
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 07:36:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7661.42.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/grafo7661.42.lp
Reading time = 0.46 seconds
: 287937 rows, 2982 columns, 866701 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 287937 rows, 2982 columns and 866701 nonzeros
Model fingerprint: 0xe309b162
Variable types: 56 continuous, 2926 integer (2926 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 1.0000000
Presolve removed 115031 rows and 18 columns
Presolve time: 2.03s
Presolved: 172906 rows, 2964 columns, 521998 nonzeros
Variable types: 0 continuous, 2964 integer (2908 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2958 rows, 175864 columns, 524962 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13711    1.4121383e+02   0.000000e+00   1.351408e+06      5s
   32978    8.8996045e+01   0.000000e+00   1.326376e+05     10s
   49959    6.9881309e+01   0.000000e+00   8.852862e+05     15s
   67662    6.9810034e+01   0.000000e+00   6.582144e+04     20s
   85237    6.9782418e+01   0.000000e+00   6.469357e+03     25s
  102812    6.9770138e+01   0.000000e+00   2.506776e+05     30s
  121090    6.9763405e+01   0.000000e+00   2.359959e+04     35s
  140071    6.9760984e+01   0.000000e+00   7.664085e+01     40s
  143107    7.0000000e+01   0.000000e+00   0.000000e+00     41s
  143107    7.0000000e+01   0.000000e+00   0.000000e+00     41s
  143107    7.0000000e+01   0.000000e+00   0.000000e+00     41s

Root relaxation: objective 7.000000e+01, 143107 iterations, 38.75 seconds (30.51 work units)

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

     0     0   70.00000    0 1752   11.00000   70.00000   536%     -   50s

Explored 1 nodes (146208 simplex iterations) in 50.06 seconds (42.02 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 7.000000000000e+01, gap 536.3636%

Wrote result file './lp_solutions/grafo7661.42.sol'

