
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:43:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10483.34.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/grafo10483.34.lp
Reading time = 0.12 seconds
: 70534 rows, 1552 columns, 212804 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 70534 rows, 1552 columns and 212804 nonzeros
Model fingerprint: 0xb2f465ad
Variable types: 36 continuous, 1516 integer (1516 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 27646 rows and 19 columns
Presolve time: 0.48s
Presolved: 42888 rows, 1533 columns, 130406 nonzeros
Variable types: 0 continuous, 1533 integer (1497 binary)
Root relaxation presolved: 1530 rows, 44418 columns, 131939 nonzeros


Root relaxation: objective 3.400000e+01, 1640 iterations, 0.35 seconds (0.33 work units)

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

     0     0   34.00000    0  314          -   34.00000      -     -    4s
H    0     0                       6.0000000   34.00000   467%     -    5s
     0     0   34.00000    0  498    6.00000   34.00000   467%     -    7s
H    0     0                       7.0000000   34.00000   386%     -    8s
     0     0   34.00000    0  466    7.00000   34.00000   386%     -    8s
     0     0   34.00000    0  372    7.00000   34.00000   386%     -   18s
H    0     0                       8.0000000   34.00000   325%     -   18s
     0     0   34.00000    0  402    8.00000   34.00000   325%     -   18s
     0     0   34.00000    0  405    8.00000   34.00000   325%     -   36s
H    0     0                      10.0000000   34.00000   240%     -   36s
     0     0   34.00000    0  420   10.00000   34.00000   240%     -   37s
     0     0   34.00000    0  410   10.00000   34.00000   240%     -   45s
     0     0   34.00000    0  425   10.00000   34.00000   240%     -   45s
     0     0   34.00000    0  438   10.00000   34.00000   240%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 24
  Clique: 17
  MIR: 96
  StrongCG: 2
  GUB cover: 1
  Zero half: 31
  RLT: 62

Explored 1 nodes (59354 simplex iterations) in 50.05 seconds (47.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 8 7 6 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.400000000000e+01, gap 240.0000%

Wrote result file './lp_solutions/grafo10483.34.sol'

