
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:57:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5303.34.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/grafo5303.34.lp
Reading time = 0.14 seconds
: 85350 rows, 1572 columns, 257257 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 85350 rows, 1572 columns and 257257 nonzeros
Model fingerprint: 0x27c70329
Variable types: 38 continuous, 1534 integer (1534 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 1.0000000
Presolve removed 30806 rows and 21 columns
Presolve time: 0.59s
Presolved: 54544 rows, 1551 columns, 165094 nonzeros
Variable types: 0 continuous, 1551 integer (1513 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1551 rows, 56095 columns, 166645 nonzeros


Root relaxation: objective 3.500000e+01, 2516 iterations, 0.67 seconds (0.89 work units)
Total elapsed time = 6.84s (DegenMoves)

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

     0     0   35.00000    0  638    9.00000   35.00000   289%     -    9s
     0     0   35.00000    0  776    9.00000   35.00000   289%     -   22s
H    0     0                      10.0000000   35.00000   250%     -   22s
     0     0   35.00000    0  754   10.00000   35.00000   250%     -   23s
H    0     0                      12.0000000   35.00000   192%     -   45s
H    0     0                      13.0000000   35.00000   169%     -   45s
     0     0   35.00000    0  498   13.00000   35.00000   169%     -   47s
     0     0  postponed    0        13.00000   35.00000   169%     -   50s

Cutting planes:
  Clique: 29
  MIR: 26
  Zero half: 2
  RLT: 32
  BQP: 4

Explored 1 nodes (42766 simplex iterations) in 50.07 seconds (49.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 10 ... 1

Time limit reached
Best objective 1.300000000000e+01, best bound 3.500000000000e+01, gap 169.2308%

Wrote result file './lp_solutions/grafo5303.34.sol'

