TSTP Solution File: FLD067-2 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : FLD067-2 : TPTP v3.4.2. Bugfixed v2.1.0.
% Transfm  : add_equality:r
% Format   : otter:hypothesis:set(auto),clear(print_given)
% Command  : gandalf-wrapper -time %d %s

% Computer : art05.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/FLD/FLD067-2+noeq.in
% Using automatic strategy selection.
% Time limit in seconds: 600
% 
% prove-all-passes started
% 
% detected problem class: nne
% detected subclass: medium
% 
% strategies selected: 
% (hyper 27 #f 3 7)
% (binary-unit 10 #f 3 7)
% (binary-double 16 #f 3 7)
% (binary 54 #t 3 7)
% (binary-order 27 #f 3 7)
% (binary-posweight-order 125 #f)
% (binary-order-sos 54 #t)
% (binary-unit-uniteq 27 #f)
% (binary-weightorder 54 #f)
% (binary-order 54 #f)
% (hyper-order 43 #f)
% (binary 109 #t)
% 
% 
% ********* EMPTY CLAUSE DERIVED *********
% 
% 
% timer checkpoints: c(33,40,0,66,0,0,699953,4,2026,699977,50,2056,699977,40,2056,700010,0,2056,747172,3,2557,752742,4,2807)
% 
% 
% START OF PROOF
% 699980 [] equalish(add(X,additive_inverse(X)),additive_identity) | -defined(X).
% 699988 [] defined(additive_identity).
% 699989 [] defined(additive_inverse(X)) | -defined(X).
% 699993 [] -less_or_equal(Y,X) | -less_or_equal(X,Y) | equalish(Y,X).
% 699995 [] less_or_equal(X,Y) | less_or_equal(Y,X) | -defined(X) | -defined(Y).
% 699996 [] less_or_equal(add(X,Y),add(Z,Y)) | -less_or_equal(X,Z) | -defined(Y).
% 699999 [] -equalish(X,Y) | equalish(Y,X).
% 700000 [] -equalish(Z,X) | -equalish(X,Y) | equalish(Z,Y).
% 700003 [] -less_or_equal(X,Y) | -equalish(X,Z) | less_or_equal(Z,Y).
% 700005 [] defined(a).
% 700007 [] defined(u).
% 700008 [] less_or_equal(a,b).
% 700009 [] equalish(add(b,additive_inverse(a)),u).
% 700010 [] -less_or_equal(additive_identity,u).
% 700028 [input:699995,factor] less_or_equal(X,X) | -defined(X).
% 700040 [binary:700005,699989.2] defined(additive_inverse(a)).
% 700105 [binary:700005,699980.2] equalish(add(a,additive_inverse(a)),additive_identity).
% 700113 [binary:700007,700028.2] less_or_equal(u,u).
% 700218 [binary:700009,699999] equalish(u,add(b,additive_inverse(a))).
% 700405 [binary:700010,699995,cut:699988,cut:700007] less_or_equal(u,additive_identity).
% 700443 [binary:700008,699996.2] less_or_equal(add(a,X),add(b,X)) | -defined(X).
% 700868 [binary:700010,700003.3] -less_or_equal(X,u) | -equalish(X,additive_identity).
% 700899 [binary:700405,700003] -equalish(u,X) | less_or_equal(X,additive_identity).
% 703621 [binary:700003.2,700105] -less_or_equal(add(a,additive_inverse(a)),X) | less_or_equal(additive_identity,X).
% 703704 [binary:700113,700868] -equalish(u,additive_identity).
% 703713 [binary:699999.2,703704] -equalish(additive_identity,u).
% 703759 [binary:700000.3,703713] -equalish(X,u) | -equalish(additive_identity,X).
% 704541 [binary:700009,703759] -equalish(additive_identity,add(b,additive_inverse(a))).
% 704546 [binary:700899,700218] less_or_equal(add(b,additive_inverse(a)),additive_identity).
% 746874 [binary:700040,700443.2] less_or_equal(add(a,additive_inverse(a)),add(b,additive_inverse(a))).
% 751303 [binary:699993.3,704541,cut:704546] -less_or_equal(additive_identity,add(b,additive_inverse(a))).
% 764471 [binary:746874,703621,cut:751303] contradiction
% END OF PROOF
% 
% Proof found by the following strategy:
% 
% using binary resolution
% not using sos strategy
% using unit paramodulation 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 7
% clause depth limited to 3
% seconds given: 10
% 
% 
% ***GANDALF_FOUND_A_REFUTATION***
% 
% Global statistics over all passes: 
% 
%  given clauses:    2862
%  derived clauses:   1524419
%  kept clauses:      129520
%  kept size sum:     798720
%  kept mid-nuclei:   18278
%  kept new demods:   0
%  forw unit-subs:    38469
%  forw double-subs: 145849
%  forw overdouble-subs: 9372
%  backward subs:     12
%  fast unit cutoff:  115
%  full unit cutoff:  0
%  dbl  unit cutoff:  24
%  real runtime  :  28.62
%  process. runtime:  28.61
% specific non-discr-tree subsumption statistics: 
%  tried:           54499
%  length fails:    0
%  strength fails:  201
%  predlist fails:  36838
%  aux str. fails:  0
%  by-lit fails:    0
%  full subs tried: 6767
%  full subs fail:  5362
% 
% ; 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/FLD/FLD067-2+noeq.in")
% 
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