current bounds on the number of colors: 0 -- 108
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:26:31 2012
Optimize a model with 17820 rows, 6160 columns and 58968 nonzeros
Presolve time: 0.12s
Presolved: 17820 rows, 6160 columns, 58968 nonzeros
Variable types: 0 continuous, 6160 integer (6160 binary)
Root relaxation: objective 0.000000e+00, 316 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 (494 simplex iterations) in 0.16 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 -- 54
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:26:32 2012
Optimize a model with 8964 rows, 3244 columns and 29484 nonzeros
Presolve time: 0.04s
Presolved: 8964 rows, 3244 columns, 29484 nonzeros
Variable types: 0 continuous, 3244 integer (3244 binary)
Root relaxation: objective 0.000000e+00, 259 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 (444 simplex iterations) in 0.06 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 -- 27
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:26:32 2012
Optimize a model with 4372 rows, 1732 columns and 14196 nonzeros
Presolve time: 0.01s
Presolved: 4372 rows, 1732 columns, 14196 nonzeros
Variable types: 0 continuous, 1732 integer (1732 binary)
Root relaxation: objective 0.000000e+00, 226 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 (404 simplex iterations) in 0.03 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 -- 13
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:26:32 2012
Optimize a model with 2076 rows, 976 columns and 6552 nonzeros
Presolve time: 0.01s
Presolved: 2076 rows, 976 columns, 6552 nonzeros
Variable types: 0 continuous, 976 integer (976 binary)
Root relaxation: objective 0.000000e+00, 252 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 (485 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 -- 6
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:26:32 2012
Optimize a model with 1092 rows, 652 columns and 3276 nonzeros
Presolve time: 0.00s
Presolved: 1092 rows, 652 columns, 3276 nonzeros
Variable types: 0 continuous, 652 integer (652 binary)
Root relaxation: objective 0.000000e+00, 243 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 0 160 - 0.00000 - - 0s
0 0 0.00000 0 178 - 0.00000 - - 0s
0 0 0.00000 0 227 - 0.00000 - - 0s
0 0 0.00000 0 191 - 0.00000 - - 0s
0 0 0.00000 0 266 - 0.00000 - - 0s
0 0 0.00000 0 211 - 0.00000 - - 0s
0 0 0.00000 0 225 - 0.00000 - - 0s
0 0 0.00000 0 231 - 0.00000 - - 0s
0 0 0.00000 0 231 - 0.00000 - - 0s
0 2 0.00000 0 231 - 0.00000 - - 0s
Cutting planes:
Zero half: 21
Explored 5 nodes (9041 simplex iterations) in 0.61 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
current bounds on the number of colors: 3 -- 6
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:26:33 2012
Optimize a model with 1420 rows, 760 columns and 4368 nonzeros
Presolve time: 0.00s
Presolved: 1420 rows, 760 columns, 4368 nonzeros
Variable types: 0 continuous, 760 integer (760 binary)
Root relaxation: objective 0.000000e+00, 252 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 (1273 simplex iterations) in 0.04 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%
optimal solution found: number of colors: 4