TSTP Solution File: LAT083-1 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : LAT083-1 : TPTP v3.4.2. Released v2.6.0.
% 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 0.0s
% Output   : Assurance 0.0s
% 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/LAT/LAT083-1+eq_r.in
% Using automatic strategy selection.
% Time limit in seconds: 600
% 
% prove-all-passes started
% 
% detected problem class: ueq
% 
% strategies selected: 
% (binary-posweight-kb-big-order 60 #f 12 1)
% (binary-posweight-lex-big-order 30 #f 12 1)
% (binary 30 #t)
% (binary-posweight-kb-big-order 180 #f)
% (binary-posweight-lex-big-order 120 #f)
% (binary-posweight-firstpref-order 60 #f)
% (binary-posweight-kb-small-order 60 #f)
% (binary-posweight-lex-small-order 60 #f)
% 
% 
% **** EMPTY CLAUSE DERIVED ****
% 
% 
% timer checkpoints: c(3,40,0,6,0,0,7,50,5,10,0,5,11,50,10,14,0,10)
% 
% 
% START OF PROOF
% 13 [] equal(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Z),meet(join(meet(X,join(join(meet(U,Y),meet(Y,V)),Y)),meet(join(meet(Y,meet(meet(join(U,join(Y,V)),join(W,Y)),Y)),meet(X1,join(Y,meet(meet(join(U,join(Y,V)),join(W,Y)),Y)))),join(X,join(join(meet(U,Y),meet(Y,V)),Y)))),join(join(meet(X,Y),meet(Y,join(X,Y))),Z))),Y).
% 14 [] -equal(join(a,a),a).
% 15 [para:13.1.1,13.1.1.2.1.2.1] equal(join(meet(join(meet(X,join(meet(Y,Z),meet(Z,join(Y,Z)))),meet(join(meet(Y,Z),meet(Z,join(Y,Z))),join(X,join(meet(Y,Z),meet(Z,join(Y,Z)))))),U),meet(join(meet(X,join(join(meet(V,join(meet(Y,Z),meet(Z,join(Y,Z)))),meet(join(meet(Y,Z),meet(Z,join(Y,Z))),W)),join(meet(Y,Z),meet(Z,join(Y,Z))))),meet(Z,join(X,join(join(meet(V,join(meet(Y,Z),meet(Z,join(Y,Z)))),meet(join(meet(Y,Z),meet(Z,join(Y,Z))),W)),join(meet(Y,Z),meet(Z,join(Y,Z))))))),join(join(meet(X,join(meet(Y,Z),meet(Z,join(Y,Z)))),meet(join(meet(Y,Z),meet(Z,join(Y,Z))),join(X,join(meet(Y,Z),meet(Z,join(Y,Z)))))),U))),join(meet(Y,Z),meet(Z,join(Y,Z)))).
% 16 [para:13.1.1,15.1.1.1.1.1.2,demod:13] equal(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Z),meet(join(meet(X,join(join(meet(U,Y),meet(Y,V)),Y)),meet(join(meet(W,join(join(meet(X1,Y),meet(Y,X2)),Y)),meet(join(meet(Y,meet(meet(join(X1,join(Y,X2)),join(X3,Y)),Y)),meet(X4,join(Y,meet(meet(join(X1,join(Y,X2)),join(X3,Y)),Y)))),join(W,join(join(meet(X1,Y),meet(Y,X2)),Y)))),join(X,join(join(meet(U,Y),meet(Y,V)),Y)))),join(join(meet(X,Y),meet(Y,join(X,Y))),Z))),Y).
% 18 [para:13.1.1,16.1.1.2.1] equal(join(meet(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Y),meet(Y,join(join(meet(X,Y),meet(Y,join(X,Y))),Y))),Z),meet(Y,join(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Y),meet(Y,join(join(meet(X,Y),meet(Y,join(X,Y))),Y))),Z))),Y).
