
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:26:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10062.39.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/grafo10062.39.lp
Reading time = 0.38 seconds
: 59942 rows, 1717 columns, 181002 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 59942 rows, 1717 columns and 181002 nonzeros
Model fingerprint: 0x0d620a02
Variable types: 38 continuous, 1679 integer (1679 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 2.0000000
Presolve removed 14330 rows and 24 columns
Presolve time: 1.14s
Presolved: 45612 rows, 1693 columns, 138332 nonzeros
Variable types: 0 continuous, 1693 integer (1655 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 28037 rows, 19268 columns, 103182 nonzeros


Root relaxation: objective 3.400000e+01, 3022 iterations, 3.64 seconds (1.45 work units)
Total elapsed time = 9.33s (DegenMoves)
Total elapsed time = 20.12s (DegenMoves)

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

     0     0   34.00000    0  368    8.00000   34.00000   325%     -   24s
H    0     0                      10.0000000   34.00000   240%     -   25s
     0     0   34.00000    0  607   10.00000   34.00000   240%     -   45s
     0     0   34.00000    0  598   10.00000   34.00000   240%     -   46s

Cutting planes:
  Gomory: 4
  Lift-and-project: 5
  Cover: 5
  Clique: 11
  MIR: 96
  Zero half: 66
  RLT: 26

Explored 1 nodes (25988 simplex iterations) in 50.34 seconds (20.44 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 8 2 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.300000000000e+01, gap 230.0000%

Wrote result file './lp_solutions/grafo10062.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:37:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10062.39.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/grafo10062.39.lp
Reading time = 0.11 seconds
: 59942 rows, 1717 columns, 181002 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 59942 rows, 1717 columns and 181002 nonzeros
Model fingerprint: 0x0d620a02
Variable types: 38 continuous, 1679 integer (1679 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 2.0000000
Presolve removed 14330 rows and 24 columns
Presolve time: 0.42s
Presolved: 45612 rows, 1693 columns, 138332 nonzeros
Variable types: 0 continuous, 1693 integer (1655 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 28037 rows, 19268 columns, 103182 nonzeros


Root relaxation: objective 3.400000e+01, 3022 iterations, 1.42 seconds (1.45 work units)
Total elapsed time = 9.01s (DegenMoves)
Total elapsed time = 10.10s (DegenMoves)

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

     0     0   34.00000    0  368    8.00000   34.00000   325%     -   11s
H    0     0                      10.0000000   34.00000   240%     -   11s
     0     0   34.00000    0  607   10.00000   34.00000   240%     -   16s
     0     0   34.00000    0  598   10.00000   34.00000   240%     -   17s
H    0     0                      11.0000000   34.00000   209%     -   19s
H    0     0                      12.0000000   33.00000   175%     -   30s
H    0     0                      13.0000000   33.00000   154%     -   30s
     0     0   33.00000    0  441   13.00000   33.00000   154%     -   30s
H    0     0                      14.0000000   33.00000   136%     -   30s
     0     0   33.00000    0  453   14.00000   33.00000   136%     -   31s
     0     0   33.00000    0  487   14.00000   33.00000   136%     -   39s
     0     0   33.00000    0  488   14.00000   33.00000   136%     -   40s
     0     0   33.00000    0  498   14.00000   33.00000   136%     -   47s
     0     0   33.00000    0  531   14.00000   33.00000   136%     -   47s
     0     0   33.00000    0  500   14.00000   33.00000   136%     -   50s

Cutting planes:
  Cover: 2
  Clique: 11
  MIR: 76
  Zero half: 25
  RLT: 47

Explored 1 nodes (63444 simplex iterations) in 50.05 seconds (50.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo10062.39.sol'

