
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:40:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7560.35.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/grafo7560.35.lp
Reading time = 0.09 seconds
: 58491 rows, 1768 columns, 176988 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 58491 rows, 1768 columns and 176988 nonzeros
Model fingerprint: 0xa1ea72c7
Variable types: 42 continuous, 1726 integer (1726 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 14141 rows and 28 columns
Presolve time: 0.40s
Presolved: 44350 rows, 1740 columns, 135064 nonzeros
Variable types: 0 continuous, 1740 integer (1698 binary)
Root relaxation presolved: 26325 rows, 19765 columns, 99014 nonzeros


Root relaxation: objective 3.500000e+01, 3301 iterations, 1.49 seconds (1.40 work units)
Total elapsed time = 6.38s (DegenMoves)

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

     0     0   35.00000    0  535          -   35.00000      -     -    6s
H    0     0                       2.0000000   35.00000  1650%     -    8s
     0     0   35.00000    0  822    2.00000   35.00000  1650%     -   17s
H    0     0                       8.0000000   35.00000   337%     -   17s
H    0     0                      11.0000000   35.00000   218%     -   17s
     0     0   35.00000    0  708   11.00000   35.00000   218%     -   20s
     0     0   35.00000    0  459   11.00000   35.00000   218%     -   40s
     0     0   35.00000    0  455   11.00000   35.00000   218%     -   40s
     0     0   35.00000    0  655   11.00000   35.00000   218%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 20
  Clique: 11
  MIR: 98
  GUB cover: 7
  Zero half: 78
  RLT: 56

Explored 1 nodes (57674 simplex iterations) in 50.04 seconds (45.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 8 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.500000000000e+01, gap 218.1818%

Wrote result file './lp_solutions/grafo7560.35.sol'