% 19 [para:18.1.1,13.1.1.1.1,demod:18] equal(join(meet(X,Y),meet(join(meet(join(meet(join(meet(Z,X),meet(X,join(Z,X))),X),meet(X,join(join(meet(Z,X),meet(X,join(Z,X))),X))),join(join(meet(U,X),meet(X,V)),X)),meet(join(meet(X,meet(meet(join(U,join(X,V)),join(W,X)),X)),meet(X1,join(X,meet(meet(join(U,join(X,V)),join(W,X)),X)))),join(join(meet(join(meet(Z,X),meet(X,join(Z,X))),X),meet(X,join(join(meet(Z,X),meet(X,join(Z,X))),X))),join(join(meet(U,X),meet(X,V)),X)))),join(X,Y))),X).
% 20 [para:18.1.1,15.1.1.1.1.1.2,demod:18] equal(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Z),meet(join(meet(X,join(join(meet(U,Y),meet(Y,V)),Y)),meet(Y,join(X,join(join(meet(U,Y),meet(Y,V)),Y)))),join(join(meet(X,Y),meet(Y,join(X,Y))),Z))),Y).
% 21 [para:18.1.1,15.1.1.2.1] equal(join(meet(join(meet(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Y),meet(Y,join(join(meet(X,Y),meet(Y,join(X,Y))),Y))),join(meet(Z,Y),meet(Y,join(Z,Y)))),meet(join(meet(Z,Y),meet(Y,join(Z,Y))),join(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Y),meet(Y,join(join(meet(X,Y),meet(Y,join(X,Y))),Y))),join(meet(Z,Y),meet(Y,join(Z,Y)))))),U),meet(Y,join(join(meet(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Y),meet(Y,join(join(meet(X,Y),meet(Y,join(X,Y))),Y))),join(meet(Z,Y),meet(Y,join(Z,Y)))),meet(join(meet(Z,Y),meet(Y,join(Z,Y))),join(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Y),meet(Y,join(join(meet(X,Y),meet(Y,join(X,Y))),Y))),join(meet(Z,Y),meet(Y,join(Z,Y)))))),U))),join(meet(Z,Y),meet(Y,join(Z,Y)))).
% 25 [para:18.1.1,16.1.1.2.1.2.1] equal(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Z),meet(join(meet(X,join(join(meet(U,Y),meet(Y,V)),Y)),meet(join(meet(Y,meet(meet(join(W,join(Y,X1)),join(X2,Y)),Y)),meet(X3,join(Y,meet(meet(join(W,join(Y,X1)),join(X2,Y)),Y)))),join(X,join(join(meet(U,Y),meet(Y,V)),Y)))),join(join(meet(X,Y),meet(Y,join(X,Y))),Z))),Y).
% 29 [para:18.1.1,18.1.1.1.1,demod:18] equal(join(meet(X,Y),meet(X,join(X,Y))),X).
% 32 [para:29.1.1,13.1.1.2.1] equal(join(meet(join(meet(join(meet(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)),meet(V,join(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)))),X),meet(X,join(join(meet(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)),meet(V,join(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)))),X))),W),meet(join(meet(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)),meet(V,join(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)))),join(join(meet(join(meet(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)),meet(V,join(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)))),X),meet(X,join(join(meet(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)),meet(V,join(X,meet(meet(join(Y,join(X,Z)),join(U,X)),X)))),X))),W))),X).
% 61 [para:13.1.1,20.1.1.1.1,demod:29,25] equal(X,join(meet(Y,join(join(meet(Z,X),meet(X,U)),X)),meet(join(meet(X,meet(meet(join(Z,join(X,U)),join(V,X)),X)),meet(W,join(X,meet(meet(join(Z,join(X,U)),join(V,X)),X)))),join(Y,join(join(meet(Z,X),meet(X,U)),X))))).
% 67 [para:15.1.1,20.1.1.1.1,demod:29,15] equal(join(meet(X,Y),meet(Y,join(X,Y))),join(meet(Z,join(join(meet(U,join(meet(X,Y),meet(Y,join(X,Y)))),meet(join(meet(X,Y),meet(Y,join(X,Y))),V)),join(meet(X,Y),meet(Y,join(X,Y))))),meet(Y,join(Z,join(join(meet(U,join(meet(X,Y),meet(Y,join(X,Y)))),meet(join(meet(X,Y),meet(Y,join(X,Y))),V)),join(meet(X,Y),meet(Y,join(X,Y)))))))).
