] 1 x [39, 39] 2 x [34, 35] 1 x [28, 31] 1 x [29, 30] 3 x [12, 24] 1 x [4, 24] 5 x [3, 23] 1 x [7, 21] 4 x [19, 20] 3 x [10, 11] 3 x [1, 8]