
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:10:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5135.39.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/grafo5135.39.lp
Reading time = 0.10 seconds
: 54230 rows, 1750 columns, 164000 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 54230 rows, 1750 columns and 164000 nonzeros
Model fingerprint: 0xf89151e0
Variable types: 39 continuous, 1711 integer (1711 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 10151 rows and 17 columns
Presolve time: 0.38s
Presolved: 44079 rows, 1733 columns, 133837 nonzeros
Variable types: 0 continuous, 1733 integer (1694 binary)
Root relaxation presolved: 25801 rows, 20011 columns, 97281 nonzeros


Root relaxation: objective 3.400000e+01, 2789 iterations, 1.14 seconds (1.10 work units)
Total elapsed time = 10.11s (DegenMoves)

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

     0     0   34.00000    0  218          -   34.00000      -     -   11s
H    0     0                       6.0000000   34.00000   467%     -   11s
     0     0   34.00000    0  572    6.00000   34.00000   467%     -   14s
H    0     0                      10.0000000   34.00000   240%     -   14s
     0     0   34.00000    0  558   10.00000   34.00000   240%     -   14s
H    0     0                      11.0000000   34.00000   209%     -   17s
H    0     0                      13.0000000   34.00000   162%     -   27s
     0     0   34.00000    0  287   13.00000   34.00000   162%     -   27s
     0     0   34.00000    0  256   13.00000   34.00000   162%     -   28s
H    0     0                      14.0000000   34.00000   143%     -   35s
     0     0   34.00000    0  339   14.00000   34.00000   143%     -   35s
     0     0   34.00000    0  385   14.00000   34.00000   143%     -   36s
H    0     0                      15.0000000   34.00000   127%     -   43s
     0     0   34.00000    0  478   15.00000   34.00000   127%     -   43s
     0     0   34.00000    0  455   15.00000   34.00000   127%     -   44s
     0     0   34.00000    0  395   15.00000   34.00000   127%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 12
  Clique: 13
  MIR: 87
  StrongCG: 1
  Zero half: 34
  RLT: 46
  BQP: 1

Explored 1 nodes (74777 simplex iterations) in 50.07 seconds (51.99 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 6

Time limit reached
Best objective 1.500000000000e+01, best bound 3.400000000000e+01, gap 126.6667%

Wrote result file './lp_solutions/grafo5135.39.sol'

