
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:19:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo179.35.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/grafo179.35.lp
Reading time = 0.16 seconds
: 96677 rows, 1689 columns, 291412 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 96677 rows, 1689 columns and 291412 nonzeros
Model fingerprint: 0xa11ffc67
Variable types: 39 continuous, 1650 integer (1650 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 51590 rows and 57 columns
Presolve time: 0.59s
Presolved: 45087 rows, 1632 columns, 136946 nonzeros
Variable types: 0 continuous, 1632 integer (1593 binary)
Root relaxation presolved: 1629 rows, 46716 columns, 138578 nonzeros


Root relaxation: objective 3.900000e+01, 3313 iterations, 1.14 seconds (1.33 work units)
Total elapsed time = 7.93s (DegenMoves)

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

     0     0   39.00000    0  582          -   39.00000      -     -    9s
H    0     0                       7.0000000   39.00000   457%     -   11s
     0     0   39.00000    0  742    7.00000   39.00000   457%     -   16s
H    0     0                       8.0000000   39.00000   387%     -   17s
H    0     0                      10.0000000   39.00000   290%     -   17s
     0     0   39.00000    0  687   10.00000   39.00000   290%     -   17s
H    0     0                      11.0000000   39.00000   255%     -   33s
     0     0   39.00000    0  516   11.00000   39.00000   255%     -   33s
     0     0   39.00000    0  506   11.00000   39.00000   255%     -   33s
     0     0   39.00000    0  353   11.00000   39.00000   255%     -   41s
     0     0   39.00000    0  344   11.00000   39.00000   255%     -   41s
     0     0   39.00000    0  346   11.00000   39.00000   255%     -   49s
H    0     0                      12.0000000   39.00000   225%     -   49s
     0     0          -    0        12.00000   39.00000   225%     -   50s

Cutting planes:
  Cover: 3
  Clique: 8
  MIR: 44
  StrongCG: 1
  GUB cover: 1
  Zero half: 5
  RLT: 33
  BQP: 2

Explored 1 nodes (55830 simplex iterations) in 50.05 seconds (46.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 3.900000000000e+01, gap 225.0000%

Wrote result file './lp_solutions/grafo179.35.sol'

