
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:48:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5636.44.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/grafo5636.44.lp
Reading time = 0.13 seconds
: 68211 rows, 1984 columns, 206008 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 68211 rows, 1984 columns and 206008 nonzeros
Model fingerprint: 0xf3015978
Variable types: 38 continuous, 1946 integer (1946 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 15268 rows and 63 columns
Presolve time: 0.58s
Presolved: 52943 rows, 1921 columns, 160500 nonzeros
Variable types: 0 continuous, 1921 integer (1883 binary)
Root relaxation presolved: 1921 rows, 54864 columns, 162421 nonzeros


Root relaxation: objective 3.200000e+01, 1566 iterations, 0.43 seconds (0.30 work units)

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

     0     0   32.00000    0  296          -   32.00000      -     -    4s
H    0     0                      10.0000000   32.00000   220%     -    5s
H    0     0                      11.0000000   32.00000   191%     -    5s
H    0     0                      13.0000000   32.00000   146%     -    7s
     0     0   32.00000    0  536   13.00000   32.00000   146%     -   11s
     0     0   32.00000    0  460   13.00000   32.00000   146%     -   12s
H    0     0                      14.0000000   32.00000   129%     -   15s
H    0     0                      15.0000000   32.00000   113%     -   23s
     0     0   32.00000    0  306   15.00000   32.00000   113%     -   23s
     0     0   32.00000    0  304   15.00000   32.00000   113%     -   25s
     0     0   32.00000    0  258   15.00000   32.00000   113%     -   31s
     0     0   32.00000    0  218   15.00000   32.00000   113%     -   31s
H    0     0                      16.0000000   32.00000   100%     -   37s
     0     0   32.00000    0  300   16.00000   32.00000   100%     -   37s
     0     0   32.00000    0  297   16.00000   32.00000   100%     -   37s
     0     0   32.00000    0  345   16.00000   32.00000   100%     -   41s
     0     0   32.00000    0  273   16.00000   32.00000   100%     -   42s
H    0     0                      17.0000000   32.00000  88.2%     -   50s
     0     0   32.00000    0  316   17.00000   32.00000  88.2%     -   50s

Cutting planes:
  Clique: 8
  MIR: 2
  StrongCG: 1
  Zero half: 1
  RLT: 13

Explored 1 nodes (50230 simplex iterations) in 50.15 seconds (32.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 17 16 15 ... 10

Time limit reached
Best objective 1.700000000000e+01, best bound 3.200000000000e+01, gap 88.2353%

Wrote result file './lp_solutions/grafo5636.44.sol'

