
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:29:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7175.46.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/grafo7175.46.lp
Reading time = 0.34 seconds
: 204994 rows, 3578 columns, 618642 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 204994 rows, 3578 columns and 618642 nonzeros
Model fingerprint: 0x18867b03
Variable types: 64 continuous, 3514 integer (3514 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, 6e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 51640 rows and 0 columns
Presolve time: 1.37s
Presolved: 153354 rows, 3578 columns, 464278 nonzeros
Variable types: 0 continuous, 3578 integer (3514 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 3536 rows, 156890 columns, 467856 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13337    9.7695270e+01   0.000000e+00   1.309295e+06      5s
   26574    7.5966050e+01   0.000000e+00   3.670399e+05     10s
   39099    7.1938846e+01   0.000000e+00   1.186657e+06     15s
   51581    7.1923830e+01   0.000000e+00   3.011948e+04     20s
   63689    7.1914922e+01   0.000000e+00   2.731174e+04     25s
   75457    7.1907353e+01   0.000000e+00   1.140481e+05     30s
   87339    7.1901475e+01   0.000000e+00   3.915155e+04     35s
   98758    7.1897236e+01   0.000000e+00   2.373484e+04     40s
  110919    7.1893281e+01   0.000000e+00   9.562264e+04     45s

Root relaxation: time limit, 122273 iterations, 48.36 seconds (37.00 work units)

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

     0     0          -    0         9.00000  318.00000  3433%     -   50s

Explored 1 nodes (122273 simplex iterations) in 50.03 seconds (38.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 9 -0 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.180000000000e+02, gap 3433.3333%

Wrote result file './lp_solutions/grafo7175.46.sol'

