
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:20:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7282.36.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/grafo7282.36.lp
Reading time = 0.16 seconds
: 93517 rows, 1993 columns, 282344 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 93517 rows, 1993 columns and 282344 nonzeros
Model fingerprint: 0x31feea24
Variable types: 45 continuous, 1948 integer (1948 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 3.0000000
Presolve removed 27997 rows and 20 columns
Presolve time: 0.70s
Presolved: 65520 rows, 1973 columns, 198705 nonzeros
Variable types: 0 continuous, 1973 integer (1928 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1973 rows, 67493 columns, 200678 nonzeros


Root relaxation: objective 4.500000e+01, 2740 iterations, 0.56 seconds (0.63 work units)
Total elapsed time = 6.94s (DegenMoves)

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

     0     0   45.00000    0  454    7.00000   45.00000   543%     -    8s
H    0     0                      13.0000000   45.00000   246%     -    8s
H    0     0                      14.0000000   45.00000   221%     -   10s
H    0     0                      15.0000000   45.00000   200%     -   18s
     0     0   45.00000    0  698   15.00000   45.00000   200%     -   18s
     0     0   45.00000    0  689   15.00000   45.00000   200%     -   18s
H    0     0                      16.0000000   45.00000   181%     -   41s
     0     0   45.00000    0  397   16.00000   45.00000   181%     -   41s
     0     0   45.00000    0  379   16.00000   45.00000   181%     -   42s
     0     0   45.00000    0  609   16.00000   45.00000   181%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 35
  Clique: 15
  MIR: 140
  GUB cover: 2
  Zero half: 56
  RLT: 56
  BQP: 1
  PSD: 1

Explored 1 nodes (40078 simplex iterations) in 50.08 seconds (46.99 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 4.500000000000e+01, gap 181.2500%

Wrote result file './lp_solutions/grafo7282.36.sol'

