
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:33:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11583.37.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/grafo11583.37.lp
Reading time = 0.28 seconds
: 177811 rows, 2028 columns, 535254 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 177811 rows, 2028 columns and 535254 nonzeros
Model fingerprint: 0xcdebc015
Variable types: 45 continuous, 1983 integer (1983 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, 5e+01]
Presolve removed 97246 rows and 42 columns
Presolve time: 1.24s
Presolved: 80565 rows, 1986 columns, 243826 nonzeros
Variable types: 0 continuous, 1986 integer (1941 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1986 rows, 82551 columns, 245812 nonzeros


Root relaxation: objective 3.700000e+01, 3184 iterations, 1.31 seconds (1.76 work units)
Total elapsed time = 14.55s (DegenMoves)

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

     0     0   37.00000    0  634   10.00000   37.00000   270%     -   15s
H    0     0                      11.0000000   37.00000   236%     -   15s
     0     0   37.00000    0  777   11.00000   37.00000   236%     -   32s
     0     0   37.00000    0  863   11.00000   37.00000   236%     -   34s
     0     0   37.00000    0  786   11.00000   37.00000   236%     -   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 29
  Cover: 4
  Clique: 19
  MIR: 91
  Zero half: 57
  RLT: 46

Explored 1 nodes (28009 simplex iterations) in 50.03 seconds (50.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 10 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.700000000000e+01, gap 236.3636%

Wrote result file './lp_solutions/grafo11583.37.sol'

