TSTP Solution File: PLA005-2 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : PLA005-2 : 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 89.6s
% Output   : Assurance 89.6s
% 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/PLA/PLA005-2+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(31,40,1,62,0,1,1013,50,6,1044,0,6,66326,4,4207,66850,5,5609,66850,1,5609,66850,50,5614,66850,40,5614,66881,0,5614,67906,50,5630,67937,0,5630,91714,3,6981,92252,4,7656,93582,1,8331,93582,50,8333,93582,40,8333,93613,0,8333,251785,3,9735)
% 
% 
% START OF PROOF
% 93583 [] holds(and(X,Y),Z) | -holds(X,Z) | -holds(Y,Z).
% 93584 [] holds(holding(X),do(pickup(X),Y)) | -holds(clear(X),Y) | -differ(X,table) | -holds(empty,Y).
% 93585 [] holds(clear(X),do(pickup(Y),Z)) | -holds(on(Y,X),Z) | -holds(clear(Y),Z) | -holds(empty,Z).
% 93586 [] holds(on(X,Y),do(pickup(Z),U)) | -holds(on(X,Y),U) | -differ(X,Z).
% 93587 [] holds(clear(X),do(pickup(Y),Z)) | -holds(clear(X),Z) | -differ(X,Y).
% 93588 [] holds(empty,do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93589 [] holds(on(X,Y),do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93591 [] holds(on(X,Y),do(putdown(Z,U),V)) | -holds(on(X,Y),V).
% 93592 [] holds(clear(X),do(putdown(Y,Z),U)) | -holds(clear(X),U) | -differ(X,Z).
% 93593 [] -differ(X,Y) | differ(Y,X).
% 93594 [] differ(a,b).
% 93595 [] differ(a,c).
% 93596 [] differ(a,d).
% 93598 [] differ(b,c).
% 93599 [] differ(b,d).
% 93601 [] differ(c,d).
% 93602 [] differ(c,table).
% 93603 [] differ(d,table).
% 93606 [] holds(on(c,d),s0).
% 93608 [] holds(clear(a),s0).
% 93609 [] holds(clear(b),s0).
% 93610 [] holds(clear(c),s0).
% 93611 [] holds(empty,s0).
% 93613 [] -holds(and(on(d,b),on(c,a)),X).
% 93616 [binary:93613,93583] -holds(on(d,b),X) | -holds(on(c,a),X).
% 93631 [binary:93603,93584.3] holds(holding(d),do(pickup(d),X)) | -holds(clear(d),X) | -holds(empty,X).
% 93636 [binary:93610,93584.2,cut:93602,cut:93611] holds(holding(c),do(pickup(c),s0)).
% 93652 [binary:93606,93585.2,cut:93610,cut:93611] holds(clear(d),do(pickup(c),s0)).
% 93654 [binary:93594,93593] differ(b,a).
% 93656 [binary:93596,93593] differ(d,a).
% 93673 [binary:93601,93586.3] holds(on(c,X),do(pickup(d),Y)) | -holds(on(c,X),Y).
% 93699 [binary:93595,93587.3] holds(clear(a),do(pickup(c),X)) | -holds(clear(a),X).
% 93702 [binary:93598,93587.3] holds(clear(b),do(pickup(c),X)) | -holds(clear(b),X).
% 93703 [binary:93599,93587.3] holds(clear(b),do(pickup(d),X)) | -holds(clear(b),X).
% 93742 [binary:93588.2,93636] holds(empty,do(putdown(c,X),do(pickup(c),s0))) | -holds(clear(X),do(pickup(c),s0)).
% 93743 [binary:93589.2,93636] holds(on(c,X),do(putdown(c,X),do(pickup(c),s0))) | -holds(clear(X),do(pickup(c),s0)).
% 93834 [binary:93616.2,93591] -holds(on(d,b),do(putdown(X,Y),Z)) | -holds(on(c,a),Z).
% 93879 [binary:93654,93592.3] holds(clear(b),do(putdown(X,a),Y)) | -holds(clear(b),Y).
% 93881 [binary:93656,93592.3] holds(clear(d),do(putdown(X,a),Y)) | -holds(clear(d),Y).
% 94899 [binary:93589,93834] -holds(on(c,a),X) | -holds(holding(d),X) | -holds(clear(b),X).
% 97857 [binary:94899,93673] -holds(holding(d),do(pickup(d),X)) | -holds(clear(b),do(pickup(d),X)) | -holds(on(c,a),X).
% 99632 [binary:93608,93699.2] holds(clear(a),do(pickup(c),s0)).
% 108930 [binary:93699,93742.2,cut:93608] holds(empty,do(putdown(c,a),do(pickup(c),s0))).
% 143550 [binary:93703.2,93879] holds(clear(b),do(pickup(d),do(putdown(X,a),Y))) | -holds(clear(b),Y).
% 144049 [binary:93652,93881.2] holds(clear(d),do(putdown(X,a),do(pickup(c),s0))).
% 164537 [binary:93631.3,108930,cut:144049] holds(holding(d),do(pickup(d),do(putdown(c,a),do(pickup(c),s0)))).
% 252536 [binary:93743,97857.3,cut:164537,cut:99632,binarydemod:93702,143550,cut:93609] 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 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:    15062
%  derived clauses:   1208993
%  kept clauses:      165017
%  kept size sum:     0
%  kept mid-nuclei:   5894
%  kept new demods:   0
%  forw unit-subs:    80929
%  forw double-subs: 2925
%  forw overdouble-subs: 555
%  backward subs:     1
%  fast unit cutoff:  1632
%  full unit cutoff:  0
%  dbl  unit cutoff:  107
%  real runtime  :  98.48
%  process. runtime:  97.97
% specific non-discr-tree subsumption statistics: 
%  tried:           12383
%  length fails:    160
%  strength fails:  737
%  predlist fails:  723
%  aux str. fails:  34
%  by-lit fails:    0
%  full subs tried: 10721
%  full subs fail:  10173
% 
% ; 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/PLA005-2+noeq.in")
% 
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