TSTP Solution File: PLA004-1 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : PLA004-1 : TPTP v3.4.2. Released v1.1.0.
% Transfm  : add_equality:r
% Format   : otter:hypothesis:set(auto),clear(print_given)
% Command  : gandalf-wrapper -time %d %s

% Computer : art10.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 90.0s
% Output   : Assurance 90.0s
% 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/PLA/PLA004-1+noeq.in
% Using automatic strategy selection.
% Time limit in seconds: 600
% 
% prove-all-passes started
% 
% detected problem class: hne
% detected subclass: medium
% detected subclass: long
% 
% strategies selected: 
% (hyper 57 #f 3 7)
% (binary-unit 28 #f 3 7)
% (binary-double 28 #f)
% (binary-posweight-order 28 #f 3 7)
% (binary 28 #t 3 7)
% (hyper 28 #t)
% (hyper 159 #f)
% (binary-posweight-order 85 #f)
% (binary-weightorder 39 #f)
% (binary-order 28 #f)
% (binary-unit 45 #f)
% (binary 47 #t)
% 
% 
% ********* EMPTY CLAUSE DERIVED *********
% 
% 
% timer checkpoints: c(31,40,0,62,0,0,1013,50,5,1044,0,5,66326,4,4206,66848,5,5607,66849,1,5607,66849,50,5612,66849,40,5612,66880,0,5612,67905,50,5628,67936,0,5628,91596,3,6979,92123,4,7656,93323,5,8329,93324,1,8329,93324,50,8331,93324,40,8331,93355,0,8331)
% 
% 
% START OF PROOF
% 93325 [] holds(and(X,Y),Z) | -holds(X,Z) | -holds(Y,Z).
% 93326 [] holds(holding(X),do(pickup(X),Y)) | -holds(clear(X),Y) | -differ(X,table) | -holds(empty,Y).
% 93328 [] holds(on(X,Y),do(pickup(Z),U)) | -holds(on(X,Y),U) | -differ(X,Z).
% 93329 [] holds(clear(X),do(pickup(Y),Z)) | -holds(clear(X),Z) | -differ(X,Y).
% 93330 [] holds(empty,do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93331 [] holds(on(X,Y),do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93332 [] holds(clear(X),do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93333 [] holds(on(X,Y),do(putdown(Z,U),V)) | -holds(on(X,Y),V).
% 93334 [] holds(clear(X),do(putdown(Y,Z),U)) | -holds(clear(X),U) | -differ(X,Z).
% 93335 [] -differ(X,Y) | differ(Y,X).
% 93336 [] differ(a,b).
% 93337 [] differ(a,c).
% 93340 [] differ(b,c).
% 93342 [] differ(b,table).
% 93344 [] differ(c,table).
% 93350 [] holds(clear(a),s0).
% 93351 [] holds(clear(b),s0).
% 93352 [] holds(clear(c),s0).
% 93353 [] holds(empty,s0).
% 93355 [] -holds(and(on(c,b),on(b,a)),X).
% 93358 [binary:93355,93325] -holds(on(c,b),X) | -holds(on(b,a),X).
% 93372 [binary:93344,93326.3] holds(holding(c),do(pickup(c),X)) | -holds(clear(c),X) | -holds(empty,X).
% 93377 [binary:93351,93326.2,cut:93342,cut:93353] holds(holding(b),do(pickup(b),s0)).
% 93397 [binary:93337,93335] differ(c,a).
% 93400 [binary:93340,93335] differ(c,b).
% 93412 [binary:93340,93328.3] holds(on(b,X),do(pickup(c),Y)) | -holds(on(b,X),Y).
% 93440 [binary:93336,93329.3] holds(clear(a),do(pickup(b),X)) | -holds(clear(a),X).
% 93444 [binary:93340,93329.3] holds(clear(b),do(pickup(c),X)) | -holds(clear(b),X).
% 93452 [binary:93352,93329.2] holds(clear(c),do(pickup(X),s0)) | -differ(c,X).
% 93472 [binary:93330.2,93377] holds(empty,do(putdown(b,X),do(pickup(b),s0))) | -holds(clear(X),do(pickup(b),s0)).
% 93481 [binary:93377,93331.2] holds(on(b,X),do(putdown(b,X),do(pickup(b),s0))) | -holds(clear(X),do(pickup(b),s0)).
% 93531 [binary:93377,93332.2] holds(clear(b),do(putdown(b,X),do(pickup(b),s0))) | -holds(clear(X),do(pickup(b),s0)).
% 93576 [binary:93358.2,93333] -holds(on(c,b),do(putdown(X,Y),Z)) | -holds(on(b,a),Z).
% 93622 [binary:93397,93334.3] holds(clear(c),do(putdown(X,a),Y)) | -holds(clear(c),Y).
% 94641 [binary:93331,93576] -holds(on(b,a),X) | -holds(holding(c),X) | -holds(clear(b),X).
% 97272 [binary:94641,93412] -holds(holding(c),do(pickup(c),X)) | -holds(clear(b),do(pickup(c),X)) | -holds(on(b,a),X).
% 99232 [binary:93350,93440.2] holds(clear(a),do(pickup(b),s0)).
% 100845 [binary:93400,93452.2] holds(clear(c),do(pickup(b),s0)).
% 106960 [binary:93440,93472.2,cut:93350] holds(empty,do(putdown(b,a),do(pickup(b),s0))).
% 116694 [binary:93444.2,93531] holds(clear(b),do(pickup(c),do(putdown(b,X),do(pickup(b),s0)))) | -holds(clear(X),do(pickup(b),s0)).
% 143717 [binary:100845,93622.2] holds(clear(c),do(putdown(X,a),do(pickup(b),s0))).
% 163305 [binary:93372.3,106960,cut:143717] holds(holding(c),do(pickup(c),do(putdown(b,a),do(pickup(b),s0)))).
% 230117 [binary:93481,97272.3,cut:163305,cut:99232,binarydemod:93440,116694,cut:93350] contradiction
% END OF PROOF
% 
% Proof found by the following strategy:
% 
% using binary resolution
% not using sos 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: 28
% 
% 
% old unit clauses discarded
% 
% ***GANDALF_FOUND_A_REFUTATION***
% 
% Global statistics over all passes: 
% 
%  given clauses:    15027
%  derived clauses:   1186413
%  kept clauses:      164219
%  kept size sum:     0
%  kept mid-nuclei:   5890
%  kept new demods:   0
%  forw unit-subs:    80666
%  forw double-subs: 2552
%  forw overdouble-subs: 515
%  backward subs:     9
%  fast unit cutoff:  1195
%  full unit cutoff:  0
%  dbl  unit cutoff:  100
%  real runtime  :  95.43
%  process. runtime:  95.38
% specific non-discr-tree subsumption statistics: 
%  tried:           10400
%  length fails:    144
%  strength fails:  729
%  predlist fails:  608
%  aux str. fails:  34
%  by-lit fails:    0
%  full subs tried: 8884
%  full subs fail:  8369
% 
% ; 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/PLA/PLA004-1+noeq.in")
% 
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