%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : SWC037-1 : TPTP v3.4.2. Released v2.4.0.
% Transfm  : add_equality:r
% Format   : otter:hypothesis:set(auto),clear(print_given)
% Command  : gandalf-wrapper -time %d %s

% Computer : art04.cs.miami.edu
% Model    : i686 unknown
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 1000MB
% OS       : Linux 2.4.22-21mdk-i686-up-4GB
% CPULimit : 600s

% Result   : Unsatisfiable 20.0s
% Output   : Assurance 20.0s
% Verified : 
% SZS Type : None (Parsing solution fails)
% Syntax   : Number of formulae    : 0

% Comments : 
%------------------------------------------------------------------------------
%----NO SOLUTION OUTPUT BY SYSTEM
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 
% Gandalf c-2.6 r1 starting to prove: /home/graph/tptp/TSTP/PreparedTPTP/otter:hypothesis:set(auto),clear(print_given)---add_equality:r/SWC/SWC037-1+eq_r.in
% Using automatic strategy selection.
% Time limit in seconds: 600
% 
% prove-all-passes started
% 
% detected problem class: neq
% detected subclass: big
% 
% strategies selected: 
% (hyper 28 #f 5 19)
% (binary-unit 28 #f 5 19)
% (binary-double 11 #f 5 19)
% (binary-double 17 #f)
% (binary-double 17 #t)
% (binary 87 #t 5 19)
% (binary-order 28 #f 5 19)
% (binary-posweight-order 58 #f)
% (binary-posweight-lex-big-order 28 #f)
% (binary-posweight-lex-small-order 11 #f)
% (binary-order-sos 28 #t)
% (binary-unit-uniteq 28 #f)
% (binary-weightorder 28 #f)
% (binary-weightorder-sos 17 #f)
% (binary-order 28 #f)
% (hyper-order 17 #f)
% (binary 141 #t)
% 
% 
% ********* EMPTY CLAUSE DERIVED *********
% 
% 
% timer checkpoints: c(202,40,2,404,0,2,65013,4,2293,79571,5,2803,79572,1,2804,79572,50,2808,79572,40,2808,79774,0,2808)
% 
% 
% START OF PROOF
% 79573 [] equal(X,X).
% 79581 [] ss^list(nil).
% 79653 [] -segment^p(nil,X) | equal(nil,X) | -ss^list(X).
% 79688 [] -neq(X,Y) | -equal(X,Y) | -ss^list(Y) | -ss^list(X).
% 79763 [] equal(nil,sk2).
% 79764 [] equal(sk2,sk4).
% 79765 [] equal(sk1,sk3).
% 79766 [] -equal(nil,sk1).
% 79768 [] equal(nil,sk3) | ss^list(sk5).
% 79772 [] neq(sk5,nil) | equal(nil,sk3).
% 79773 [] segment^p(sk4,sk5) | equal(nil,sk3).
% 80106 [para:79765.1.2,79768.1.2,cut:79766] ss^list(sk5).
% 80117 [para:79765.1.2,79772.2.2,cut:79766] neq(sk5,nil).
% 80121 [para:79765.1.2,79773.2.2,cut:79766] segment^p(sk4,sk5).
% 80126 [para:79764.1.2,80121.1.1] segment^p(sk2,sk5).
% 80128 [para:79763.1.2,80126.1.1] segment^p(nil,sk5).
% 80692 [binary:80106,79653.3,cut:80128] equal(nil,sk5).
% 80793 [para:80692.1.2,80117.1.1] neq(nil,nil).
% 83115 [binary:80793,79688,cut:79573,cut:79581] contradiction
% END OF PROOF
% 
% Proof found by the following strategy:
% 
% using binary resolution
% not using sos strategy
% using unit strategy
% using dynamic demodulation
% using ordered paramodulation
% using kb ordering for equality
% preferring bigger arities for lex ordering
% using clause demodulation
% clause length limited to 19
% clause depth limited to 5
% seconds given: 28
% 
% 
% ***GANDALF_FOUND_A_REFUTATION***
% 
% Global statistics over all passes: 
% 
%  given clauses:    471
%  derived clauses:   117296
%  kept clauses:      59660
%  kept size sum:     845171
%  kept mid-nuclei:   16165
%  kept new demods:   28791
%  forw unit-subs:    10698
%  forw double-subs: 17712
%  forw overdouble-subs: 725
%  backward subs:     26
%  fast unit cutoff:  1624
%  full unit cutoff:  0
%  dbl  unit cutoff:  79
%  real runtime  :  28.21
%  process. runtime:  28.19
% specific non-discr-tree subsumption statistics: 
%  tried:           1190409
%  length fails:    250883
%  strength fails:  120815
%  predlist fails:  45623
%  aux str. fails:  260450
%  by-lit fails:    50065
%  full subs tried: 461625
%  full subs fail:  460715
% 
% ; program args: ("/home/graph/tptp/Systems/Gandalf---c-2.6/gandalf" "-time" "600" "/home/graph/tptp/TSTP/PreparedTPTP/otter:hypothesis:set(auto),clear(print_given)---add_equality:r/SWC/SWC037-1+eq_r.in")
% 
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