
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:49:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2534.22.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/grafo2534.22.lp
Reading time = 0.01 seconds
: 6684 rows, 522 columns, 20313 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 6684 rows, 522 columns and 20313 nonzeros
Model fingerprint: 0x26e95caf
Variable types: 21 continuous, 501 integer (501 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]
Presolve removed 612 rows and 18 columns
Presolve time: 0.06s
Presolved: 6072 rows, 504 columns, 18618 nonzeros
Variable types: 0 continuous, 504 integer (483 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.100000e+01, 121 iterations, 0.02 seconds (0.01 work units)

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

     0     0   11.00000    0   55    3.00000   11.00000   267%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
H    0     0                       7.0000000   11.00000  57.1%     -    0s
     0     0   11.00000    0  104    7.00000   11.00000  57.1%     -    0s
H    0     0                       8.0000000   11.00000  37.5%     -    0s
     0     0   10.50000    0   42    8.00000   10.50000  31.2%     -    0s
     0     0   10.00000    0   52    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   48    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   50    8.00000   10.00000  25.0%     -    0s
     0     0    9.66667    0   54    8.00000    9.66667  20.8%     -    0s
     0     0    9.66667    0   54    8.00000    9.66667  20.8%     -    0s
     0     0    9.66667    0   57    8.00000    9.66667  20.8%     -    1s
     0     0    9.66667    0   57    8.00000    9.66667  20.8%     -    1s
     0     0    9.66667    0   45    8.00000    9.66667  20.8%     -    1s
     0     0    9.50000    0   40    8.00000    9.50000  18.8%     -    1s
     0     0    9.50000    0   42    8.00000    9.50000  18.8%     -    1s
     0     0    9.50000    0   39    8.00000    9.50000  18.8%     -    1s
     0     2    9.50000    0   36    8.00000    9.50000  18.8%     -    1s
*  291    84               8       9.0000000    9.50000  5.56%  24.2    2s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 3
  MIR: 26
  Inf proof: 12
  Zero half: 3
  RLT: 10

Explored 297 nodes (10692 simplex iterations) in 2.48 seconds (1.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 7 ... 3

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2534.22.sol'

