
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:05:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3563.36.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/grafo3563.36.lp
Reading time = 0.30 seconds
: 177666 rows, 1997 columns, 534794 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 177666 rows, 1997 columns and 534794 nonzeros
Model fingerprint: 0xfaca2b90
Variable types: 44 continuous, 1953 integer (1953 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 74251 rows and 7 columns
Presolve time: 1.14s
Presolved: 103415 rows, 1990 columns, 312375 nonzeros
Variable types: 0 continuous, 1990 integer (1946 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1982 rows, 105397 columns, 314365 nonzeros


Root relaxation: objective 4.100000e+01, 3803 iterations, 2.67 seconds (3.27 work units)
Total elapsed time = 26.82s (DegenMoves)
Total elapsed time = 30.19s (DegenMoves)

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

     0     0   41.00000    0  480    6.00000   41.00000   583%     -   34s
     0     0   41.00000    0  723    6.00000   41.00000   583%     -   49s

Cutting planes:
  Gomory: 3
  Cover: 1
  Clique: 39
  MIR: 39
  RLT: 20
  BQP: 2

Explored 1 nodes (28544 simplex iterations) in 50.02 seconds (59.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 4.100000000000e+01, gap 583.3333%

Wrote result file './lp_solutions/grafo3563.36.sol'

