
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:48:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo338.15.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/grafo338.15.lp
Reading time = 0.01 seconds
: 1862 rows, 232 columns, 5626 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 1862 rows, 232 columns and 5626 nonzeros
Model fingerprint: 0x08561dcf
Variable types: 13 continuous, 219 integer (219 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 1.0000000
Presolve removed 283 rows and 15 columns
Presolve time: 0.03s
Presolved: 1579 rows, 217 columns, 4891 nonzeros
Variable types: 0 continuous, 217 integer (204 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 6.000000e+00, 100 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   19    2.00000    6.00000   200%     -    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   65    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   65    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   25    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   40    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   40    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
H    0     0                       5.0000000    6.00000  20.0%     -    0s
     0     0    6.00000    0    7    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   24    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   24    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   21    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   21    5.00000    6.00000  20.0%     -    0s
     0     2    6.00000    0   21    5.00000    6.00000  20.0%     -    0s
   300    58    6.00000   20   31    5.00000    6.00000  20.0%  51.4    5s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 1
  Flow cover: 5
  GUB cover: 2
  Zero half: 1
  RLT: 8

Explored 522 nodes (29716 simplex iterations) in 6.37 seconds (1.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... 1

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/grafo338.15.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:04:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo338.15.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/grafo338.15.lp
Reading time = 0.01 seconds
: 1862 rows, 232 columns, 5626 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 1862 rows, 232 columns and 5626 nonzeros
Model fingerprint: 0x08561dcf
Variable types: 13 continuous, 219 integer (219 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 1.0000000
Presolve removed 283 rows and 15 columns
Presolve time: 0.02s
Presolved: 1579 rows, 217 columns, 4891 nonzeros
Variable types: 0 continuous, 217 integer (204 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 6.000000e+00, 100 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   19    2.00000    6.00000   200%     -    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   65    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   65    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   25    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   40    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   40    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
H    0     0                       5.0000000    6.00000  20.0%     -    0s
     0     0    6.00000    0    7    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   24    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   24    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   21    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   21    5.00000    6.00000  20.0%     -    0s
     0     2    6.00000    0   21    5.00000    6.00000  20.0%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 1
  Flow cover: 5
  GUB cover: 2
  Zero half: 1
  RLT: 8

Explored 522 nodes (29716 simplex iterations) in 4.81 seconds (1.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... 1

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/grafo338.15.sol'

