current bounds on the number of colors: 0 -- 236
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:14 2012
Optimize a model with 33040 rows, 28126 columns and 126260 nonzeros
Presolve removed 28 rows and 3304 columns
Presolve time: 0.15s
Presolved: 33012 rows, 24822 columns, 122956 nonzeros
Variable types: 0 continuous, 24822 integer (24822 binary)
Root relaxation: objective 0.000000e+00, 387 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 (387 simplex iterations) in 0.18 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 -- 118
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:15 2012
Optimize a model with 16638 rows, 14202 columns and 63130 nonzeros
Presolve removed 28 rows and 1652 columns
Presolve time: 0.12s
Presolved: 16610 rows, 12550 columns, 61478 nonzeros
Variable types: 0 continuous, 12550 integer (12550 binary)
Root relaxation: objective 0.000000e+00, 387 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 (387 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 -- 59
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:15 2012
Optimize a model with 8298 rows, 7122 columns and 31030 nonzeros
Presolve removed 28 rows and 812 columns
Presolve time: 0.05s
Presolved: 8270 rows, 6310 columns, 30218 nonzeros
Variable types: 0 continuous, 6310 integer (6310 binary)
Root relaxation: objective 0.000000e+00, 397 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 0.07 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 -- 29
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:15 2012
Optimize a model with 4128 rows, 3582 columns and 14980 nonzeros
Presolve removed 28 rows and 392 columns
Presolve time: 0.02s
Presolved: 4100 rows, 3190 columns, 14588 nonzeros
Variable types: 0 continuous, 3190 integer (3190 binary)
Root relaxation: objective 0.000000e+00, 409 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 (409 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 16:42:15 2012
Optimize a model with 2182 rows, 1930 columns and 7490 nonzeros
Presolve removed 28 rows and 196 columns
Presolve time: 0.01s
Presolved: 2154 rows, 1734 columns, 7294 nonzeros
Variable types: 0 continuous, 1734 integer (1734 binary)
Root relaxation: objective 0.000000e+00, 397 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 (397 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 16:42:15 2012
Optimize a model with 1070 rows, 986 columns and 3210 nonzeros
Presolve removed 28 rows and 84 columns
Presolve time: 0.00s
Presolved: 1042 rows, 902 columns, 3126 nonzeros
Variable types: 0 continuous, 902 integer (902 binary)
Root relaxation: objective 0.000000e+00, 411 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 (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%
current bounds on the number of colors: 0 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:15 2012
Optimize a model with 514 rows, 514 columns and 1070 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 16:42:15 2012
Optimize a model with 792 rows, 750 columns and 2140 nonzeros
Presolve removed 244 rows and 276 columns
Presolve time: 0.00s
Presolved: 548 rows, 474 columns, 1644 nonzeros
Variable types: 0 continuous, 474 integer (474 binary)
Root relaxation: objective 0.000000e+00, 233 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 0 200 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (800 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