
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 02:38:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7666.42.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/grafo7666.42.lp
Reading time = 0.63 seconds
: 315647 rows, 3345 columns, 950467 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 315647 rows, 3345 columns and 950467 nonzeros
Model fingerprint: 0x3d0962e6
Variable types: 62 continuous, 3283 integer (3283 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 117842 rows and 30 columns
Presolve time: 3.14s
Presolved: 197805 rows, 3315 columns, 597550 nonzeros
Variable types: 0 continuous, 3315 integer (3253 binary)
Root relaxation presolved: 3315 rows, 201120 columns, 600865 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    3460    2.0680035e+02   0.000000e+00   1.367322e+06      5s
   21368    8.8751106e+01   0.000000e+00   6.433974e+07     10s
   33008    6.9784503e+01   0.000000e+00   6.100656e+05     15s
   43610    6.9711176e+01   0.000000e+00   4.424892e+05     20s
   55320    6.9657144e+01   0.000000e+00   2.263287e+05     25s
   66240    6.9632921e+01   0.000000e+00   1.472064e+05     30s
   77160    6.9618804e+01   0.000000e+00   1.402821e+05     35s
   87300    6.9610424e+01   0.000000e+00   1.883304e+04     40s
   98220    6.9604597e+01   0.000000e+00   1.946502e+04     45s

Root relaxation: time limit, 0 iterations, 46.22 seconds (25.65 work units)

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

H    0     0                       1.0000000  379.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.04 seconds (28.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 1 

Time limit reached
Best objective 1.000000000000e+00, best bound 3.790000000000e+02, gap 37800.0000%

Wrote result file './lp_solutions/grafo7666.42.sol'

