
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:19:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10035.38.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/grafo10035.38.lp
Reading time = 0.10 seconds
: 59010 rows, 1980 columns, 178746 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 59010 rows, 1980 columns and 178746 nonzeros
Model fingerprint: 0xa004e62a
Variable types: 43 continuous, 1937 integer (1937 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 14611 rows and 96 columns
Presolve time: 0.37s
Presolved: 44399 rows, 1884 columns, 135248 nonzeros
Variable types: 0 continuous, 1884 integer (1841 binary)
Root relaxation presolved: 23622 rows, 22661 columns, 93694 nonzeros


Root relaxation: objective 3.500000e+01, 991 iterations, 0.28 seconds (0.22 work units)

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

     0     0   35.00000    0  290          -   35.00000      -     -    1s
H    0     0                      12.0000000   35.00000   192%     -    2s
     0     0   35.00000    0  578   12.00000   35.00000   192%     -    4s
H    0     0                      15.0000000   35.00000   133%     -    4s
H    0     0                      18.0000000   35.00000  94.4%     -    4s
     0     0   35.00000    0  532   18.00000   35.00000  94.4%     -    4s
     0     0   35.00000    0  307   18.00000   35.00000  94.4%     -   18s
     0     0   35.00000    0  278   18.00000   35.00000  94.4%     -   18s
     0     0   35.00000    0  239   18.00000   35.00000  94.4%     -   29s
     0     0   35.00000    0  269   18.00000   35.00000  94.4%     -   29s
     0     0   35.00000    0  243   18.00000   35.00000  94.4%     -   34s
     0     0   35.00000    0  245   18.00000   35.00000  94.4%     -   34s
     0     0   35.00000    0  277   18.00000   35.00000  94.4%     -   39s
     0     0   35.00000    0  307   18.00000   35.00000  94.4%     -   40s
     0     0   35.00000    0  268   18.00000   35.00000  94.4%     -   43s
     0     0   35.00000    0  257   18.00000   35.00000  94.4%     -   43s
     0     0   35.00000    0  333   18.00000   35.00000  94.4%     -   49s
     0     0   35.00000    0  333   18.00000   35.00000  94.4%     -   50s

Cutting planes:
  Cover: 3
  Clique: 4
  MIR: 12
  Inf proof: 1
  RLT: 15
  BQP: 1

Explored 1 nodes (80718 simplex iterations) in 50.02 seconds (44.72 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 18 15 12 

Time limit reached
Best objective 1.800000000000e+01, best bound 3.500000000000e+01, gap 94.4444%

Wrote result file './lp_solutions/grafo10035.38.sol'

