current bounds on the number of colors: 0 -- 232
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:49 2012
Optimize a model with 30392 rows, 27172 columns and 117392 nonzeros
Presolve removed 14 rows and 1624 columns
Presolve time: 0.16s
Presolved: 30378 rows, 25548 columns, 115768 nonzeros
Variable types: 0 continuous, 25548 integer (25548 binary)
Root relaxation: objective 0.000000e+00, 405 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 (618 simplex iterations) in 0.21 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 -- 116
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:50 2012
Optimize a model with 15312 rows, 13716 columns and 58696 nonzeros
Presolve removed 14 rows and 812 columns
Presolve time: 0.12s
Presolved: 15298 rows, 12904 columns, 57884 nonzeros
Variable types: 0 continuous, 12904 integer (12904 binary)
Root relaxation: objective 0.000000e+00, 402 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 (612 simplex iterations) in 0.15 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 -- 58
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:50 2012
Optimize a model with 7772 rows, 6988 columns and 29348 nonzeros
Presolve removed 14 rows and 406 columns
Presolve time: 0.05s
Presolved: 7758 rows, 6582 columns, 28942 nonzeros
Variable types: 0 continuous, 6582 integer (6582 binary)
Root relaxation: objective 0.000000e+00, 412 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 (412 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 -- 29
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:50 2012
Optimize a model with 3872 rows, 3508 columns and 14168 nonzeros
Presolve removed 14 rows and 196 columns
Presolve time: 0.02s
Presolved: 3858 rows, 3312 columns, 13972 nonzeros
Variable types: 0 continuous, 3312 integer (3312 binary)
Root relaxation: objective 0.000000e+00, 410 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 (410 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 -- 14
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:50 2012
Optimize a model with 2052 rows, 1884 columns and 7084 nonzeros
Presolve removed 14 rows and 98 columns
Presolve time: 0.01s
Presolved: 2038 rows, 1786 columns, 6986 nonzeros
Variable types: 0 continuous, 1786 integer (1786 binary)
Root relaxation: objective 0.000000e+00, 407 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 (595 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 -- 7
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:50 2012
Optimize a model with 1012 rows, 956 columns and 3036 nonzeros
Presolve removed 14 rows and 42 columns
Presolve time: 0.00s
Presolved: 998 rows, 914 columns, 2994 nonzeros
Variable types: 0 continuous, 914 integer (914 binary)
Root relaxation: objective 0.000000e+00, 378 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 (378 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 16:40:50 2012
Optimize a model with 492 rows, 492 columns and 1012 nonzeros
Presolve removed 492 rows and 492 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 16:40:50 2012
Optimize a model with 752 rows, 724 columns and 2024 nonzeros
Presolve removed 238 rows and 255 columns
Presolve time: 0.00s
Presolved: 514 rows, 469 columns, 1542 nonzeros
Variable types: 0 continuous, 469 integer (469 binary)
Root relaxation: objective 0.000000e+00, 245 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 0 208 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (693 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