current bounds on the number of colors: 0 -- 33
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:44 2012
Optimize a model with 993 rows, 588 columns and 3408 nonzeros
Presolve removed 2 rows and 32 columns
Presolve time: 0.00s
Presolved: 991 rows, 556 columns, 3376 nonzeros
Variable types: 0 continuous, 556 integer (556 binary)
Root relaxation: objective 0.000000e+00, 68 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 (116 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 -- 16
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:44 2012
Optimize a model with 513 rows, 324 columns and 1704 nonzeros
Presolve removed 2 rows and 16 columns
Presolve time: 0.00s
Presolved: 511 rows, 308 columns, 1688 nonzeros
Variable types: 0 continuous, 308 integer (308 binary)
Root relaxation: objective 0.000000e+00, 62 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 (109 simplex iterations) in 0.00 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 19:35:44 2012
Optimize a model with 273 rows, 192 columns and 852 nonzeros
Presolve removed 2 rows and 8 columns
Presolve time: 0.00s
Presolved: 271 rows, 184 columns, 844 nonzeros
Variable types: 0 continuous, 184 integer (184 binary)
Root relaxation: objective 0.000000e+00, 67 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 (162 simplex iterations) in 0.00 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 19:35:44 2012
Optimize a model with 153 rows, 126 columns and 426 nonzeros
Presolve removed 33 rows and 35 columns
Presolve time: 0.00s
Presolved: 120 rows, 91 columns, 360 nonzeros
Variable types: 0 continuous, 91 integer (91 binary)
Root relaxation: objective 0.000000e+00, 33 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 31 - 0.00000 - - 0s
Explored 0 nodes (103 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 19:35:44 2012
Optimize a model with 213 rows, 159 columns and 639 nonzeros
Presolve removed 2 rows and 6 columns
Presolve time: 0.00s
Presolved: 211 rows, 153 columns, 633 nonzeros
Variable types: 0 continuous, 153 integer (153 binary)
Root relaxation: objective 0.000000e+00, 70 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 48 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (233 simplex iterations) in 0.00 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: 3