current bounds on the number of colors: 0 -- 245
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:09 2012
Optimize a model with 40993 rows, 30224 columns and 152134 nonzeros
Presolve removed 18 rows and 2196 columns
Presolve time: 0.20s
Presolved: 40975 rows, 28028 columns, 149938 nonzeros
Variable types: 0 continuous, 28028 integer (28028 binary)
Root relaxation: objective 0.000000e+00, 476 iterations, 0.02 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 (728 simplex iterations) in 0.27 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 -- 122
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:10 2012
Optimize a model with 20619 rows, 15279 columns and 76067 nonzeros
Presolve removed 18 rows and 1098 columns
Presolve time: 0.13s
Presolved: 20601 rows, 14181 columns, 74969 nonzeros
Variable types: 0 continuous, 14181 integer (14181 binary)
Root relaxation: objective 0.000000e+00, 472 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 (721 simplex iterations) in 0.17 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 -- 61
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:10 2012
Optimize a model with 10265 rows, 7684 columns and 37410 nonzeros
Presolve removed 18 rows and 540 columns
Presolve time: 0.06s
Presolved: 10247 rows, 7144 columns, 36870 nonzeros
Variable types: 0 continuous, 7144 integer (7144 binary)
Root relaxation: objective 0.000000e+00, 483 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 (778 simplex iterations) in 0.08 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 -- 30
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:11 2012
Optimize a model with 5255 rows, 4009 columns and 18705 nonzeros
Presolve removed 18 rows and 270 columns
Presolve time: 0.02s
Presolved: 5237 rows, 3739 columns, 18435 nonzeros
Variable types: 0 continuous, 3739 integer (3739 binary)
Root relaxation: objective 0.000000e+00, 475 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 (753 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%
current bounds on the number of colors: 0 -- 15
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:11 2012
Optimize a model with 2583 rows, 2049 columns and 8729 nonzeros
Presolve removed 18 rows and 126 columns
Presolve time: 0.01s
Presolved: 2565 rows, 1923 columns, 8603 nonzeros
Variable types: 0 continuous, 1923 integer (1923 binary)
Root relaxation: objective 0.000000e+00, 457 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 (681 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 16:46:11 2012
Optimize a model with 1247 rows, 1069 columns and 3741 nonzeros
Presolve removed 18 rows and 54 columns
Presolve time: 0.00s
Presolved: 1229 rows, 1015 columns, 3687 nonzeros
Variable types: 0 continuous, 1015 integer (1015 binary)
Root relaxation: objective 0.000000e+00, 495 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 8 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (881 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:11 2012
Optimize a model with 579 rows, 579 columns and 1247 nonzeros
Presolve removed 579 rows and 579 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 16:46:11 2012
Optimize a model with 913 rows, 824 columns and 2494 nonzeros
Presolve removed 247 rows and 266 columns
Presolve time: 0.00s
Presolved: 666 rows, 558 columns, 1998 nonzeros
Variable types: 0 continuous, 558 integer (558 binary)
Root relaxation: objective 0.000000e+00, 246 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 0 225 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (850 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