current bounds on the number of colors: 0 -- 64
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:20:26 2012
Optimize a model with 3136 rows, 2144 columns and 11264 nonzeros
Presolve removed 6 rows and 192 columns
Presolve time: 0.02s
Presolved: 3130 rows, 1952 columns, 11072 nonzeros
Variable types: 0 continuous, 1952 integer (1952 binary)
Root relaxation: objective 0.000000e+00, 127 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 (127 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 -- 32
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:20:26 2012
Optimize a model with 1600 rows, 1120 columns and 5632 nonzeros
Presolve removed 6 rows and 96 columns
Presolve time: 0.01s
Presolved: 1594 rows, 1024 columns, 5536 nonzeros
Variable types: 0 continuous, 1024 integer (1024 binary)
Root relaxation: objective 0.000000e+00, 121 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 (200 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 Fri Dec 14 18:20:26 2012
Optimize a model with 832 rows, 608 columns and 2816 nonzeros
Presolve removed 6 rows and 48 columns
Presolve time: 0.00s
Presolved: 826 rows, 560 columns, 2768 nonzeros
Variable types: 0 continuous, 560 integer (560 binary)
Root relaxation: objective 0.000000e+00, 121 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 (121 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 Fri Dec 14 18:20:26 2012
Optimize a model with 448 rows, 352 columns and 1408 nonzeros
Presolve removed 6 rows and 24 columns
Presolve time: 0.00s
Presolved: 442 rows, 328 columns, 1384 nonzeros
Variable types: 0 continuous, 328 integer (328 binary)
Root relaxation: objective 0.000000e+00, 129 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 (194 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 Fri Dec 14 18:20:26 2012
Optimize a model with 256 rows, 224 columns and 704 nonzeros
Presolve removed 64 rows and 70 columns
Presolve time: 0.00s
Presolved: 192 rows, 154 columns, 576 nonzeros
Variable types: 0 continuous, 154 integer (154 binary)
Root relaxation: objective 0.000000e+00, 65 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 58 - 0.00000 - - 0s
Explored 0 nodes (228 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 Fri Dec 14 18:20:26 2012
Optimize a model with 352 rows, 288 columns and 1056 nonzeros
Presolve removed 6 rows and 18 columns
Presolve time: 0.00s
Presolved: 346 rows, 270 columns, 1038 nonzeros
Variable types: 0 continuous, 270 integer (270 binary)
Root relaxation: objective 0.000000e+00, 140 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 (217 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