TSTP Solution File: LAT249-1 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : LAT249-1 : TPTP v3.4.2. Released v3.1.0.
% Transfm  : add_equality:r
% Format   : otter:hypothesis:set(auto),clear(print_given)
% Command  : gandalf-wrapper -time %d %s

% Computer : art09.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 19.6s
% Output   : Assurance 19.6s
% 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/LAT249-1+eq_r.in
% Using automatic strategy selection.
% Time limit in seconds: 600
% 
% prove-all-passes started
% 
% detected problem class: peq
% 
% strategies selected: 
% (hyper 30 #f 8 5)
% (binary-unit 12 #f)
% (binary-unit-uniteq 12 #f)
% (binary-posweight-kb-big-order 60 #f 8 5)
% (binary-posweight-lex-big-order 30 #f 8 5)
% (binary 30 #t)
% (binary-posweight-kb-big-order 156 #f)
% (binary-posweight-lex-big-order 102 #f)
% (binary-posweight-firstpref-order 60 #f)
% (binary-order 30 #f)
% (binary-posweight-kb-small-order 48 #f)
% (binary-posweight-lex-small-order 30 #f)
% 
% 
% ********* EMPTY CLAUSE DERIVED *********
% 
% ********* EMPTY CLAUSE DERIVED *********
% 
% ********* EMPTY CLAUSE DERIVED *********
% 
% 
% timer checkpoints: c(15,40,1,30,0,1,47784,4,2256)
% 
% 
% START OF PROOF
% 16 [] equal(X,X).
% 19 [] equal(meet(X,join(X,Y)),X).
% 20 [] equal(join(X,meet(X,Y)),X).
% 21 [] equal(meet(X,Y),meet(Y,X)).
% 22 [] equal(join(X,Y),join(Y,X)).
% 23 [] equal(meet(meet(X,Y),Z),meet(X,meet(Y,Z))).
% 24 [] equal(join(join(X,Y),Z),join(X,join(Y,Z))).
% 25 [] equal(join(X,complement(X)),one).
% 26 [] equal(meet(X,complement(X)),zero).
% 27 [] -equal(join(X,Y),one) | -equal(meet(X,Y),zero) | equal(complement(X),Y).
% 28 [] equal(meet(X,join(Y,Z)),meet(X,join(Y,meet(X,join(Z,meet(X,join(Y,meet(X,Z)))))))).
% 29 [] equal(meet(b,a),a).
% 30 [] -equal(join(complement(b),complement(a)),complement(a)).
% 34 [para:25.1.1,19.1.1.2] equal(meet(X,one),X).
% 38 [para:26.1.1,20.1.1.2] equal(join(X,zero),X).
% 40 [para:21.1.1,26.1.1] equal(meet(complement(X),X),zero).
% 41 [para:21.1.1,19.1.1] equal(meet(join(X,Y),X),X).
% 42 [para:21.1.1,34.1.1] equal(meet(one,X),X).
% 45 [para:42.1.1,19.1.1] equal(join(one,X),one).
% 47 [para:22.1.1,25.1.1] equal(join(complement(X),X),one).
% 48 [para:22.1.1,19.1.1.2] equal(meet(X,join(Y,X)),X).
% 51 [para:22.1.1,38.1.1] equal(join(zero,X),X).
% 54 [para:51.1.1,19.1.1.2] equal(meet(zero,X),zero).
% 66 [para:23.1.1,21.1.1] equal(meet(X,meet(Y,Z)),meet(Z,meet(X,Y))).
% 70 [hyper:27,40,demod:47,cut:16] equal(complement(complement(X)),X).
% 71 [para:40.1.1,23.1.1.1,demod:54] equal(zero,meet(complement(X),meet(X,Y))).
% 75 [para:41.1.1,23.1.1.1] equal(meet(X,Y),meet(join(X,Z),meet(X,Y))).
% 78 [para:25.1.1,24.1.1.1,demod:45] equal(one,join(X,join(complement(X),Y))).
