current bounds on the number of colors: 0 -- 74
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:35 2012
Optimize a model with 10027 rows, 3007 columns and 32597 nonzeros
Presolve time: 0.05s
Presolved: 10027 rows, 3007 columns, 32597 nonzeros
Variable types: 0 continuous, 3007 integer (3007 binary)
Root relaxation: objective 0.000000e+00, 193 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 (378 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 -- 37
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:35 2012
Optimize a model with 4916 rows, 1601 columns and 15858 nonzeros
Presolve time: 0.02s
Presolved: 4916 rows, 1601 columns, 15858 nonzeros
Variable types: 0 continuous, 1601 integer (1601 binary)
Root relaxation: objective 0.000000e+00, 150 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 (272 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 -- 18
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:35 2012
Optimize a model with 2495 rows, 935 columns and 7929 nonzeros
Presolve time: 0.01s
Presolved: 2495 rows, 935 columns, 7929 nonzeros
Variable types: 0 continuous, 935 integer (935 binary)
Root relaxation: objective 0.000000e+00, 159 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 (286 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 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:35 2012
Optimize a model with 1150 rows, 565 columns and 3524 nonzeros
Presolve time: 0.00s
Presolved: 1150 rows, 565 columns, 3524 nonzeros
Variable types: 0 continuous, 565 integer (565 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 0.00000 0 74 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (886 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:35 2012
Optimize a model with 612 rows, 417 columns and 1762 nonzeros
Presolve removed 74 rows and 74 columns
Presolve time: 0.00s
Presolved: 538 rows, 343 columns, 1614 nonzeros
Variable types: 0 continuous, 343 integer (343 binary)
Root relaxation: objective 0.000000e+00, 79 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 74 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (327 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 -
current bounds on the number of colors: 2 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:35 2012
Optimize a model with 881 rows, 491 columns and 2643 nonzeros
Presolve time: 0.00s
Presolved: 881 rows, 491 columns, 2643 nonzeros
Variable types: 0 continuous, 491 integer (491 binary)
Root relaxation: objective 0.000000e+00, 180 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 0 148 - 0.00000 - - 0s
0 0 0.00000 0 144 - 0.00000 - - 0s
0 0 0.00000 0 193 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 0.00000 0 190 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 1
Clique: 1
Zero half: 242
Explored 0 nodes (3330 simplex iterations) in 0.23 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: 4