
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:03:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3128.37.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/grafo3128.37.lp
Reading time = 0.15 seconds
: 90386 rows, 1891 columns, 272720 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 90386 rows, 1891 columns and 272720 nonzeros
Model fingerprint: 0x65994b4b
Variable types: 42 continuous, 1849 integer (1849 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 30280 rows and 9 columns
Presolve time: 0.56s
Presolved: 60106 rows, 1882 columns, 182208 nonzeros
Variable types: 0 continuous, 1882 integer (1840 binary)
Root relaxation presolved: 1877 rows, 61983 columns, 184090 nonzeros


Root relaxation: objective 4.400000e+01, 2551 iterations, 0.68 seconds (0.69 work units)
Total elapsed time = 7.03s (DegenMoves)

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

     0     0   44.00000    0  572          -   44.00000      -     -    8s
H    0     0                       6.0000000   44.00000   633%     -   10s
     0     0   44.00000    0  664    6.00000   44.00000   633%     -   18s
H    0     0                       7.0000000   44.00000   529%     -   18s
H    0     0                      10.0000000   44.00000   340%     -   18s
     0     0   44.00000    0  633   10.00000   44.00000   340%     -   19s
     0     0   44.00000    0  486   10.00000   44.00000   340%     -   38s
H    0     0                      11.0000000   44.00000   300%     -   38s
     0     0   44.00000    0  443   11.00000   44.00000   300%     -   38s
     0     0   44.00000    0  539   11.00000   44.00000   300%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 34
  Clique: 13
  MIR: 159
  GUB cover: 1
  Zero half: 72
  RLT: 71

Explored 1 nodes (41108 simplex iterations) in 50.06 seconds (42.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 7 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.400000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo3128.37.sol'

