
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:06:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11247.36.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/grafo11247.36.lp
Reading time = 0.12 seconds
: 70538 rows, 1756 columns, 213009 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 70538 rows, 1756 columns and 213009 nonzeros
Model fingerprint: 0x42f8dbea
Variable types: 41 continuous, 1715 integer (1715 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 19908 rows and 27 columns
Presolve time: 0.53s
Presolved: 50630 rows, 1729 columns, 153610 nonzeros
Variable types: 0 continuous, 1729 integer (1688 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1729 rows, 52359 columns, 155339 nonzeros


Root relaxation: objective 4.100000e+01, 2156 iterations, 0.46 seconds (0.51 work units)
Total elapsed time = 6.97s (DegenMoves)

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

     0     0   41.00000    0  622    4.00000   41.00000   925%     -   16s
H    0     0                       5.0000000   41.00000   720%     -   16s
H    0     0                       6.0000000   41.00000   583%     -   20s
     0     0   41.00000    0  702    6.00000   41.00000   583%     -   28s
H    0     0                       8.0000000   41.00000   412%     -   29s
     0     0   41.00000    0  649    8.00000   41.00000   412%     -   30s
     0     0   41.00000    0  414    8.00000   41.00000   412%     -   47s
     0     0   41.00000    0  401    8.00000   41.00000   412%     -   47s
     0     0          -    0         8.00000   41.00000   412%     -   50s

Cutting planes:
  Cover: 38
  Clique: 20
  MIR: 148
  StrongCG: 5
  GUB cover: 10
  Zero half: 92
  RLT: 61
  BQP: 1

Explored 1 nodes (36939 simplex iterations) in 50.07 seconds (38.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 6 5 4 

Time limit reached
Best objective 8.000000000000e+00, best bound 4.100000000000e+01, gap 412.5000%

Wrote result file './lp_solutions/grafo11247.36.sol'