% 98 [para:24.1.1,48.1.1.2] equal(meet(X,join(Y,join(Z,X))),X).
% 129 [para:26.1.1,28.1.2.2.2.2.2.2.2,demod:38] equal(meet(X,join(Y,complement(X))),meet(X,join(Y,meet(X,join(complement(X),meet(X,Y)))))).
% 175 [para:29.1.1,71.1.2.2] equal(zero,meet(complement(b),a)).
% 177 [para:41.1.1,71.1.2.2] equal(zero,meet(complement(join(X,Y)),X)).
% 183 [para:175.1.2,21.1.1] equal(zero,meet(a,complement(b))).
% 188 [para:22.1.1,78.1.2.2] equal(one,join(X,join(Y,complement(X)))).
% 226 [para:177.1.2,21.1.1] equal(zero,meet(X,complement(join(X,Y)))).
% 432 [para:75.1.2,20.1.1.2,demod:24] equal(join(X,join(Y,meet(X,Z))),join(X,Y)).
% 454 [para:98.1.1,66.1.1.2] equal(meet(X,Y),meet(join(Z,join(U,Y)),meet(X,Y))).
% 1344 [para:183.1.2,129.1.2.2.2.2.2,demod:183,26,38] equal(meet(a,join(complement(b),complement(a))),zero).
% 1351 [para:226.1.2,129.1.2.2.2.2.2,demod:226,26,38] equal(meet(X,join(complement(join(X,Y)),complement(X))),zero).
% 1403 [hyper:27,1344,demod:188,cut:16] equal(complement(a),join(complement(b),complement(a))).
% 5295 [hyper:27,1351,demod:188,cut:16] equal(complement(X),join(complement(join(X,Y)),complement(X))).
% 5323 [para:5295.1.2,19.1.1.2] equal(meet(complement(join(X,Y)),complement(X)),complement(join(X,Y))).
% 5326 [para:70.1.1,5295.1.2.2,demod:70] equal(X,join(complement(join(complement(X),Y)),X)).
% 5375 [para:22.1.1,5326.1.2.1.1] equal(X,join(complement(join(Y,complement(X))),X)).
% 5587 [para:5375.1.2,432.1.1.2,demod:20] equal(X,join(X,complement(join(Y,complement(meet(X,Z)))))).
% 6840 [para:5587.1.2,22.1.1] equal(X,join(complement(join(Y,complement(meet(X,Z)))),X)).
% 11363 [para:6840.1.2,5323.1.1.1.1,demod:6840,70] equal(meet(complement(X),join(Y,complement(meet(X,Z)))),complement(X)).
% 46943 [para:11363.1.1,454.1.2.2,demod:11363] equal(complement(X),meet(join(Y,join(Z,join(U,complement(meet(X,V))))),complement(X))).
% 47785 [para:46943.1.1,30.1.2,demod:46943,1403,cut:16] contradiction
% END OF PROOF
% 
% Proof found by the following strategy:
% 
% using binary resolution
% not using sos strategy
% using dynamic demodulation
% using ordered paramodulation
% using kb ordering for equality
% preferring bigger arities for lex ordering
% clause length limited to 5
% clause depth limited to 8
% seconds given: 30
% 
% 
% old unit clauses discarded
% 
% ***GANDALF_FOUND_A_REFUTATION***
% 
% Global statistics over all passes: 
% 
%  given clauses:    1095
%  derived clauses:   802756
%  kept clauses:      46717
%  kept size sum:     0
%  kept mid-nuclei:   265
%  kept new demods:   45878
%  forw unit-subs:    728238
%  forw double-subs: 0
%  forw overdouble-subs: 0
%  backward subs:     0
%  fast unit cutoff:  8
%  full unit cutoff:  0
%  dbl  unit cutoff:  0
%  real runtime  :  23.29
%  process. runtime:  22.89
% 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/LAT249-1+eq_r.in")
% 
%------------------------------------------------------------------------------