
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:26:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7009.37.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/grafo7009.37.lp
Reading time = 0.14 seconds
: 83679 rows, 1913 columns, 252603 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 83679 rows, 1913 columns and 252603 nonzeros
Model fingerprint: 0x90aebcae
Variable types: 43 continuous, 1870 integer (1870 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 24835 rows and 16 columns
Presolve time: 0.57s
Presolved: 58844 rows, 1897 columns, 178423 nonzeros
Variable types: 0 continuous, 1897 integer (1854 binary)
Root relaxation presolved: 1897 rows, 60741 columns, 180320 nonzeros


Root relaxation: objective 5.000000e+01, 2289 iterations, 0.51 seconds (0.51 work units)
Total elapsed time = 5.37s (DegenMoves)

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

     0     0   50.00000    0  522          -   50.00000      -     -    7s
H    0     0                      10.0000000   50.00000   400%     -    7s
H    0     0                      11.0000000   50.00000   355%     -    7s
     0     0   50.00000    0  695   11.00000   50.00000   355%     -   16s
H    0     0                      13.0000000   50.00000   285%     -   17s
     0     0   50.00000    0  683   13.00000   50.00000   285%     -   17s
H    0     0                      14.0000000   50.00000   257%     -   46s
H    0     0                      16.0000000   50.00000   212%     -   46s
     0     0   50.00000    0  497   16.00000   50.00000   212%     -   46s
     0     0   50.00000    0  554   16.00000   50.00000   212%     -   47s
     0     0          -    0        16.00000   50.00000   212%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 37
  Clique: 13
  MIR: 180
  StrongCG: 3
  GUB cover: 4
  Zero half: 45
  RLT: 91
  BQP: 1

Explored 1 nodes (41555 simplex iterations) in 50.07 seconds (46.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 14 13 ... 10

Time limit reached
Best objective 1.600000000000e+01, best bound 5.000000000000e+01, gap 212.5000%

Wrote result file './lp_solutions/grafo7009.37.sol'

