Optimize a model with 70 rows, 2415 columns and 4830 nonzeros Presolve time: 0.00s Presolved: 70 rows, 2415 columns, 4830 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.6000000e+01 1.370000e+02 0.000000e+00 0s 112 6.2350000e+02 0.000000e+00 0.000000e+00 0s Solved in 112 iterations and 0.00 seconds Optimal objective 6.235000000e+02 Optimize a model with 82 rows, 2415 columns and 5253 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 6.2350000e+02 1.200000e+01 0.000000e+00 0s 15 6.4750000e+02 0.000000e+00 0.000000e+00 0s Solved in 15 iterations and 0.00 seconds Optimal objective 6.475000000e+02 Optimize a model with 88 rows, 2415 columns and 6343 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 6.4750000e+02 6.000000e+00 0.000000e+00 0s 13 6.6300000e+02 0.000000e+00 0.000000e+00 0s Solved in 13 iterations and 0.00 seconds Optimal objective 6.630000000e+02 Optimize a model with 91 rows, 2415 columns and 8247 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 6.6300000e+02 3.000000e+00 0.000000e+00 0s 4 6.6900000e+02 0.000000e+00 0.000000e+00 0s Solved in 4 iterations and 0.00 seconds Optimal objective 6.690000000e+02 Optimize a model with 91 rows, 2415 columns and 8247 nonzeros Presolve time: 0.01s Presolved: 91 rows, 2415 columns, 8247 nonzeros Variable types: 0 continuous, 2415 integer (2415 binary) Root relaxation: objective 6.690000e+02, 131 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 669.00000 0 12 - 669.00000 - - 0s H 0 0 982.0000000 669.00000 31.9% - 0s H 0 0 730.0000000 669.00000 8.36% - 0s 0 0 670.00000 0 26 730.00000 670.00000 8.22% - 0s 0 0 670.50000 0 17 730.00000 670.50000 8.15% - 0s 0 0 671.00000 0 23 730.00000 671.00000 8.08% - 0s 0 0 671.75000 0 27 730.00000 671.75000 7.98% - 0s H 0 0 677.0000000 671.75000 0.78% - 0s 0 0 672.33333 0 23 677.00000 672.33333 0.69% - 0s 0 0 672.33333 0 12 677.00000 672.33333 0.69% - 0s 0 0 672.33333 0 30 677.00000 672.33333 0.69% - 0s 0 0 673.00000 0 13 677.00000 673.00000 0.59% - 0s * 0 0 0 673.0000000 673.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 10 Explored 0 nodes (322 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.730000000000e+02, best bound 6.730000000000e+02, gap 0.0% Optimize a model with 95 rows, 2415 columns and 9715 nonzeros Presolve time: 0.01s Presolved: 95 rows, 2415 columns, 9715 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2415 integer (2415 binary) Root relaxation: objective 6.705000e+02, 140 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 670.50000 0 6 - 670.50000 - - 0s Another try with MIP start H 0 0 685.0000000 670.50000 2.12% - 0s 0 0 671.00000 0 12 685.00000 671.00000 2.04% - 0s 0 0 671.00000 0 6 685.00000 671.00000 2.04% - 0s 0 0 672.00000 0 18 685.00000 672.00000 1.90% - 0s 0 0 672.75000 0 18 685.00000 672.75000 1.79% - 0s 0 0 673.83333 0 22 685.00000 673.83333 1.63% - 0s * 0 0 0 674.0000000 674.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 7 Explored 0 nodes (334 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.740000000000e+02, best bound 6.740000000000e+02, gap 0.0% Optimize a model with 97 rows, 2415 columns and 11689 nonzeros Presolve time: 0.01s Presolved: 97 rows, 2415 columns, 11689 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2415 integer (2415 binary) Root relaxation: objective 6.705000e+02, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 670.50000 0 6 - 670.50000 - - 0s Another try with MIP start H 0 0 808.0000000 670.50000 17.0% - 0s H 0 0 690.0000000 670.50000 2.83% - 0s 0 0 671.00000 0 12 690.00000 671.00000 2.75% - 0s 0 0 671.00000 0 6 690.00000 671.00000 2.75% - 0s 0 0 672.50000 0 24 690.00000 672.50000 2.54% - 0s 0 0 673.00000 0 18 690.00000 673.00000 2.46% - 0s 0 0 673.20000 0 28 690.00000 673.20000 2.43% - 0s 0 0 673.33333 0 38 690.00000 673.33333 2.42% - 0s 0 0 673.33333 0 38 690.00000 673.33333 2.42% - 0s 0 0 673.60000 0 36 690.00000 673.60000 2.38% - 0s H 0 0 677.0000000 673.60000 0.50% - 0s 0 0 673.60000 0 29 677.00000 673.60000 0.50% - 0s 0 1 674.33333 0 28 677.00000 674.33333 0.39% - 0s Explored 2 nodes (340 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.750000000000e+02, best bound 6.750000000000e+02, gap 0.0% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:42:26 2012