
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:43:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3059.35.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/grafo3059.35.lp
Reading time = 0.09 seconds
: 55150 rows, 1651 columns, 166816 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 55150 rows, 1651 columns and 166816 nonzeros
Model fingerprint: 0xa7ea87ee
Variable types: 41 continuous, 1610 integer (1610 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]
Found heuristic solution: objective 3.0000000
Presolve removed 11700 rows and 34 columns
Presolve time: 0.37s
Presolved: 43450 rows, 1617 columns, 132034 nonzeros
Variable types: 0 continuous, 1617 integer (1576 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 26245 rows, 18822 columns, 97624 nonzeros


Root relaxation: objective 2.800000e+01, 1129 iterations, 0.37 seconds (0.36 work units)

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

     0     0   28.00000    0  296    7.00000   28.00000   300%     -    2s
H    0     0                       8.0000000   28.00000   250%     -    3s
     0     0   28.00000    0  503    8.00000   28.00000   250%     -    5s
H    0     0                       9.0000000   28.00000   211%     -    5s
     0     0   28.00000    0  478    9.00000   28.00000   211%     -    5s
     0     0   28.00000    0  295    9.00000   28.00000   211%     -   12s
H    0     0                      10.0000000   28.00000   180%     -   12s
     0     0   28.00000    0  243   10.00000   28.00000   180%     -   12s
     0     0   28.00000    0  263   10.00000   28.00000   180%     -   22s
     0     0   28.00000    0  235   10.00000   28.00000   180%     -   22s
H    0     0                      11.0000000   28.00000   155%     -   31s
     0     0   28.00000    0  399   11.00000   28.00000   155%     -   31s
     0     0   28.00000    0  341   11.00000   28.00000   155%     -   31s
H    0     0                      12.0000000   28.00000   133%     -   39s
H    0     0                      13.0000000   28.00000   115%     -   39s
     0     0   28.00000    0  344   13.00000   28.00000   115%     -   39s
     0     0   28.00000    0  307   13.00000   28.00000   115%     -   40s
     0     0   28.00000    0  365   13.00000   28.00000   115%     -   50s

Cutting planes:
  Cover: 31
  Clique: 13
  MIR: 95
  StrongCG: 2
  Zero half: 7
  RLT: 37

Explored 1 nodes (66100 simplex iterations) in 50.05 seconds (46.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 3

Time limit reached
Best objective 1.300000000000e+01, best bound 2.800000000000e+01, gap 115.3846%

Wrote result file './lp_solutions/grafo3059.35.sol'

