CNF Benchmark Suite: PIPE-UNSAT.1.0
======================================

Description:    Bigger variants of the pipe benchmarks

# of instances: 13

Author:         Miroslav N. Velev (mvelev@ece.cmu.edu)
                http://www.ece.cmu.edu/~mvelev

Date:           August 1, 2003



CNF Formula      Size [Bytes]    Variables    Clauses    Literals    Avg. Literals/Clause
--------------------------------------------------------------------------------------------
2pipe_k                 94043          860       6693       18633                2.783953
3pipe_k                430734         2391      27405       78127                2.850830
4pipe_k               1324780         5095      79489      229675                2.889394
5pipe_k               3202950         9330     189109      551125                2.914325
6pipe_k               7276792        15346     408792     1199026                2.933096
7pipe_k              13632043        23909     751116     2211464                2.944238
8pipe_k              24720531        35065    1332773     3936683                2.953754
9pipe_k              43681345        49112    2317839     6864955                2.961791
10pipe_k             68181984        67300    3601247    10684759                2.966961
11pipe_k            105862458        89315    5584003    16593705                2.971650
12pipe_k            161121304       115915    8395649    24981011                2.975471
13pipe_k            238974470       147626   12295313    36623081                2.978621
14pipe_k            342865637       184980   17597059    52461115                2.981243