current bounds on the number of colors: 0 -- 103
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:25:09 2012
Optimize a model with 15250 rows, 5550 columns and 50694 nonzeros
Presolve time: 0.10s
Presolved: 15250 rows, 5550 columns, 50694 nonzeros
Variable types: 0 continuous, 5550 integer (5550 binary)
Root relaxation: objective 0.000000e+00, 293 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 (493 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 -- 51
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:25:09 2012
Optimize a model with 7528 rows, 2872 columns and 24850 nonzeros
Presolve time: 0.03s
Presolved: 7528 rows, 2872 columns, 24850 nonzeros
Variable types: 0 continuous, 2872 integer (2872 binary)
Root relaxation: objective 0.000000e+00, 236 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 (405 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 -- 25
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:25:09 2012
Optimize a model with 3667 rows, 1533 columns and 11928 nonzeros
Presolve time: 0.01s
Presolved: 3667 rows, 1533 columns, 11928 nonzeros
Variable types: 0 continuous, 1533 integer (1533 binary)
Root relaxation: objective 0.000000e+00, 223 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 (379 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 -- 12
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:25:09 2012
Optimize a model with 1885 rows, 915 columns and 5964 nonzeros
Presolve time: 0.01s
Presolved: 1885 rows, 915 columns, 5964 nonzeros
Variable types: 0 continuous, 915 integer (915 binary)
Root relaxation: objective 0.000000e+00, 230 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 (417 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 18:25:09 2012
Optimize a model with 994 rows, 606 columns and 2982 nonzeros
Presolve time: 0.00s
Presolved: 994 rows, 606 columns, 2982 nonzeros
Variable types: 0 continuous, 606 integer (606 binary)
Root relaxation: objective 0.000000e+00, 227 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 0 202 - 0.00000 - - 0s
0 0 0.00000 0 192 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 0.00000 0 243 - 0.00000 - - 0s
0 0 0.00000 0 190 - 0.00000 - - 0s
0 0 0.00000 0 237 - 0.00000 - - 0s
0 0 0.00000 0 224 - 0.00000 - - 0s
0 0 0.00000 0 234 - 0.00000 - - 0s
0 0 0.00000 0 169 - 0.00000 - - 0s
0 0 0.00000 0 244 - 0.00000 - - 0s
0 0 0.00000 0 244 - 0.00000 - - 0s
0 2 0.00000 0 244 - 0.00000 - - 0s
Cutting planes:
Zero half: 33
Explored 5 nodes (9972 simplex iterations) in 0.63 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 18:25:10 2012
Optimize a model with 1291 rows, 709 columns and 3976 nonzeros
Presolve time: 0.00s
Presolved: 1291 rows, 709 columns, 3976 nonzeros
Variable types: 0 continuous, 709 integer (709 binary)
Root relaxation: objective 0.000000e+00, 228 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 (609 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%
optimal solution found: number of colors: 4