
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:59:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6076.34.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/grafo6076.34.lp
Reading time = 0.16 seconds
: 96564 rows, 1493 columns, 290819 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 96564 rows, 1493 columns and 290819 nonzeros
Model fingerprint: 0xea89ffca
Variable types: 35 continuous, 1458 integer (1458 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 54549 rows and 48 columns
Presolve time: 0.57s
Presolved: 42015 rows, 1445 columns, 127423 nonzeros
Variable types: 0 continuous, 1445 integer (1410 binary)
Root relaxation presolved: 1442 rows, 43457 columns, 128868 nonzeros


Root relaxation: objective 3.700000e+01, 2475 iterations, 0.71 seconds (0.75 work units)
Total elapsed time = 5.10s (DegenMoves)

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

     0     0   37.00000    0  345          -   37.00000      -     -    5s
H    0     0                       9.0000000   37.00000   311%     -    6s
     0     0   37.00000    0  553    9.00000   37.00000   311%     -    8s
H    0     0                      11.0000000   37.00000   236%     -    9s
     0     0   37.00000    0  538   11.00000   37.00000   236%     -    9s
     0     0   37.00000    0  409   11.00000   37.00000   236%     -   18s
     0     0   37.00000    0  390   11.00000   37.00000   236%     -   19s
     0     0   37.00000    0  445   11.00000   37.00000   236%     -   24s
H    0     0                      16.0000000   37.00000   131%     -   25s
     0     0   37.00000    0  409   16.00000   37.00000   131%     -   25s
H    0     0                      17.0000000   37.00000   118%     -   34s
     0     0   37.00000    0  412   17.00000   37.00000   118%     -   34s
     0     0   37.00000    0  395   17.00000   37.00000   118%     -   35s
H    0     0                      18.0000000   37.00000   106%     -   50s
     0     0   37.00000    0  402   18.00000   37.00000   106%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 27
  Clique: 14
  MIR: 110
  StrongCG: 2
  GUB cover: 2
  Zero half: 31
  RLT: 55
  BQP: 2

Explored 1 nodes (64415 simplex iterations) in 50.05 seconds (50.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 18 17 16 ... 9

Time limit reached
Best objective 1.800000000000e+01, best bound 3.700000000000e+01, gap 105.5556%

Wrote result file './lp_solutions/grafo6076.34.sol'

