current bounds on the number of colors: 0 -- 87
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:20 2012
Optimize a model with 7483 rows, 3913 columns and 25929 nonzeros
Presolve removed 2 rows and 86 columns
Presolve time: 0.05s
Presolved: 7481 rows, 3827 columns, 25843 nonzeros
Variable types: 0 continuous, 3827 integer (3827 binary)
Root relaxation: objective 0.000000e+00, 199 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 (199 simplex iterations) in 0.06 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 -- 43
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:21 2012
Optimize a model with 3699 rows, 1999 columns and 12663 nonzeros
Presolve removed 2 rows and 42 columns
Presolve time: 0.02s
Presolved: 3697 rows, 1957 columns, 12621 nonzeros
Variable types: 0 continuous, 1957 integer (1957 binary)
Root relaxation: objective 0.000000e+00, 195 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 (326 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 18:22:21 2012
Optimize a model with 1807 rows, 1042 columns and 6030 nonzeros
Presolve removed 2 rows and 20 columns
Presolve time: 0.01s
Presolved: 1805 rows, 1022 columns, 6010 nonzeros
Variable types: 0 continuous, 1022 integer (1022 binary)
Root relaxation: objective 0.000000e+00, 194 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 (314 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 18:22:21 2012
Optimize a model with 947 rows, 607 columns and 3015 nonzeros
Presolve removed 2 rows and 10 columns
Presolve time: 0.00s
Presolved: 945 rows, 597 columns, 3005 nonzeros
Variable types: 0 continuous, 597 integer (597 binary)
Root relaxation: objective 0.000000e+00, 194 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 (324 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 18:22:21 2012
Optimize a model with 431 rows, 346 columns and 1206 nonzeros
Presolve removed 87 rows and 89 columns
Presolve time: 0.00s
Presolved: 344 rows, 257 columns, 1032 nonzeros
Variable types: 0 continuous, 257 integer (257 binary)
Root relaxation: objective 0.000000e+00, 89 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 85 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (338 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 18:22:21 2012
Optimize a model with 603 rows, 433 columns and 1809 nonzeros
Presolve removed 2 rows and 6 columns
Presolve time: 0.00s
Presolved: 601 rows, 427 columns, 1803 nonzeros
Variable types: 0 continuous, 427 integer (427 binary)
Root relaxation: objective 0.000000e+00, 200 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 0 128 - 0.00000 - - 0s
0 0 0.00000 0 128 - 0.00000 - - 0s
0 0 0.00000 0 43 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1738 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%
optimal solution found: number of colors: 3