TSTP Solution File: SWC167-1 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : SWC167-1 : 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 : art08.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 89.6s
% Output   : Assurance 89.6s
% Verified : 
% SZS Type : None (Parsing solution fails)
% Syntax   : Number of formulae    : 0

% Comments : 
%------------------------------------------------------------------------------
%----NO SOLUTION OUTPUT BY SYSTEM
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%----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/SWC167-1+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(203,40,1,417,0,2,52214,4,2182,54158,5,2805,54158,1,2805,54158,50,2808,54158,40,2808,54372,0,2808,141402,3,4224,182223,4,4909,200763,5,5609,200765,1,5611,200765,50,5615,200765,40,5615,200979,0,5615,247039,3,6166,260698,4,6443,271348,5,6716,271349,5,6717,271350,1,6717,271350,50,6719,271350,40,6719,271564,0,6720,330325,3,7572,345561,4,7996,363140,62,8421,363141,5,8422,363142,1,8422,363142,50,8424,363142,40,8424,363356,0,8424,437431,3,9276,462903,4,9717)
% 
% 
% START OF PROOF
% 363151 [] ss^list(nil).
% 363228 [] ss^list(app(X,Y)) | -ss^list(X) | -ss^list(Y).
% 363229 [] ss^list(cons(X,Y)) | -ss^item(X) | -ss^list(Y).
% 363245 [] neq(X,Y) | equal(X,Y) | -ss^item(Y) | -ss^item(X).
% 363254 [] -lt(X,Y) | -equal(X,Y) | -ss^item(Y) | -ss^item(X).
% 363263 [] equal(app(cons(X,nil),Y),cons(X,Y)) | -ss^item(X) | -ss^list(Y).
% 363292 [] equal(app(app(X,Y),Z),app(X,app(Y,Z))) | -ss^list(X) | -ss^list(Z) | -ss^list(Y).
% 363324 [] -equal(app(app(X,cons(Y,Z)),cons(U,V)),W) | lt(Y,U) | -ss^item(U) | -ss^item(Y) | -ss^list(W) | -ss^list(Z) | -ss^list(X) | -ss^list(V) | -strictordered^p(W).
% 363330 [] -neq(sk6,sk7).
% 363331 [] equal(app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9),sk1).
% 363332 [] ss^list(sk9).
% 363333 [] ss^list(sk8).
% 363334 [] ss^item(sk7).
% 363335 [] ss^item(sk6).
% 363337 [] strictordered^p(sk3).
% 363340 [] equal(sk1,sk3).
% 363345 [] ss^list(sk1).
% 363408 [binary:363263.3,363332] equal(app(cons(X,nil),sk9),cons(X,sk9)) | -ss^item(X).
% 363449 [binary:363292.3,363332] equal(app(app(X,Y),sk9),app(X,app(Y,sk9))) | -ss^list(Y) | -ss^list(X).
% 363550 [binary:363228.2,363333] ss^list(app(sk8,X)) | -ss^list(X).
% 363716 [binary:363229.2,363334] ss^list(cons(sk7,X)) | -ss^list(X).
% 363816 [binary:363229.2,363335] ss^list(cons(sk6,X)) | -ss^list(X).
% 364762 [binary:363245,363330,cut:363334,cut:363335] equal(sk6,sk7).
% 364767 [para:363340.1.2,363337.1.1] strictordered^p(sk1).
% 366361 [binary:363254.2,364762,cut:363334,cut:363335] -lt(sk6,sk7).
% 385044 [binary:363334,363408.2] equal(app(cons(sk7,nil),sk9),cons(sk7,sk9)).
% 400060 [para:363449.1.1,363331.1.1,demod:385044,binarydemod:363716,363816,363550,cut:363151] equal(app(app(sk8,cons(sk6,nil)),cons(sk7,sk9)),sk1).
% 465876 [binary:400060,363324,cut:366361,cut:363334,cut:363335,cut:363345,cut:363151,cut:363333,cut:363332,cut:364767] contradiction
% END OF PROOF
% 
% Proof found by the following strategy:
% 
% using binary resolution
% using sos strategy
% using unit paramodulation strategy
% using unit strategy
% using double strategy
% using dynamic demodulation
% using ordered paramodulation
% using kb ordering for equality
% preferring bigger arities for lex ordering
% using clause demodulation
% seconds given: 17
% 
% 
% old unit clauses discarded
% 
% ***GANDALF_FOUND_A_REFUTATION***
% 
% Global statistics over all passes: 
% 
%  given clauses:    5030
%  derived clauses:   665048
%  kept clauses:      308911
%  kept size sum:     0
%  kept mid-nuclei:   63520
%  kept new demods:   34658
%  forw unit-subs:    64161
%  forw double-subs: 18745
%  forw overdouble-subs: 13139
%  backward subs:     74
%  fast unit cutoff:  53471
%  full unit cutoff:  0
%  dbl  unit cutoff:  1476
%  real runtime  :  98.5
%  process. runtime:  97.54
% specific non-discr-tree subsumption statistics: 
%  tried:           4340208
%  length fails:    12740
%  strength fails:  564938
%  predlist fails:  2979094
%  aux str. fails:  119742
%  by-lit fails:    80494
%  full subs tried: 507674
%  full subs fail:  493445
% 
% ; 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/SWC167-1+eq_r.in")
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