current bounds on the number of colors: 0 -- 84
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:57 2012
Optimize a model with 6720 rows, 3686 columns and 23436 nonzeros
Presolve removed 1 rows and 42 columns
Presolve time: 0.05s
Presolved: 6719 rows, 3644 columns, 23394 nonzeros
Variable types: 0 continuous, 3644 integer (3644 binary)
Root relaxation: objective 0.000000e+00, 177 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 (177 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 -- 42
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:58 2012
Optimize a model with 3402 rows, 1922 columns and 11718 nonzeros
Presolve removed 1 rows and 21 columns
Presolve time: 0.02s
Presolved: 3401 rows, 1901 columns, 11697 nonzeros
Variable types: 0 continuous, 1901 integer (1901 binary)
Root relaxation: objective 0.000000e+00, 179 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 (179 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 -- 21
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:58 2012
Optimize a model with 1664 rows, 998 columns and 5580 nonzeros
Presolve removed 1 rows and 10 columns
Presolve time: 0.01s
Presolved: 1663 rows, 988 columns, 5570 nonzeros
Variable types: 0 continuous, 988 integer (988 binary)
Root relaxation: objective 0.000000e+00, 180 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 (291 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 -- 10
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:58 2012
Optimize a model with 874 rows, 578 columns and 2790 nonzeros
Presolve removed 1 rows and 5 columns
Presolve time: 0.00s
Presolved: 873 rows, 573 columns, 2785 nonzeros
Variable types: 0 continuous, 573 integer (573 binary)
Root relaxation: objective 0.000000e+00, 193 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 (300 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 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:58 2012
Optimize a model with 400 rows, 326 columns and 1116 nonzeros
Presolve removed 84 rows and 85 columns
Presolve time: 0.00s
Presolved: 316 rows, 241 columns, 948 nonzeros
Variable types: 0 continuous, 241 integer (241 binary)
Root relaxation: objective 0.000000e+00, 87 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 83 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (303 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 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:58 2012
Optimize a model with 558 rows, 410 columns and 1674 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 557 rows, 407 columns, 1671 nonzeros
Variable types: 0 continuous, 407 integer (407 binary)
Root relaxation: objective 0.000000e+00, 209 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 75 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (644 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: 3