
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 08:11:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7716.39.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/grafo7716.39.lp
Reading time = 0.21 seconds
: 130254 rows, 1951 columns, 392304 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 130254 rows, 1951 columns and 392304 nonzeros
Model fingerprint: 0xaa9499e6
Variable types: 41 continuous, 1910 integer (1910 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 69109 rows and 65 columns
Presolve time: 0.79s
Presolved: 61145 rows, 1886 columns, 185369 nonzeros
Variable types: 0 continuous, 1886 integer (1845 binary)
Root relaxation presolved: 1883 rows, 63028 columns, 187255 nonzeros


Root relaxation: objective 3.900000e+01, 2310 iterations, 0.63 seconds (0.65 work units)
Total elapsed time = 5.80s (DegenMoves)

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

     0     0   39.00000    0  486          -   39.00000      -     -    6s
H    0     0                       7.0000000   39.00000   457%     -    6s
     0     0   39.00000    0  661    7.00000   39.00000   457%     -   15s
H    0     0                       8.0000000   39.00000   387%     -   16s
H    0     0                      10.0000000   39.00000   290%     -   16s
     0     0   39.00000    0  657   10.00000   39.00000   290%     -   16s
H    0     0                      11.0000000   39.00000   255%     -   46s
     0     0   39.00000    0  646   11.00000   39.00000   255%     -   46s
     0     0   39.00000    0  634   11.00000   39.00000   255%     -   47s
     0     0          -    0        11.00000   39.00000   255%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 31
  Clique: 22
  MIR: 75
  GUB cover: 1
  Zero half: 60
  RLT: 69

Explored 1 nodes (37060 simplex iterations) in 50.06 seconds (45.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 8 7 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.900000000000e+01, gap 254.5455%

Wrote result file './lp_solutions/grafo7716.39.sol'

