
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:58:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4098.39.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/grafo4098.39.lp
Reading time = 0.12 seconds
: 50314 rows, 1808 columns, 152327 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 50314 rows, 1808 columns and 152327 nonzeros
Model fingerprint: 0xc10df8ba
Variable types: 41 continuous, 1767 integer (1767 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 6548 rows and 29 columns
Presolve time: 0.68s
Presolved: 43766 rows, 1779 columns, 133019 nonzeros
Variable types: 0 continuous, 1779 integer (1738 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 23967 rows, 21578 columns, 93421 nonzeros


Root relaxation: objective 3.500000e+01, 4114 iterations, 2.67 seconds (1.68 work units)
Total elapsed time = 8.00s (DegenMoves)
Total elapsed time = 10.02s (DegenMoves)

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

     0     0   35.00000    0  505    7.00000   35.00000   400%     -   10s
     0     0   35.00000    0  657    7.00000   35.00000   400%     -   20s
     0     0   35.00000    0  639    7.00000   35.00000   400%     -   21s
H    0     0                      10.0000000   35.00000   250%     -   25s
H    0     0                      11.0000000   34.00000   209%     -   50s
H    0     0                      12.0000000   34.00000   183%     -   50s
H    0     0                      13.0000000   34.00000   162%     -   50s
     0     0   34.00000    0  531   13.00000   34.00000   162%     -   50s

Cutting planes:
  Clique: 1
  MIR: 7
  RLT: 15
  BQP: 1
  PSD: 1

Explored 1 nodes (41511 simplex iterations) in 50.09 seconds (32.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.400000000000e+01, gap 161.5385%

Wrote result file './lp_solutions/grafo4098.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:17:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4098.39.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/grafo4098.39.lp
Reading time = 0.08 seconds
: 50314 rows, 1808 columns, 152327 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 50314 rows, 1808 columns and 152327 nonzeros
Model fingerprint: 0xc10df8ba
Variable types: 41 continuous, 1767 integer (1767 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 6548 rows and 29 columns
Presolve time: 0.33s
Presolved: 43766 rows, 1779 columns, 133019 nonzeros
Variable types: 0 continuous, 1779 integer (1738 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 23967 rows, 21578 columns, 93421 nonzeros


Root relaxation: objective 3.500000e+01, 4114 iterations, 1.79 seconds (1.68 work units)
Total elapsed time = 5.53s (DegenMoves)

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

     0     0   35.00000    0  505    7.00000   35.00000   400%     -    7s
     0     0   35.00000    0  657    7.00000   35.00000   400%     -   13s
     0     0   35.00000    0  639    7.00000   35.00000   400%     -   14s
H    0     0                      10.0000000   35.00000   250%     -   16s
H    0     0                      11.0000000   34.00000   209%     -   34s
H    0     0                      12.0000000   34.00000   183%     -   34s
H    0     0                      13.0000000   34.00000   162%     -   34s
     0     0   34.00000    0  531   13.00000   34.00000   162%     -   34s
     0     0   34.00000    0  474   13.00000   34.00000   162%     -   35s
     0     0   34.00000    0  372   13.00000   34.00000   162%     -   44s
     0     0   34.00000    0  443   13.00000   34.00000   162%     -   45s
     0     0   34.00000    0  525   13.00000   34.00000   162%     -   50s

Cutting planes:
  Cover: 20
  Clique: 1
  MIR: 109
  StrongCG: 1
  GUB cover: 3
  Zero half: 38
  RLT: 51

Explored 1 nodes (63151 simplex iterations) in 50.04 seconds (46.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.400000000000e+01, gap 161.5385%

Wrote result file './lp_solutions/grafo4098.39.sol'