% 68 [para:20.1.1,16.1.1.1.1,demod:29,20,61] equal(X,join(meet(Y,join(join(meet(Z,X),meet(X,U)),X)),meet(X,join(Y,join(join(meet(Z,X),meet(X,U)),X))))).
% 70 [para:20.1.1,16.1.1.2.1.2.1.2.1,demod:68,67] equal(join(meet(join(meet(X,join(meet(Y,Z),meet(Z,join(Y,Z)))),meet(join(meet(Y,Z),meet(Z,join(Y,Z))),join(X,join(meet(Y,Z),meet(Z,join(Y,Z)))))),U),meet(join(meet(Y,Z),meet(Z,join(Y,Z))),join(join(meet(X,join(meet(Y,Z),meet(Z,join(Y,Z)))),meet(join(meet(Y,Z),meet(Z,join(Y,Z))),join(X,join(meet(Y,Z),meet(Z,join(Y,Z)))))),U))),join(meet(Y,Z),meet(Z,join(Y,Z)))).
% 92 [para:19.1.1,13.1.1.2.1.2.1,demod:68] equal(join(meet(join(meet(X,Y),meet(Y,join(X,Y))),Z),meet(Y,join(join(meet(X,Y),meet(Y,join(X,Y))),Z))),Y).
% 93 [para:13.1.1,19.1.1.2.1.2.1,demod:92,70] equal(X,join(meet(Y,X),meet(X,join(Y,X)))).
% 98 [para:19.1.1,16.1.1.2.1.1.2.1,demod:61,93] equal(join(meet(X,Y),meet(join(meet(Z,join(X,X)),meet(X,join(Z,join(X,X)))),join(X,Y))),X).
% 155 [para:98.1.1,93.1.2] equal(join(meet(X,join(Y,Y)),meet(Y,join(X,join(Y,Y)))),Y).
% 176 [para:21.1.1,13.1.1.2.1,demod:93] equal(join(meet(X,Y),meet(join(meet(X,meet(meet(join(Z,join(X,U)),join(V,X)),X)),meet(W,join(X,meet(meet(join(Z,join(X,U)),join(V,X)),X)))),join(X,Y))),X).
% 301 [para:93.1.2,176.1.1.2.1] equal(join(meet(X,Y),meet(meet(meet(join(Z,join(X,U)),join(V,X)),X),join(X,Y))),X).
% 337 [para:301.1.1,93.1.2] equal(meet(meet(join(X,join(Y,Z)),join(U,Y)),Y),Y).
% 1222 [para:32.1.1,93.1.2,demod:337] equal(join(meet(X,X),meet(Y,join(X,X))),X).
% 1260 [para:1222.1.1,155.1.1,slowcut:14] contradiction
% END OF PROOF
% 
% Proof found by the following strategy:
% 
% using binary resolution
% using first neg lit preferred strategy
% not using sos 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 1
% clause depth limited to 14
% seconds given: 60
% 
% 
% ***GANDALF_FOUND_A_REFUTATION***
% 
% Global statistics over all passes: 
% 
%  given clauses:    81
%  derived clauses:   22387
%  kept clauses:      1246
%  kept size sum:     101119
%  kept mid-nuclei:   0
%  kept new demods:   1249
%  forw unit-subs:    19249
%  forw double-subs: 0
%  forw overdouble-subs: 0
%  backward subs:     1
%  fast unit cutoff:  0
%  full unit cutoff:  0
%  dbl  unit cutoff:  0
%  real runtime  :  2.40
%  process. runtime:  2.40
% specific non-discr-tree subsumption statistics: 
%  tried:           0
%  length fails:    0
%  strength fails:  0
%  predlist fails:  0
%  aux str. fails:  0
%  by-lit fails:    0
%  full subs tried: 0
%  full subs fail:  0
% 
% ; 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/LAT/LAT083-1+eq_r.in")
% 
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