current bounds on the number of colors: 0 -- 230
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:09 2012
Optimize a model with 32890 rows, 26734 columns and 124430 nonzeros
Presolve removed 12 rows and 1380 columns
Presolve time: 0.16s
Presolved: 32878 rows, 25354 columns, 123050 nonzeros
Variable types: 0 continuous, 25354 integer (25354 binary)
Root relaxation: objective 0.000000e+00, 436 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 (436 simplex iterations) in 0.19 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 -- 115
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:09 2012
Optimize a model with 16418 rows, 13394 columns and 61674 nonzeros
Presolve removed 12 rows and 684 columns
Presolve time: 0.12s
Presolved: 16406 rows, 12710 columns, 60990 nonzeros
Variable types: 0 continuous, 12710 integer (12710 binary)
Root relaxation: objective 0.000000e+00, 432 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 (432 simplex iterations) in 0.14 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 -- 57
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:10 2012
Optimize a model with 8182 rows, 6724 columns and 30296 nonzeros
Presolve removed 12 rows and 336 columns
Presolve time: 0.05s
Presolved: 8170 rows, 6388 columns, 29960 nonzeros
Variable types: 0 continuous, 6388 integer (6388 binary)
Root relaxation: objective 0.000000e+00, 425 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 (425 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 -- 28
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:10 2012
Optimize a model with 4206 rows, 3504 columns and 15148 nonzeros
Presolve removed 12 rows and 168 columns
Presolve time: 0.02s
Presolved: 4194 rows, 3336 columns, 14980 nonzeros
Variable types: 0 continuous, 3336 integer (3336 binary)
Root relaxation: objective 0.000000e+00, 441 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 (720 simplex iterations) in 0.03 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 16:40:10 2012
Optimize a model with 2218 rows, 1894 columns and 7574 nonzeros
Presolve removed 12 rows and 84 columns
Presolve time: 0.01s
Presolved: 2206 rows, 1810 columns, 7490 nonzeros
Variable types: 0 continuous, 1810 integer (1810 binary)
Root relaxation: objective 0.000000e+00, 395 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 (395 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 16:40:10 2012
Optimize a model with 1082 rows, 974 columns and 3246 nonzeros
Presolve removed 12 rows and 36 columns
Presolve time: 0.00s
Presolved: 1070 rows, 938 columns, 3210 nonzeros
Variable types: 0 continuous, 938 integer (938 binary)
Root relaxation: objective 0.000000e+00, 377 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 (377 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 16:40:10 2012
Optimize a model with 514 rows, 514 columns and 1082 nonzeros
Presolve removed 514 rows and 514 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 16:40:10 2012
Optimize a model with 798 rows, 744 columns and 2164 nonzeros
Presolve removed 230 rows and 242 columns
Presolve time: 0.00s
Presolved: 568 rows, 502 columns, 1704 nonzeros
Variable types: 0 continuous, 502 integer (502 binary)
Root relaxation: objective 0.000000e+00, 253 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 0 218 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (828 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