
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:12:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7710.37.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/grafo7710.37.lp
Reading time = 0.14 seconds
: 84130 rows, 1943 columns, 254037 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 84130 rows, 1943 columns and 254037 nonzeros
Model fingerprint: 0x45f8ba4a
Variable types: 43 continuous, 1900 integer (1900 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 24205 rows and 15 columns
Presolve time: 0.58s
Presolved: 59925 rows, 1928 columns, 181957 nonzeros
Variable types: 0 continuous, 1928 integer (1885 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1928 rows, 61853 columns, 183885 nonzeros


Root relaxation: objective 3.300000e+01, 1657 iterations, 0.33 seconds (0.31 work units)

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

     0     0   33.00000    0  404    5.00000   33.00000   560%     -    3s
H    0     0                       7.0000000   33.00000   371%     -    3s
H    0     0                       8.0000000   33.00000   312%     -    3s
H    0     0                       9.0000000   33.00000   267%     -   10s
     0     0   33.00000    0  654    9.00000   33.00000   267%     -   10s
H    0     0                      10.0000000   33.00000   230%     -   11s
     0     0   33.00000    0  654   10.00000   33.00000   230%     -   11s
H    0     0                      11.0000000   33.00000   200%     -   39s
     0     0   33.00000    0  553   11.00000   33.00000   200%     -   39s
     0     0   33.00000    0  490   11.00000   33.00000   200%     -   40s
     0     0          -    0        11.00000   33.00000   200%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 17
  MIR: 63
  Zero half: 54
  RLT: 46
  BQP: 1

Explored 1 nodes (38129 simplex iterations) in 50.08 seconds (44.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 5

Time limit reached
Best objective 1.100000000000e+01, best bound 3.300000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo7710.37.sol'

