current bounds on the number of colors: 0 -- 68
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:52 2012
Optimize a model with 7378 rows, 2527 columns and 24242 nonzeros
Presolve time: 0.04s
Presolved: 7378 rows, 2527 columns, 24242 nonzeros
Variable types: 0 continuous, 2527 integer (2527 binary)
Root relaxation: objective 0.000000e+00, 194 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (320 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 34
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:52 2012
Optimize a model with 3723 rows, 1371 columns and 12121 nonzeros
Presolve time: 0.01s
Presolved: 3723 rows, 1371 columns, 12121 nonzeros
Variable types: 0 continuous, 1371 integer (1371 binary)
Root relaxation: objective 0.000000e+00, 154 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (279 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 17
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:52 2012
Optimize a model with 1788 rows, 759 columns and 5704 nonzeros
Presolve time: 0.01s
Presolved: 1788 rows, 759 columns, 5704 nonzeros
Variable types: 0 continuous, 759 integer (759 binary)
Root relaxation: objective 0.000000e+00, 146 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (249 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 8
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:53 2012
Optimize a model with 928 rows, 487 columns and 2852 nonzeros
Presolve time: 0.00s
Presolved: 928 rows, 487 columns, 2852 nonzeros
Variable types: 0 continuous, 487 integer (487 binary)
Root relaxation: objective 0.000000e+00, 153 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (465 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:53 2012
Optimize a model with 498 rows, 351 columns and 1426 nonzeros
Presolve removed 68 rows and 68 columns
Presolve time: 0.00s
Presolved: 430 rows, 283 columns, 1290 nonzeros
Variable types: 0 continuous, 283 integer (283 binary)
Root relaxation: objective 0.000000e+00, 76 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 68 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (281 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
current bounds on the number of colors: 2 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:53 2012
Optimize a model with 713 rows, 419 columns and 2139 nonzeros
Presolve time: 0.00s
Presolved: 713 rows, 419 columns, 2139 nonzeros
Variable types: 0 continuous, 419 integer (419 binary)
Root relaxation: objective 0.000000e+00, 153 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 132 - 0.00000 - - 0s
0 0 0.00000 0 134 - 0.00000 - - 0s
0 0 0.00000 0 151 - 0.00000 - - 0s
0 0 0.00000 0 172 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 1
Zero half: 71
Explored 0 nodes (2132 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
optimal solution found: number of colors: 4