current bounds on the number of colors: 0 -- 225
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:37:59 2012
Optimize a model with 32257 rows, 25486 columns and 121296 nonzeros
Presolve removed 18 rows and 2016 columns
Presolve time: 0.15s
Presolved: 32239 rows, 23470 columns, 119280 nonzeros
Variable types: 0 continuous, 23470 integer (23470 binary)
Root relaxation: objective 0.000000e+00, 403 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 (403 simplex iterations) in 0.18 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 -- 112
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:00 2012
Optimize a model with 16241 rows, 12886 columns and 60648 nonzeros
Presolve removed 18 rows and 1008 columns
Presolve time: 0.12s
Presolved: 16223 rows, 11878 columns, 59640 nonzeros
Variable types: 0 continuous, 11878 integer (11878 binary)
Root relaxation: objective 0.000000e+00, 411 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 (411 simplex iterations) in 0.13 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 -- 56
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:00 2012
Optimize a model with 8233 rows, 6586 columns and 30324 nonzeros
Presolve removed 18 rows and 504 columns
Presolve time: 0.05s
Presolved: 8215 rows, 6082 columns, 29820 nonzeros
Variable types: 0 continuous, 6082 integer (6082 binary)
Root relaxation: objective 0.000000e+00, 409 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 (409 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 -- 28
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:00 2012
Optimize a model with 4229 rows, 3436 columns and 15162 nonzeros
Presolve removed 18 rows and 252 columns
Presolve time: 0.02s
Presolved: 4211 rows, 3184 columns, 14910 nonzeros
Variable types: 0 continuous, 3184 integer (3184 binary)
Root relaxation: objective 0.000000e+00, 412 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 (412 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 -- 14
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:00 2012
Optimize a model with 2227 rows, 1861 columns and 7581 nonzeros
Presolve removed 18 rows and 126 columns
Presolve time: 0.01s
Presolved: 2209 rows, 1735 columns, 7455 nonzeros
Variable types: 0 continuous, 1735 integer (1735 binary)
Root relaxation: objective 0.000000e+00, 411 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 (611 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 -- 7
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:01 2012
Optimize a model with 1083 rows, 961 columns and 3249 nonzeros
Presolve removed 18 rows and 54 columns
Presolve time: 0.00s
Presolved: 1065 rows, 907 columns, 3195 nonzeros
Variable types: 0 continuous, 907 integer (907 binary)
Root relaxation: objective 0.000000e+00, 431 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 (626 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:01 2012
Optimize a model with 511 rows, 511 columns and 1083 nonzeros
Presolve removed 511 rows and 511 columns
Presolve time: 0.00s
Explored 0 nodes (0 simplex iterations) in 0.00 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: 1 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:01 2012
Optimize a model with 797 rows, 736 columns and 2166 nonzeros
Presolve removed 229 rows and 249 columns
Presolve time: 0.00s
Presolved: 568 rows, 487 columns, 1704 nonzeros
Variable types: 0 continuous, 487 integer (487 binary)
Root relaxation: objective 0.000000e+00, 222 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 0 200 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (783 simplex iterations) in 0.01 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: 3