
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:13:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6869.43.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/grafo6869.43.lp
Reading time = 1.15 seconds
: 556738 rows, 3027 columns, 1673192 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 556738 rows, 3027 columns and 1673192 nonzeros
Model fingerprint: 0x0cf0b6c3
Variable types: 55 continuous, 2972 integer (2972 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]
Presolve removed 297766 rows and 58 columns (presolve time = 5s) ...
Presolve removed 297766 rows and 58 columns
Presolve time: 5.22s
Presolved: 258972 rows, 2969 columns, 780339 nonzeros
Variable types: 0 continuous, 2969 integer (2914 binary)
Root relaxation presolved: 2961 rows, 261933 columns, 783308 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    9.4024000e+02   0.000000e+00   2.598241e+06      7s
   13658    1.2479393e+02   0.000000e+00   8.285239e+05     10s
   33954    8.9885229e+01   0.000000e+00   2.520143e+06     16s
   47895    5.4994384e+01   0.000000e+00   5.422966e+05     21s
   58355    5.4956790e+01   0.000000e+00   2.031026e+05     25s
   72681    5.4893722e+01   0.000000e+00   1.405932e+05     30s
   87466    5.4855256e+01   0.000000e+00   2.259672e+05     35s
  101632    5.4834101e+01   0.000000e+00   3.499193e+04     40s
  115672    5.4821750e+01   0.000000e+00   1.022221e+04     45s

Root relaxation: time limit, 0 iterations, 43.85 seconds (26.17 work units)

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

H    0     0                       5.0000000  401.00000  7920%     -   50s

Explored 1 nodes (0 simplex iterations) in 50.09 seconds (30.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.010000000000e+02, gap 7920.0000%

Wrote result file './lp_solutions/grafo6869.43.sol'

