
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:12:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3023.34.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/grafo3023.34.lp
Reading time = 0.08 seconds
: 49936 rows, 1481 columns, 150911 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 49936 rows, 1481 columns and 150911 nonzeros
Model fingerprint: 0x862e4aa6
Variable types: 35 continuous, 1446 integer (1446 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 14073 rows and 45 columns
Presolve time: 0.33s
Presolved: 35863 rows, 1436 columns, 108965 nonzeros
Variable types: 0 continuous, 1436 integer (1401 binary)
Root relaxation presolved: 23334 rows, 13965 columns, 83907 nonzeros


Root relaxation: objective 3.300000e+01, 1766 iterations, 0.58 seconds (0.53 work units)

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

     0     0   33.00000    0  295          -   33.00000      -     -    3s
H    0     0                       6.0000000   33.00000   450%     -    3s
     0     0   33.00000    0  543    6.00000   33.00000   450%     -    6s
     0     0   33.00000    0  506    6.00000   33.00000   450%     -    6s
     0     0   33.00000    0  259    6.00000   33.00000   450%     -   25s
H    0     0                       9.0000000   33.00000   267%     -   25s
     0     0   33.00000    0  249    9.00000   33.00000   267%     -   25s
     0     0   33.00000    0  255    9.00000   33.00000   267%     -   30s
     0     0   33.00000    0  254    9.00000   33.00000   267%     -   31s
     0     0   33.00000    0  272    9.00000   33.00000   267%     -   33s
     0     0   33.00000    0  246    9.00000   33.00000   267%     -   34s
     0     0   33.00000    0  325    9.00000   33.00000   267%     -   41s
     0     0   33.00000    0  313    9.00000   33.00000   267%     -   41s
     0     0   33.00000    0  349    9.00000   33.00000   267%     -   49s
H    0     0                      10.0000000   33.00000   230%     -   49s
     0     0   33.00000    0  357   10.00000   33.00000   230%     -   49s

Cutting planes:
  Cover: 12
  Clique: 19
  MIR: 73
  Inf proof: 1
  RLT: 28
  BQP: 2

Explored 1 nodes (72670 simplex iterations) in 50.04 seconds (47.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 6 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.300000000000e+01, gap 230.0000%

Wrote result file './lp_solutions/grafo3023.34.sol'

