current bounds on the number of colors: 0 -- 248
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:47:49 2012
Optimize a model with 39432 rows, 31068 columns and 148304 nonzeros
Presolve removed 26 rows and 3224 columns
Presolve time: 0.20s
Presolved: 39406 rows, 27844 columns, 145080 nonzeros
Variable types: 0 continuous, 27844 integer (27844 binary)
Root relaxation: objective 0.000000e+00, 440 iterations, 0.02 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 (440 simplex iterations) in 0.23 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 -- 124
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:47:50 2012
Optimize a model with 19840 rows, 15692 columns and 74152 nonzeros
Presolve removed 26 rows and 1612 columns
Presolve time: 0.13s
Presolved: 19814 rows, 14080 columns, 72540 nonzeros
Variable types: 0 continuous, 14080 integer (14080 binary)
Root relaxation: objective 0.000000e+00, 440 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 (440 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 -- 62
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:47:50 2012
Optimize a model with 10044 rows, 8004 columns and 37076 nonzeros
Presolve removed 26 rows and 806 columns
Presolve time: 0.06s
Presolved: 10018 rows, 7198 columns, 36270 nonzeros
Variable types: 0 continuous, 7198 integer (7198 binary)
Root relaxation: objective 0.000000e+00, 438 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 (438 simplex iterations) in 0.07 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 -- 31
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:47:50 2012
Optimize a model with 4988 rows, 4036 columns and 17940 nonzeros
Presolve removed 26 rows and 390 columns
Presolve time: 0.02s
Presolved: 4962 rows, 3646 columns, 17550 nonzeros
Variable types: 0 continuous, 3646 integer (3646 binary)
Root relaxation: objective 0.000000e+00, 481 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 (788 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 -- 15
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:47:50 2012
Optimize a model with 2460 rows, 2052 columns and 8372 nonzeros
Presolve removed 26 rows and 182 columns
Presolve time: 0.01s
Presolved: 2434 rows, 1870 columns, 8190 nonzeros
Variable types: 0 continuous, 1870 integer (1870 binary)
Root relaxation: objective 0.000000e+00, 440 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 (440 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 16:47:50 2012
Optimize a model with 1196 rows, 1060 columns and 3588 nonzeros
Presolve removed 26 rows and 78 columns
Presolve time: 0.00s
Presolved: 1170 rows, 982 columns, 3510 nonzeros
Variable types: 0 continuous, 982 integer (982 binary)
Root relaxation: objective 0.000000e+00, 463 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 (657 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 16:47:50 2012
Optimize a model with 564 rows, 564 columns and 1196 nonzeros
Presolve removed 564 rows and 564 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 16:47:51 2012
Optimize a model with 880 rows, 812 columns and 2392 nonzeros
Presolve removed 252 rows and 280 columns
Presolve time: 0.00s
Presolved: 628 rows, 532 columns, 1884 nonzeros
Variable types: 0 continuous, 532 integer (532 binary)
Root relaxation: objective 0.000000e+00, 239 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 0 214 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (784 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