current bounds on the number of colors: 0 -- 213
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:58 2012
Optimize a model with 23427 rows, 22797 columns and 92220 nonzeros
Presolve removed 25 rows and 2650 columns
Presolve time: 0.14s
Presolved: 23402 rows, 20147 columns, 89570 nonzeros
Variable types: 0 continuous, 20147 integer (20147 binary)
Root relaxation: objective 0.000000e+00, 339 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 (339 simplex iterations) in 0.16 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 -- 106
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:59 2012
Optimize a model with 11820 rows, 11508 columns and 46110 nonzeros
Presolve removed 25 rows and 1325 columns
Presolve time: 0.11s
Presolved: 11795 rows, 10183 columns, 44785 nonzeros
Variable types: 0 continuous, 10183 integer (10183 binary)
Root relaxation: objective 0.000000e+00, 337 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 (337 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 -- 53
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:59 2012
Optimize a model with 5907 rows, 5757 columns and 22620 nonzeros
Presolve removed 25 rows and 650 columns
Presolve time: 0.04s
Presolved: 5882 rows, 5107 columns, 21970 nonzeros
Variable types: 0 continuous, 5107 integer (5107 binary)
Root relaxation: objective 0.000000e+00, 340 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 (340 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 -- 26
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:59 2012
Optimize a model with 3060 rows, 2988 columns and 11310 nonzeros
Presolve removed 25 rows and 325 columns
Presolve time: 0.01s
Presolved: 3035 rows, 2663 columns, 10985 nonzeros
Variable types: 0 continuous, 2663 integer (2663 binary)
Root relaxation: objective 0.000000e+00, 340 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 (340 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 -- 13
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:59 2012
Optimize a model with 1527 rows, 1497 columns and 5220 nonzeros
Presolve removed 25 rows and 150 columns
Presolve time: 0.01s
Presolved: 1502 rows, 1347 columns, 5070 nonzeros
Variable types: 0 continuous, 1347 integer (1347 binary)
Root relaxation: objective 0.000000e+00, 352 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 (502 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 Sat Dec 15 16:33:59 2012
Optimize a model with 870 rows, 858 columns and 2610 nonzeros
Presolve removed 25 rows and 75 columns
Presolve time: 0.00s
Presolved: 845 rows, 783 columns, 2535 nonzeros
Variable types: 0 continuous, 783 integer (783 binary)
Root relaxation: objective 0.000000e+00, 338 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 (526 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 16:33:59 2012
Optimize a model with 432 rows, 432 columns and 870 nonzeros
Presolve removed 432 rows and 432 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 16:33:59 2012
Optimize a model with 651 rows, 645 columns and 1740 nonzeros
Presolve removed 213 rows and 238 columns
Presolve time: 0.00s
Presolved: 438 rows, 407 columns, 1314 nonzeros
Variable types: 0 continuous, 407 integer (407 binary)
Root relaxation: objective 0.000000e+00, 215 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 0 182 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (662 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