
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:38:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7321.39.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/grafo7321.39.lp
Reading time = 0.24 seconds
: 146840 rows, 2015 columns, 442149 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 146840 rows, 2015 columns and 442149 nonzeros
Model fingerprint: 0x9ea9a0e4
Variable types: 43 continuous, 1972 integer (1972 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 56839 rows and 13 columns
Presolve time: 1.01s
Presolved: 90001 rows, 2002 columns, 271948 nonzeros
Variable types: 0 continuous, 2002 integer (1959 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1993 rows, 91994 columns, 273950 nonzeros


Root relaxation: objective 4.500000e+01, 2105 iterations, 0.66 seconds (0.75 work units)
Total elapsed time = 9.29s (DegenMoves)
Total elapsed time = 10.57s (DegenMoves)

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

     0     0   45.00000    0  343    7.00000   45.00000   543%     -   11s
H    0     0                      10.0000000   45.00000   350%     -   11s
     0     0   45.00000    0  682   10.00000   45.00000   350%     -   19s
H    0     0                      11.0000000   45.00000   309%     -   20s
     0     0   45.00000    0  640   11.00000   45.00000   309%     -   21s
     0     0   45.00000    0  492   11.00000   45.00000   309%     -   43s
     0     0   45.00000    0  474   11.00000   45.00000   309%     -   44s
     0     0          -    0        11.00000   45.00000   309%     -   50s

Cutting planes:
  Cover: 37
  Clique: 25
  MIR: 168
  StrongCG: 1
  GUB cover: 4
  Zero half: 44
  Mod-K: 3
  RLT: 56
  BQP: 4

Explored 1 nodes (35457 simplex iterations) in 50.03 seconds (59.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 7 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.500000000000e+01, gap 309.0909%

Wrote result file './lp_solutions/grafo7321.39.sol'

