current bounds on the number of colors: 0 -- 80
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:32 2012
Optimize a model with 6200 rows, 3353 columns and 21560 nonzeros
Presolve removed 1 rows and 40 columns
Presolve time: 0.04s
Presolved: 6199 rows, 3313 columns, 21520 nonzeros
Variable types: 0 continuous, 3313 integer (3313 binary)
Root relaxation: objective 0.000000e+00, 179 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 (179 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%
current bounds on the number of colors: 0 -- 40
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:32 2012
Optimize a model with 3140 rows, 1753 columns and 10780 nonzeros
Presolve removed 1 rows and 20 columns
Presolve time: 0.01s
Presolved: 3139 rows, 1733 columns, 10760 nonzeros
Variable types: 0 continuous, 1733 integer (1733 binary)
Root relaxation: objective 0.000000e+00, 172 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 (172 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 -- 20
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:32 2012
Optimize a model with 1610 rows, 953 columns and 5390 nonzeros
Presolve removed 1 rows and 10 columns
Presolve time: 0.01s
Presolved: 1609 rows, 943 columns, 5380 nonzeros
Variable types: 0 continuous, 943 integer (943 binary)
Root relaxation: objective 0.000000e+00, 176 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 (281 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 18:21:32 2012
Optimize a model with 845 rows, 553 columns and 2695 nonzeros
Presolve removed 1 rows and 5 columns
Presolve time: 0.00s
Presolved: 844 rows, 548 columns, 2690 nonzeros
Variable types: 0 continuous, 548 integer (548 binary)
Root relaxation: objective 0.000000e+00, 186 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 (297 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 18:21:32 2012
Optimize a model with 386 rows, 313 columns and 1078 nonzeros
Presolve removed 80 rows and 81 columns
Presolve time: 0.00s
Presolved: 306 rows, 232 columns, 918 nonzeros
Variable types: 0 continuous, 232 integer (232 binary)
Root relaxation: objective 0.000000e+00, 81 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 79 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (305 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 18:21:32 2012
Optimize a model with 539 rows, 393 columns and 1617 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 538 rows, 390 columns, 1614 nonzeros
Variable types: 0 continuous, 390 integer (390 binary)
Root relaxation: objective 0.000000e+00, 188 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 0 115 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (503 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%
optimal solution found: number of colors: 3