
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:51:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo512.16.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo512.16.lp
Reading time = 0.01 seconds
: 1974 rows, 234 columns, 5940 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 1974 rows, 234 columns and 5940 nonzeros
Model fingerprint: 0xb4ae2e9f
Variable types: 12 continuous, 222 integer (222 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 324 rows and 18 columns
Presolve time: 0.05s
Presolved: 1650 rows, 216 columns, 5094 nonzeros
Variable types: 0 continuous, 216 integer (204 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 6.000000e+00, 121 iterations, 0.01 seconds (0.00 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    6.00000    0   58    1.00000    6.00000   500%     -    0s
H    0     0                       3.0000000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0   71    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   28    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   59    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    6    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    8    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   48    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   49    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   32    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   32    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   31    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   31    4.00000    6.00000  50.0%     -    0s
     0     2    6.00000    0   31    4.00000    6.00000  50.0%     -    0s
   824   299    5.00000   22   34    4.00000    6.00000  50.0%  69.8    5s
  2282   448 infeasible   17         4.00000    6.00000  50.0%  63.9   11s
  3010   511     cutoff   20         4.00000    6.00000  50.0%  64.8   15s
  4163   549    6.00000    7   86    4.00000    6.00000  50.0%  65.9   20s
H 4165   201                       5.0000000    6.00000  20.0%  65.9   20s
  4236    21    6.00000    6   62    5.00000    6.00000  20.0%  65.5   25s
  4418    24 infeasible   22         5.00000    6.00000  20.0%   5.2   30s

Cutting planes:
  Gomory: 3
  Lift-and-project: 1
  Cover: 2
  MIR: 1
  Flow cover: 2
  RLT: 3

Explored 4530 nodes (315480 simplex iterations) in 34.15 seconds (8.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo512.16.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:06:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo512.16.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo512.16.lp
Reading time = 0.00 seconds
: 1974 rows, 234 columns, 5940 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 1974 rows, 234 columns and 5940 nonzeros
Model fingerprint: 0xb4ae2e9f
Variable types: 12 continuous, 222 integer (222 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 324 rows and 18 columns
Presolve time: 0.02s
Presolved: 1650 rows, 216 columns, 5094 nonzeros
Variable types: 0 continuous, 216 integer (204 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 6.000000e+00, 121 iterations, 0.01 seconds (0.00 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    6.00000    0   58    1.00000    6.00000   500%     -    0s
H    0     0                       3.0000000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0   71    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   28    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   59    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    6    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    8    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   48    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   49    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   32    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   32    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   31    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   31    4.00000    6.00000  50.0%     -    0s
     0     2    6.00000    0   31    4.00000    6.00000  50.0%     -    0s
  1690   418    5.84167   14   91    4.00000    6.00000  50.0%  64.6    5s
  3948   558    5.00000   11   43    4.00000    6.00000  50.0%  66.0   10s
H 4165   201                       5.0000000    6.00000  20.0%  65.9   10s
  4384    22 infeasible   23         5.00000    6.00000  20.0%   4.4   15s

Cutting planes:
  Gomory: 3
  Lift-and-project: 1
  Cover: 2
  MIR: 1
  Flow cover: 2
  RLT: 3

Explored 4530 nodes (315480 simplex iterations) in 16.80 seconds (8.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo512.16.sol'

