
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:44:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10512.36.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/grafo10512.36.lp
Reading time = 0.09 seconds
: 57868 rows, 1526 columns, 174689 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 57868 rows, 1526 columns and 174689 nonzeros
Model fingerprint: 0x80e25763
Variable types: 35 continuous, 1491 integer (1491 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 16731 rows and 31 columns
Presolve time: 0.43s
Presolved: 41137 rows, 1495 columns, 124896 nonzeros
Variable types: 0 continuous, 1495 integer (1460 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 27452 rows, 15180 columns, 97526 nonzeros


Root relaxation: objective 2.700000e+01, 1279 iterations, 0.42 seconds (0.45 work units)

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

     0     0   27.00000    0  354    9.00000   27.00000   200%     -    2s
H    0     0                      10.0000000   27.00000   170%     -    2s
     0     0   27.00000    0  443   10.00000   27.00000   170%     -    5s
     0     0   27.00000    0  434   10.00000   27.00000   170%     -    6s
     0     0   27.00000    0  328   10.00000   27.00000   170%     -   13s
     0     0   27.00000    0  318   10.00000   27.00000   170%     -   13s
H    0     0                      11.0000000   27.00000   145%     -   19s
     0     0   27.00000    0  383   11.00000   27.00000   145%     -   19s
     0     0   27.00000    0  366   11.00000   27.00000   145%     -   20s
     0     0   27.00000    0  403   11.00000   27.00000   145%     -   25s
     0     0   27.00000    0  402   11.00000   27.00000   145%     -   25s
     0     0   27.00000    0  386   11.00000   27.00000   145%     -   28s
     0     0   27.00000    0  387   11.00000   27.00000   145%     -   29s
     0     0   27.00000    0  335   11.00000   27.00000   145%     -   32s
     0     0   27.00000    0  288   11.00000   27.00000   145%     -   33s
     0     2   27.00000    0  288   11.00000   27.00000   145%     -   37s
    15    20   27.00000    5  314   11.00000   27.00000   145%   912   40s
    27    32   27.00000    7  550   11.00000   27.00000   145%   901   46s
    54   109   27.00000   13  236   11.00000   27.00000   145%   684   50s

Cutting planes:
  Cover: 13
  Clique: 16
  MIR: 75
  StrongCG: 2
  Zero half: 1
  RLT: 41
  BQP: 1

Explored 108 nodes (89131 simplex iterations) in 50.04 seconds (61.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 9 

Time limit reached
Best objective 1.100000000000e+01, best bound 2.700000000000e+01, gap 145.4545%

Wrote result file './lp_solutions/grafo10512.36.sol'

