
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:57:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6807.38.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/grafo6807.38.lp
Reading time = 0.17 seconds
: 99914 rows, 2012 columns, 301469 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 99914 rows, 2012 columns and 301469 nonzeros
Model fingerprint: 0xf65458b7
Variable types: 45 continuous, 1967 integer (1967 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 30717 rows and 31 columns
Presolve time: 0.86s
Presolved: 69197 rows, 1981 columns, 209619 nonzeros
Variable types: 0 continuous, 1981 integer (1936 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1981 rows, 71178 columns, 211600 nonzeros


Root relaxation: objective 4.200000e+01, 1889 iterations, 0.45 seconds (0.43 work units)
Total elapsed time = 5.15s (DegenMoves)

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

     0     0   42.00000    0  309    9.00000   42.00000   367%     -    5s
H    0     0                      11.0000000   42.00000   282%     -    7s
     0     0   42.00000    0  522   11.00000   42.00000   282%     -   12s
H    0     0                      13.0000000   42.00000   223%     -   12s
     0     0   42.00000    0  513   13.00000   42.00000   223%     -   12s
     0     0   42.00000    0  443   13.00000   42.00000   223%     -   34s
     0     0   42.00000    0  373   13.00000   42.00000   223%     -   34s
     0     0   42.00000    0  806   13.00000   42.00000   223%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 43
  Clique: 47
  MIR: 95
  StrongCG: 2
  GUB cover: 8
  Zero half: 26
  RLT: 71
  BQP: 10

Explored 1 nodes (35054 simplex iterations) in 50.09 seconds (41.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 11 9 3 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.200000000000e+01, gap 223.0769%

Wrote result file './lp_solutions/grafo6807.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:52:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6807.38.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/grafo6807.38.lp
Reading time = 0.16 seconds
: 99914 rows, 2012 columns, 301469 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 99914 rows, 2012 columns and 301469 nonzeros
Model fingerprint: 0xf65458b7
Variable types: 45 continuous, 1967 integer (1967 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 30717 rows and 31 columns
Presolve time: 0.72s
Presolved: 69197 rows, 1981 columns, 209619 nonzeros
Variable types: 0 continuous, 1981 integer (1936 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1981 rows, 71178 columns, 211600 nonzeros


Root relaxation: objective 4.200000e+01, 1889 iterations, 0.41 seconds (0.43 work units)
Total elapsed time = 5.08s (DegenMoves)

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

     0     0   42.00000    0  309    9.00000   42.00000   367%     -    5s
H    0     0                      11.0000000   42.00000   282%     -    6s
     0     0   42.00000    0  522   11.00000   42.00000   282%     -   10s
H    0     0                      13.0000000   42.00000   223%     -   11s
     0     0   42.00000    0  513   13.00000   42.00000   223%     -   11s
     0     0   42.00000    0  443   13.00000   42.00000   223%     -   29s
     0     0   42.00000    0  373   13.00000   42.00000   223%     -   30s
     0     0   42.00000    0  806   13.00000   42.00000   223%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 43
  Clique: 47
  MIR: 95
  StrongCG: 2
  GUB cover: 8
  Zero half: 26
  RLT: 71
  BQP: 10

Explored 1 nodes (41116 simplex iterations) in 50.08 seconds (47.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 11 9 3 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.200000000000e+01, gap 223.0769%

Wrote result file './lp_solutions/grafo6807.38.sol'

