Build (method = -2) #dp: 189 Step-3' Graph: 32 vertices and 87 arcs (0.00s) Step-4' Graph: 5 vertices and 33 arcs (0.00s) #V4/#V3 = 0.16 #A4/#A3 = 0.38 Ready! (0.00s) Optimize a model with 15 rows, 34 columns and 98 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.00s Presolved: 13 rows, 32 columns, 94 nonzeros Variable types: 0 continuous, 32 integer (0 binary) Found heuristic solution: objective 999.0000000 Found heuristic solution: objective 842.0000000 Optimize a model with 13 rows, 32 columns and 94 nonzeros Presolved: 13 rows, 32 columns, 94 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.300e+01 Factor NZ : 9.100e+01 Factor Ops : 8.190e+02 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.14620107e+03 -2.64173212e+03 2.58e+02 0.00e+00 1.43e+02 0s 1 7.05796189e+02 -7.98844773e+02 1.30e+01 1.11e-16 2.29e+01 0s 2 3.85637344e+02 1.89102092e+02 1.02e-02 3.33e-16 2.67e+00 0s 3 3.35734575e+02 2.98950087e+02 9.40e-05 2.22e-16 4.97e-01 0s 4 3.33527238e+02 3.32415327e+02 9.69e-14 1.11e-16 1.50e-02 0s 5 3.33333446e+02 3.33333301e+02 1.41e-13 1.11e-16 1.97e-06 0s 6 3.33333333e+02 3.33333333e+02 1.09e-13 1.53e-16 2.00e-12 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 3.33333333e+02 Root relaxation: objective 3.333333e+02, 24 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 333.33333 0 3 842.00000 333.33333 60.4% - 0s H 0 0 334.0000000 333.33333 0.20% - 0s Explored 0 nodes (31 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.340000000000e+02, best bound 3.340000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 334 Solution: 105 x [3, 8, 10] 9 x [2, 3, 8] 44 x [3, 4, 5] 95 x [1, 8, 9] 1 x [1, 4, 6] 1 x [8] 2 x [2, 6, 8] 4 x [2, 5, 6] 18 x [2, 2, 7] 55 x [2, 2, 4]