Build (method = -2) #dp: 1454 Step-3' Graph: 102 vertices and 298 arcs (0.01s) Step-4' Graph: 4 vertices and 102 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 54 rows, 103 columns and 306 nonzeros Presolve removed 3 rows and 2 columns Presolve time: 0.00s Presolved: 51 rows, 101 columns, 201 nonzeros Variable types: 0 continuous, 101 integer (0 binary) Found heuristic solution: objective 3.899998e+07 Optimize a model with 51 rows, 101 columns and 201 nonzeros Presolved: 51 rows, 101 columns, 201 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.000e+01 Factor NZ : 5.360e+02 Factor Ops : 1.050e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.06041106e+07 -5.53960396e+07 3.15e+05 0.00e+00 5.89e+05 0s 1 3.61231955e+07 1.80157420e+07 9.31e-09 2.22e-16 7.24e+04 0s 2 3.00569357e+07 2.96339002e+07 4.25e-08 1.11e-16 1.68e+03 0s 3 3.00000567e+07 2.99996337e+07 3.01e-08 7.02e-17 1.68e+00 0s 4 3.00000001e+07 2.99999996e+07 1.25e-07 1.11e-16 1.68e-03 0s 5 3.00000000e+07 3.00000000e+07 5.85e-08 1.11e-15 1.68e-09 0s Barrier solved model in 5 iterations and 0.00 seconds Optimal objective 3.00000000e+07 Root relaxation: objective 3.000000e+07, 56 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.000000e+07 3.0000e+07 0.0% - 0s Explored 0 nodes (56 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.000000000000e+07, best bound 3.000000000000e+07, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 30000000 Solution: 1000000 x [40, 41] 1000000 x [35, 37] 1000000 x [34, 46] 1000000 x [28, 30] 1000000 x [23, 27] 2000000 x [21, 44] 1000000 x [20, 45] 1000000 x [5, 11] 1000000 x [42, 43] 1000000 x [33, 39] 1000000 x [31, 38] 1000000 x [29, 36] 2000000 x [19, 32] 2000000 x [10, 26] 1000000 x [22, 25] 1000000 x [18, 24] 1000000 x [16, 17] 1000000 x [14, 15] 1000000 x [6, 13] 1000000 x [3, 12] 1000000 x [1, 9] 1000000 x [1, 8] 1000000 x [7, 48] 2000000 x [4, 50] 1000000 x [2, 48] 1000000 x [47, 49]