
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:22:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10733.39.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/grafo10733.39.lp
Reading time = 0.17 seconds
: 107323 rows, 2486 columns, 324382 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 107323 rows, 2486 columns and 324382 nonzeros
Model fingerprint: 0x1108fe34
Variable types: 51 continuous, 2435 integer (2435 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 27211 rows and 30 columns
Presolve time: 0.78s
Presolved: 80112 rows, 2456 columns, 243353 nonzeros
Variable types: 0 continuous, 2456 integer (2405 binary)
Root relaxation presolved: 2456 rows, 82568 columns, 245809 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19209    4.9648472e+01   0.000000e+00   9.225545e+04      5s
   40243    4.9598616e+01   0.000000e+00   9.028361e+04     10s
   61302    4.9590326e+01   0.000000e+00   4.575490e+02     15s
   68285    5.0000000e+01   0.000000e+00   0.000000e+00     17s
   68285    5.0000000e+01   0.000000e+00   0.000000e+00     17s

Root relaxation: objective 5.000000e+01, 68285 iterations, 15.66 seconds (13.07 work units)
Total elapsed time = 27.26s (DegenMoves)
Total elapsed time = 38.93s (DegenMoves)
Total elapsed time = 41.51s (DegenMoves)

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

     0     0   50.00000    0  408          -   50.00000      -     -   44s
H    0     0                       8.0000000   50.00000   525%     -   45s
     0     0          -    0         8.00000   50.00000   525%     -   50s

Cutting planes:
  Gomory: 22
  Cover: 39
  Clique: 22
  MIR: 184
  GUB cover: 8
  Zero half: 40
  RLT: 71
  BQP: 3

Explored 1 nodes (100517 simplex iterations) in 50.02 seconds (54.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 8 

Time limit reached
Best objective 8.000000000000e+00, best bound 5.000000000000e+01, gap 525.0000%

Wrote result file './lp_solutions/grafo10733.39.sol'

