
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:49:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6006.36.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/grafo6006.36.lp
Reading time = 0.07 seconds
: 44890 rows, 1426 columns, 135579 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 44890 rows, 1426 columns and 135579 nonzeros
Model fingerprint: 0xc6e2a6f3
Variable types: 35 continuous, 1391 integer (1391 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]
Found heuristic solution: objective -0.0000000
Presolve removed 10373 rows and 36 columns
Presolve time: 0.31s
Presolved: 34517 rows, 1390 columns, 104752 nonzeros
Variable types: 0 continuous, 1390 integer (1355 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 20832 rows, 15075 columns, 77382 nonzeros


Root relaxation: objective 2.900000e+01, 1816 iterations, 0.55 seconds (0.53 work units)
Total elapsed time = 7.60s (DegenMoves)

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

     0     0   29.00000    0  364    6.00000   29.00000   383%     -    8s
H    0     0                       7.0000000   29.00000   314%     -    8s
H    0     0                       8.0000000   29.00000   262%     -   13s
     0     0   29.00000    0  531    8.00000   29.00000   262%     -   13s
     0     0   29.00000    0  478    8.00000   29.00000   262%     -   13s
H    0     0                       9.0000000   29.00000   222%     -   29s
     0     0   29.00000    0  374    9.00000   29.00000   222%     -   29s
     0     0   29.00000    0  376    9.00000   29.00000   222%     -   30s
     0     0   29.00000    0  301    9.00000   29.00000   222%     -   35s
     0     0   29.00000    0  320    9.00000   29.00000   222%     -   36s
     0     0   29.00000    0  340    9.00000   29.00000   222%     -   40s
     0     0   29.00000    0  281    9.00000   29.00000   222%     -   40s
     0     0   29.00000    0  366    9.00000   29.00000   222%     -   49s
     0     0   29.00000    0  365    9.00000   29.00000   222%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 27
  Clique: 9
  MIR: 18
  GUB cover: 3
  Zero half: 1
  RLT: 21

Explored 1 nodes (77536 simplex iterations) in 50.05 seconds (52.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 7 ... -0

Time limit reached
Best objective 9.000000000000e+00, best bound 2.900000000000e+01, gap 222.2222%

Wrote result file './lp_solutions/grafo6006.36.sol'

