
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:54:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6662.46.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/grafo6662.46.lp
Reading time = 0.59 seconds
: 309318 rows, 3341 columns, 931205 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 309318 rows, 3341 columns and 931205 nonzeros
Model fingerprint: 0xb670a50d
Variable types: 59 continuous, 3282 integer (3282 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 2.0000000
Presolve removed 115326 rows and 12 columns
Presolve time: 2.66s
Presolved: 193992 rows, 3329 columns, 585760 nonzeros
Variable types: 0 continuous, 3329 integer (3270 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 3314 rows, 197306 columns, 589089 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8019    1.5792456e+02   0.000000e+00   6.753500e+05      5s
   24045    8.9971837e+01   0.000000e+00   1.520442e+07     10s
   37310    7.7996314e+01   0.000000e+00   8.845634e+04     16s
   48761    6.6921831e+01   0.000000e+00   3.425098e+05     20s
   59609    6.4860619e+01   0.000000e+00   3.507946e+05     25s
   71929    6.4825384e+01   0.000000e+00   1.771894e+05     30s
   84610    6.4805977e+01   0.000000e+00   5.943167e+04     35s
   97332    6.4793035e+01   0.000000e+00   8.896455e+04     40s
  109226    6.4783645e+01   0.000000e+00   8.103547e+04     45s

Root relaxation: time limit, 121291 iterations, 46.97 seconds (28.08 work units)

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

     0     0          -    0        11.00000  389.00000  3436%     -   50s

Explored 1 nodes (121291 simplex iterations) in 50.04 seconds (30.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.890000000000e+02, gap 3436.3636%

Wrote result file './lp_solutions/grafo6662.46.sol'

