
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:32:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6867.45.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/grafo6867.45.lp
Reading time = 1.66 seconds
: 785376 rows, 4336 columns, 2360956 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 785376 rows, 4336 columns and 2360956 nonzeros
Model fingerprint: 0xed5d920c
Variable types: 70 continuous, 4266 integer (4266 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, 7e+01]
Found heuristic solution: objective 2.0000000
Presolve removed 347026 rows and 13 columns (presolve time = 5s) ...
Presolve removed 347026 rows and 13 columns
Presolve time: 6.96s
Presolved: 438350 rows, 4323 columns, 1320418 nonzeros
Variable types: 0 continuous, 4323 integer (4253 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 4305 rows, 442655 columns, 1324741 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.4494600e+03   0.000000e+00   2.343464e+06     10s
    3739    6.5222455e+02   0.000000e+00   5.640779e+06     10s
   19338    2.8215338e+02   0.000000e+00   2.797807e+06     16s
   32600    2.3624616e+02   0.000000e+00   4.937802e+05     22s
   41075    2.1580018e+02   0.000000e+00   6.126230e+05     27s
   48750    2.0094239e+02   0.000000e+00   2.747991e+06     31s
   56638    1.8581749e+02   0.000000e+00   7.591441e+06     36s
   63065    1.7676692e+02   0.000000e+00   1.501004e+06     40s
   74674    1.6123934e+02   0.000000e+00   4.087986e+05     48s

Root relaxation: time limit, 77289 iterations, 42.17 seconds (27.92 work units)

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

     0     0          -    0         6.00000  650.00000      -     -   50s

Explored 1 nodes (77289 simplex iterations) in 50.07 seconds (34.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 2 

Time limit reached
Best objective 6.000000000000e+00, best bound 6.500000000000e+02, gap 10733.3333%

Wrote result file './lp_solutions/grafo6867.45.sol'

