
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:28:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7484.43.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/grafo7484.43.lp
Reading time = 0.10 seconds
: 64084 rows, 1946 columns, 193578 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 64084 rows, 1946 columns and 193578 nonzeros
Model fingerprint: 0x0b1abd63
Variable types: 40 continuous, 1906 integer (1906 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 11081 rows and 32 columns
Presolve time: 0.45s
Presolved: 53003 rows, 1914 columns, 160684 nonzeros
Variable types: 0 continuous, 1914 integer (1874 binary)
Root relaxation presolved: 1914 rows, 54917 columns, 162598 nonzeros


Root relaxation: objective 3.100000e+01, 2300 iterations, 0.52 seconds (0.51 work units)
Total elapsed time = 6.05s (DegenMoves)

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

     0     0   31.00000    0  384          -   31.00000      -     -    9s
H    0     0                       7.0000000   31.00000   343%     -   10s
H    0     0                       8.0000000   31.00000   288%     -   10s
H    0     0                       9.0000000   31.00000   244%     -   11s
H    0     0                      10.0000000   31.00000   210%     -   15s
     0     0   31.00000    0  647   10.00000   31.00000   210%     -   15s
     0     0   31.00000    0  596   10.00000   31.00000   210%     -   17s
     0     0   31.00000    0  513   10.00000   31.00000   210%     -   35s
     0     0   31.00000    0  442   10.00000   31.00000   210%     -   36s
     0     0   31.00000    0  499   10.00000   31.00000   210%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 21
  Clique: 10
  MIR: 88
  GUB cover: 4
  Zero half: 34
  RLT: 38
  BQP: 1

Explored 1 nodes (56377 simplex iterations) in 50.06 seconds (49.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 7 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.100000000000e+01, gap 210.0000%

Wrote result file './lp_solutions/grafo7484.43.sol'

