current bounds on the number of colors: 0 -- 133 Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:35:56 2012 Optimize a model with 27589 rows, 9194 columns and 91146 nonzeros Presolve time: 0.14s Presolved: 27589 rows, 9194 columns, 91146 nonzeros Variable types: 0 continuous, 9194 integer (9194 binary) Root relaxation: objective 0.000000e+00, 405 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 (656 simplex iterations) in 0.20 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 -- 66 Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:35:57 2012 Optimize a model with 13861 rows, 4805 columns and 45573 nonzeros Presolve time: 0.07s Presolved: 13861 rows, 4805 columns, 45573 nonzeros Variable types: 0 continuous, 4805 integer (4805 binary) Root relaxation: objective 0.000000e+00, 327 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 (678 simplex iterations) in 0.10 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 -- 33 Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:35:57 2012 Optimize a model with 6789 rows, 2544 columns and 22096 nonzeros Presolve time: 0.02s Presolved: 6789 rows, 2544 columns, 22096 nonzeros Variable types: 0 continuous, 2544 integer (2544 binary) Root relaxation: objective 0.000000e+00, 280 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 (486 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 -- 16 Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:35:57 2012 Optimize a model with 3461 rows, 1480 columns and 11048 nonzeros Presolve time: 0.01s Presolved: 3461 rows, 1480 columns, 11048 nonzeros Variable types: 0 continuous, 1480 integer (1480 binary) Root relaxation: objective 0.000000e+00, 288 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 (502 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 -- 8 Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:35:57 2012 Optimize a model with 1797 rows, 948 columns and 5524 nonzeros Presolve time: 0.00s Presolved: 1797 rows, 948 columns, 5524 nonzeros Variable types: 0 continuous, 948 integer (948 binary) Root relaxation: objective 0.000000e+00, 318 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 H 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (1308 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 -- 4 Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:35:57 2012 Optimize a model with 965 rows, 682 columns and 2762 nonzeros Presolve removed 133 rows and 133 columns Presolve time: 0.00s Presolved: 832 rows, 549 columns, 2496 nonzeros Variable types: 0 continuous, 549 integer (549 binary) Root relaxation: objective 0.000000e+00, 142 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 0 133 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (546 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 Fri Dec 14 18:35:57 2012 Optimize a model with 1381 rows, 815 columns and 4143 nonzeros Presolve time: 0.00s Presolved: 1381 rows, 815 columns, 4143 nonzeros Variable types: 0 continuous, 815 integer (815 binary) Root relaxation: objective 0.000000e+00, 304 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 0 246 - 0.00000 - - 0s 0 0 0.00000 0 254 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (2595 simplex iterations) in 0.15 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