
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:11:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4059.48.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/grafo4059.48.lp
Reading time = 0.40 seconds
: 237017 rows, 3350 columns, 714216 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 237017 rows, 3350 columns and 714216 nonzeros
Model fingerprint: 0x56b435f7
Variable types: 58 continuous, 3292 integer (3292 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 78719 rows and 11 columns
Presolve time: 1.77s
Presolved: 158298 rows, 3339 columns, 478605 nonzeros
Variable types: 0 continuous, 3339 integer (3281 binary)
Root relaxation presolved: 3325 rows, 161623 columns, 481944 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13501    9.2338302e+01   0.000000e+00   1.848156e+06      5s
   25169    7.0813610e+01   0.000000e+00   1.719094e+05     10s
   35818    6.3717435e+01   0.000000e+00   4.398514e+04     15s
   45802    6.2679948e+01   0.000000e+00   3.874503e+04     20s
   57034    6.2663949e+01   0.000000e+00   3.424874e+04     25s
   68266    6.2657637e+01   0.000000e+00   1.664578e+04     30s
   77626    6.2656279e+01   0.000000e+00   9.641542e-02     35s
   77637    6.3000000e+01   0.000000e+00   0.000000e+00     35s
   77637    6.3000000e+01   0.000000e+00   0.000000e+00     35s
   77637    6.3000000e+01   0.000000e+00   0.000000e+00     35s

Root relaxation: objective 6.300000e+01, 77637 iterations, 32.96 seconds (17.98 work units)

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

     0     0   63.00000    0 1529          -   63.00000      -     -   50s
H    0     0                       6.0000000   63.00000   950%     -   50s

Explored 1 nodes (83270 simplex iterations) in 50.07 seconds (32.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 6.300000000000e+01, gap 950.0000%

Wrote result file './lp_solutions/grafo4059.48.sol'

