
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 02:47:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo580.29.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/grafo580.29.lp
Reading time = 0.13 seconds
: 76557 rows, 1361 columns, 230797 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 76557 rows, 1361 columns and 230797 nonzeros
Model fingerprint: 0x75caa352
Variable types: 34 continuous, 1327 integer (1327 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 35513 rows and 7 columns
Presolve time: 0.46s
Presolved: 41044 rows, 1354 columns, 124794 nonzeros
Variable types: 0 continuous, 1354 integer (1320 binary)
Root relaxation presolved: 1352 rows, 42396 columns, 126148 nonzeros


Root relaxation: objective 3.600000e+01, 1622 iterations, 0.35 seconds (0.37 work units)

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

     0     0   36.00000    0  532          -   36.00000      -     -   10s
H    0     0                       5.0000000   36.00000   620%     -   11s
     0     0   36.00000    0  638    5.00000   36.00000   620%     -   16s
H    0     0                       7.0000000   36.00000   414%     -   16s
     0     0   36.00000    0  601    7.00000   36.00000   414%     -   17s
     0     0   36.00000    0  384    7.00000   36.00000   414%     -   34s
     0     0   36.00000    0  368    7.00000   36.00000   414%     -   34s
     0     0   36.00000    0  425    7.00000   36.00000   414%     -   46s
     0     0   36.00000    0  431    7.00000   36.00000   414%     -   47s
     0     0          -    0         7.00000   36.00000   414%     -   50s

Cutting planes:
  Cover: 33
  Clique: 13
  MIR: 109
  StrongCG: 2
  GUB cover: 1
  Inf proof: 1
  Zero half: 95
  RLT: 66
  BQP: 3

Explored 1 nodes (55434 simplex iterations) in 50.07 seconds (54.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 5 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.600000000000e+01, gap 414.2857%

Wrote result file './lp_solutions/grafo580.29.sol'

