
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 08:21:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11266.40.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/grafo11266.40.lp
Reading time = 0.11 seconds
: 67198 rows, 1953 columns, 203084 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 67198 rows, 1953 columns and 203084 nonzeros
Model fingerprint: 0xe92f65f9
Variable types: 40 continuous, 1913 integer (1913 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 20169 rows and 68 columns
Presolve time: 0.42s
Presolved: 47029 rows, 1885 columns, 143074 nonzeros
Variable types: 0 continuous, 1885 integer (1845 binary)
Root relaxation presolved: 27269 rows, 21645 columns, 103554 nonzeros


Root relaxation: objective 3.600000e+01, 2177 iterations, 0.72 seconds (0.60 work units)

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

     0     0   36.00000    0  403          -   36.00000      -     -    2s
H    0     0                      11.0000000   36.00000   227%     -    2s
H    0     0                      12.0000000   36.00000   200%     -    2s
     0     0   36.00000    0  599   12.00000   36.00000   200%     -    6s
     0     0   36.00000    0  560   12.00000   36.00000   200%     -    7s
     0     0   36.00000    0  631   12.00000   36.00000   200%     -   39s
     0     0   36.00000    0  640   12.00000   36.00000   200%     -   40s
     0     0   36.00000    0  664   12.00000   36.00000   200%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 8
  Clique: 2
  MIR: 67
  StrongCG: 1
  Inf proof: 2
  Zero half: 82
  RLT: 57

Explored 1 nodes (34494 simplex iterations) in 50.09 seconds (28.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 12 11 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo11266.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:19:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11266.40.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/grafo11266.40.lp
Reading time = 0.17 seconds
: 67198 rows, 1953 columns, 203084 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 67198 rows, 1953 columns and 203084 nonzeros
Model fingerprint: 0xe92f65f9
Variable types: 40 continuous, 1913 integer (1913 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 20169 rows and 68 columns
Presolve time: 0.65s
Presolved: 47029 rows, 1885 columns, 143074 nonzeros
Variable types: 0 continuous, 1885 integer (1845 binary)
Root relaxation presolved: 27269 rows, 21645 columns, 103554 nonzeros


Root relaxation: objective 3.600000e+01, 2177 iterations, 1.11 seconds (0.60 work units)

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

     0     0   36.00000    0  403          -   36.00000      -     -    4s
H    0     0                      11.0000000   36.00000   227%     -    4s
H    0     0                      12.0000000   36.00000   200%     -    4s
     0     0   36.00000    0  599   12.00000   36.00000   200%     -   11s
     0     0   36.00000    0  560   12.00000   36.00000   200%     -   12s
     0     0   36.00000    0  631   12.00000   36.00000   200%     -   39s
     0     0   36.00000    0  640   12.00000   36.00000   200%     -   40s
     0     0   36.00000    0  664   12.00000   36.00000   200%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 8
  Clique: 2
  MIR: 67
  StrongCG: 1
  Inf proof: 2
  Zero half: 82
  RLT: 57

Explored 1 nodes (33793 simplex iterations) in 50.09 seconds (28.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 12 11 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo11266.40.sol'

