TSTP Solution File: PLA011-2 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : PLA011-2 : 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 : art02.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 89.5s
% Output   : Assurance 89.5s
% 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/PLA011-2+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(31,40,0,62,0,0,1013,50,5,1044,0,5,66326,4,4206,66866,5,5608,66866,1,5608,66866,50,5613,66866,40,5613,66897,0,5613,67922,50,5629,67953,0,5629,91502,3,6980,92128,4,7655,93463,5,8330,93463,1,8330,93463,50,8332,93463,40,8332,93494,0,8332)
% 
% 
% START OF PROOF
% 93464 [] holds(and(X,Y),Z) | -holds(X,Z) | -holds(Y,Z).
% 93465 [] holds(holding(X),do(pickup(X),Y)) | -holds(clear(X),Y) | -differ(X,table) | -holds(empty,Y).
% 93466 [] holds(clear(X),do(pickup(Y),Z)) | -holds(on(Y,X),Z) | -holds(clear(Y),Z) | -holds(empty,Z).
% 93467 [] holds(on(X,Y),do(pickup(Z),U)) | -holds(on(X,Y),U) | -differ(X,Z).
% 93468 [] holds(clear(X),do(pickup(Y),Z)) | -holds(clear(X),Z) | -differ(X,Y).
% 93469 [] holds(empty,do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93470 [] holds(on(X,Y),do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93471 [] holds(clear(X),do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93472 [] holds(on(X,Y),do(putdown(Z,U),V)) | -holds(on(X,Y),V).
% 93473 [] holds(clear(X),do(putdown(Y,Z),U)) | -holds(clear(X),U) | -differ(X,Z).
% 93474 [] -differ(X,Y) | differ(Y,X).
% 93479 [] differ(b,c).
% 93480 [] differ(b,d).
% 93482 [] differ(c,d).
% 93483 [] differ(c,table).
% 93484 [] differ(d,table).
% 93487 [] holds(on(c,d),s0).
% 93490 [] holds(clear(b),s0).
% 93491 [] holds(clear(c),s0).
% 93492 [] holds(empty,s0).
% 93494 [] -holds(and(on(c,b),on(d,c)),X).
% 93497 [binary:93494,93464] -holds(on(c,b),X) | -holds(on(d,c),X).
% 93512 [binary:93484,93465.3] holds(holding(d),do(pickup(d),X)) | -holds(clear(d),X) | -holds(empty,X).
% 93517 [binary:93491,93465.2,cut:93483,cut:93492] holds(holding(c),do(pickup(c),s0)).
% 93533 [binary:93487,93466.2,cut:93491,cut:93492] holds(clear(d),do(pickup(c),s0)).
% 93540 [binary:93480,93474] differ(d,b).
% 93554 [binary:93482,93467.3] holds(on(c,X),do(pickup(d),Y)) | -holds(on(c,X),Y).
% 93583 [binary:93479,93468.3] holds(clear(b),do(pickup(c),X)) | -holds(clear(b),X).
% 93586 [binary:93482,93468.3] holds(clear(c),do(pickup(d),X)) | -holds(clear(c),X).
% 93623 [binary:93469.2,93517] holds(empty,do(putdown(c,X),do(pickup(c),s0))) | -holds(clear(X),do(pickup(c),s0)).
% 93624 [binary:93470.2,93517] holds(on(c,X),do(putdown(c,X),do(pickup(c),s0))) | -holds(clear(X),do(pickup(c),s0)).
% 93671 [binary:93517,93471.2] holds(clear(c),do(putdown(c,X),do(pickup(c),s0))) | -holds(clear(X),do(pickup(c),s0)).
% 93714 [binary:93497,93472] -holds(on(d,c),do(putdown(X,Y),Z)) | -holds(on(c,b),Z).
% 93764 [binary:93540,93473.3] holds(clear(d),do(putdown(X,b),Y)) | -holds(clear(d),Y).
% 94129 [binary:93470,93714] -holds(on(c,b),X) | -holds(holding(d),X) | -holds(clear(c),X).
% 97739 [binary:94129,93554] -holds(holding(d),do(pickup(d),X)) | -holds(clear(c),do(pickup(d),X)) | -holds(on(c,b),X).
% 99854 [binary:93490,93583.2] holds(clear(b),do(pickup(c),s0)).
% 108628 [binary:93583,93623.2,cut:93490] holds(empty,do(putdown(c,b),do(pickup(c),s0))).
% 116863 [binary:93586.2,93671] holds(clear(c),do(pickup(d),do(putdown(c,X),do(pickup(c),s0)))) | -holds(clear(X),do(pickup(c),s0)).
% 144699 [binary:93533,93764.2] holds(clear(d),do(putdown(X,b),do(pickup(c),s0))).
% 164443 [binary:93512.3,108628,cut:144699] holds(holding(d),do(pickup(d),do(putdown(c,b),do(pickup(c),s0)))).
% 230271 [binary:93624,97739.3,cut:164443,cut:99854,binarydemod:93583,116863,cut:93490] 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:    14943
%  derived clauses:   1181101
%  kept clauses:      163594
%  kept size sum:     0
%  kept mid-nuclei:   5900
%  kept new demods:   0
%  forw unit-subs:    80388
%  forw double-subs: 2579
%  forw overdouble-subs: 510
%  backward subs:     1
%  fast unit cutoff:  1196
%  full unit cutoff:  0
%  dbl  unit cutoff:  99
%  real runtime  :  95.83
%  process. runtime:  95.26
% specific non-discr-tree subsumption statistics: 
%  tried:           10339
%  length fails:    144
%  strength fails:  704
%  predlist fails:  613
%  aux str. fails:  34
%  by-lit fails:    0
%  full subs tried: 8843
%  full subs fail:  8333
% 
% ; 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/PLA011-2+noeq.in")
% 
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