
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 17:56:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1196.29.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/grafo1196.29.lp
Reading time = 0.12 seconds
: 59183 rows, 1153 columns, 178370 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 59183 rows, 1153 columns and 178370 nonzeros
Model fingerprint: 0x58774ff4
Variable types: 31 continuous, 1122 integer (1122 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]
Found heuristic solution: objective 3.0000000
Presolve removed 24134 rows and 14 columns
Presolve time: 0.54s
Presolved: 35049 rows, 1139 columns, 106183 nonzeros
Variable types: 0 continuous, 1139 integer (1108 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1139 rows, 36188 columns, 107322 nonzeros


Root relaxation: objective 3.600000e+01, 1783 iterations, 0.42 seconds (0.40 work units)
Total elapsed time = 7.79s (DegenMoves)

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

     0     0   36.00000    0  333    6.00000   36.00000   500%     -   10s
     0     0   36.00000    0  402    6.00000   36.00000   500%     -   13s
     0     0   36.00000    0  383    6.00000   36.00000   500%     -   13s
     0     0   36.00000    0  316    6.00000   36.00000   500%     -   24s
H    0     0                       8.0000000   36.00000   350%     -   25s
     0     0   36.00000    0  448    8.00000   36.00000   350%     -   27s
H    0     0                       9.0000000   36.00000   300%     -   44s
     0     0   36.00000    0  337    9.00000   36.00000   300%     -   44s
     0     0   36.00000    0  309    9.00000   36.00000   300%     -   45s
     0     0   36.00000    0  413    9.00000   36.00000   300%     -   50s

Cutting planes:
  Cover: 18
  Clique: 29
  MIR: 103
  StrongCG: 2
  GUB cover: 2
  Zero half: 53
  RLT: 53

Explored 1 nodes (46803 simplex iterations) in 50.05 seconds (37.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 9 8 6 3 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.600000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo1196.29.sol'

