
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:37:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6011.35.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/grafo6011.35.lp
Reading time = 0.10 seconds
: 63907 rows, 1633 columns, 192998 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 63907 rows, 1633 columns and 192998 nonzeros
Model fingerprint: 0xf5bd1039
Variable types: 40 continuous, 1593 integer (1593 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 -0.0000000
Presolve removed 17966 rows and 30 columns
Presolve time: 0.47s
Presolved: 45941 rows, 1603 columns, 139405 nonzeros
Variable types: 0 continuous, 1603 integer (1563 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1600 rows, 47541 columns, 141008 nonzeros


Root relaxation: objective 3.700000e+01, 1687 iterations, 0.36 seconds (0.38 work units)

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

     0     0   37.00000    0  562    5.00000   37.00000   640%     -    4s
H    0     0                       8.0000000   37.00000   362%     -    4s
H    0     0                      11.0000000   37.00000   236%     -    6s
     0     0   37.00000    0  780   11.00000   37.00000   236%     -   15s
     0     0   37.00000    0  769   11.00000   37.00000   236%     -   15s
     0     0   37.00000    0  489   11.00000   37.00000   236%     -   41s
     0     0   37.00000    0  440   11.00000   37.00000   236%     -   42s
     0     0   37.00000    0  575   11.00000   37.00000   236%     -   50s

Cutting planes:
  Cover: 25
  Clique: 10
  MIR: 92
  StrongCG: 1
  GUB cover: 4
  Zero half: 53
  RLT: 55
  BQP: 2

Explored 1 nodes (49928 simplex iterations) in 50.05 seconds (47.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 8 5 -0 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.700000000000e+01, gap 236.3636%

Wrote result file './lp_solutions/grafo6011.35.sol'

