
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:21:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6499.46.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/grafo6499.46.lp
Reading time = 0.55 seconds
: 343330 rows, 3449 columns, 1033342 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 343330 rows, 3449 columns and 1033342 nonzeros
Model fingerprint: 0x7467faa5
Variable types: 60 continuous, 3389 integer (3389 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 134215 rows and 10 columns
Presolve time: 2.29s
Presolved: 209115 rows, 3439 columns, 631187 nonzeros
Variable types: 0 continuous, 3439 integer (3379 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 3422 rows, 212537 columns, 634626 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   10930    1.4607552e+02   0.000000e+00   4.871294e+05      5s
   30676    8.5819662e+01   0.000000e+00   3.971305e+05     10s
   45727    7.8718534e+01   0.000000e+00   1.881200e+05     15s
   59994    7.5666738e+01   0.000000e+00   3.729266e+05     20s
   75601    7.5619975e+01   0.000000e+00   3.117576e+04     25s
   90421    7.5603019e+01   0.000000e+00   5.445050e+04     30s
  104461    7.5594685e+01   0.000000e+00   1.192916e+04     35s
  119281    7.5589762e+01   0.000000e+00   1.007367e+04     40s
  134101    7.5587151e+01   0.000000e+00   4.295888e+02     45s

Root relaxation: time limit, 147905 iterations, 47.39 seconds (36.83 work units)

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

     0     0          -    0         7.00000  426.00000  5986%     -   50s

Explored 1 nodes (147905 simplex iterations) in 50.03 seconds (39.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 -0 

Time limit reached
Best objective 7.000000000000e+00, best bound 4.260000000000e+02, gap 5985.7143%

Wrote result file './lp_solutions/grafo6499.46.sol'

