
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:30:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6926.42.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/grafo6926.42.lp
Reading time = 0.09 seconds
: 56561 rows, 2035 columns, 171264 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 56561 rows, 2035 columns and 171264 nonzeros
Model fingerprint: 0x75ce7e21
Variable types: 44 continuous, 1991 integer (1991 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 4805 rows and 36 columns
Presolve time: 0.39s
Presolved: 51756 rows, 1999 columns, 157184 nonzeros
Variable types: 0 continuous, 1999 integer (1955 binary)
Root relaxation presolved: 27032 rows, 26723 columns, 107736 nonzeros


Root relaxation: objective 3.300000e+01, 5032 iterations, 2.81 seconds (2.51 work units)
Total elapsed time = 8.00s (DegenMoves)

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

     0     0   33.00000    0  629          -   33.00000      -     -    9s
H    0     0                       7.0000000   33.00000   371%     -   12s
     0     0   33.00000    0  897    7.00000   33.00000   371%     -   21s
H    0     0                       9.0000000   33.00000   267%     -   21s
     0     0   33.00000    0  880    9.00000   33.00000   267%     -   22s
H    0     0                      10.0000000   33.00000   230%     -   34s
     0     0   33.00000    0  384   10.00000   33.00000   230%     -   34s
     0     0   33.00000    0  332   10.00000   33.00000   230%     -   35s
H    0     0                      12.0000000   33.00000   175%     -   48s
H    0     0                      14.0000000   33.00000   136%     -   48s
     0     0   33.00000    0  339   14.00000   33.00000   136%     -   48s
     0     0   33.00000    0  424   14.00000   33.00000   136%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 15
  Clique: 4
  MIR: 123
  StrongCG: 1
  GUB cover: 3
  Zero half: 51
  RLT: 17
  BQP: 2

Explored 1 nodes (55861 simplex iterations) in 50.06 seconds (45.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 12 10 ... 7

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo6926.42.sol'

