TSTP Solution File: PLA004-2 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : PLA004-2 : 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 : art06.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 90.1s
% Output   : Assurance 90.1s
% 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/PLA004-2+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(31,40,0,62,0,0,1013,50,5,1044,0,5,66326,4,4206,66848,63,5606,66848,1,5606,66848,50,5611,66848,40,5611,66879,0,5611,67904,50,5627,67935,0,5627,91841,3,6978,92266,4,7653,93788,5,8328,93789,1,8328,93789,50,8331,93789,40,8331,93820,0,8331)
% 
% 
% START OF PROOF
% 93790 [] holds(and(X,Y),Z) | -holds(X,Z) | -holds(Y,Z).
% 93791 [] holds(holding(X),do(pickup(X),Y)) | -holds(clear(X),Y) | -differ(X,table) | -holds(empty,Y).
% 93793 [] holds(on(X,Y),do(pickup(Z),U)) | -holds(on(X,Y),U) | -differ(X,Z).
% 93794 [] holds(clear(X),do(pickup(Y),Z)) | -holds(clear(X),Z) | -differ(X,Y).
% 93795 [] holds(empty,do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93796 [] holds(on(X,Y),do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93797 [] holds(clear(X),do(putdown(X,Y),Z)) | -holds(holding(X),Z) | -holds(clear(Y),Z).
% 93798 [] holds(on(X,Y),do(putdown(Z,U),V)) | -holds(on(X,Y),V).
% 93799 [] holds(clear(X),do(putdown(Y,Z),U)) | -holds(clear(X),U) | -differ(X,Z).
% 93800 [] -differ(X,Y) | differ(Y,X).
% 93801 [] differ(a,b).
% 93802 [] differ(a,c).
% 93805 [] differ(b,c).
% 93807 [] differ(b,table).
% 93809 [] differ(c,table).
% 93815 [] holds(clear(a),s0).
% 93816 [] holds(clear(b),s0).
% 93817 [] holds(clear(c),s0).
% 93818 [] holds(empty,s0).
% 93820 [] -holds(and(on(b,a),on(c,b)),X).
% 93823 [binary:93820,93790] -holds(on(b,a),X) | -holds(on(c,b),X).
% 93837 [binary:93809,93791.3] holds(holding(c),do(pickup(c),X)) | -holds(clear(c),X) | -holds(empty,X).
% 93842 [binary:93816,93791.2,cut:93807,cut:93818] holds(holding(b),do(pickup(b),s0)).
% 93862 [binary:93802,93800] differ(c,a).
% 93865 [binary:93805,93800] differ(c,b).
% 93877 [binary:93805,93793.3] holds(on(b,X),do(pickup(c),Y)) | -holds(on(b,X),Y).
% 93905 [binary:93801,93794.3] holds(clear(a),do(pickup(b),X)) | -holds(clear(a),X).
% 93909 [binary:93805,93794.3] holds(clear(b),do(pickup(c),X)) | -holds(clear(b),X).
% 93917 [binary:93817,93794.2] holds(clear(c),do(pickup(X),s0)) | -differ(c,X).
% 93937 [binary:93795.2,93842] holds(empty,do(putdown(b,X),do(pickup(b),s0))) | -holds(clear(X),do(pickup(b),s0)).
% 93946 [binary:93842,93796.2] holds(on(b,X),do(putdown(b,X),do(pickup(b),s0))) | -holds(clear(X),do(pickup(b),s0)).
% 93996 [binary:93842,93797.2] holds(clear(b),do(putdown(b,X),do(pickup(b),s0))) | -holds(clear(X),do(pickup(b),s0)).
% 94040 [binary:93823,93798] -holds(on(c,b),do(putdown(X,Y),Z)) | -holds(on(b,a),Z).
% 94087 [binary:93862,93799.3] holds(clear(c),do(putdown(X,a),Y)) | -holds(clear(c),Y).
% 94455 [binary:93796,94040] -holds(on(b,a),X) | -holds(holding(c),X) | -holds(clear(b),X).
% 97742 [binary:94455,93877] -holds(holding(c),do(pickup(c),X)) | -holds(clear(b),do(pickup(c),X)) | -holds(on(b,a),X).
% 99697 [binary:93815,93905.2] holds(clear(a),do(pickup(b),s0)).
% 101310 [binary:93865,93917.2] holds(clear(c),do(pickup(b),s0)).
% 107425 [binary:93905,93937.2,cut:93815] holds(empty,do(putdown(b,a),do(pickup(b),s0))).
% 117168 [binary:93909.2,93996] holds(clear(b),do(pickup(c),do(putdown(b,X),do(pickup(b),s0)))) | -holds(clear(X),do(pickup(b),s0)).
% 144184 [binary:101310,94087.2] holds(clear(c),do(putdown(X,a),do(pickup(b),s0))).
% 163771 [binary:93837.3,107425,cut:144184] holds(holding(c),do(pickup(c),do(putdown(b,a),do(pickup(b),s0)))).
% 230640 [binary:93946,97742.3,cut:163771,cut:99697,binarydemod:93905,117168,cut:93815] 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:    15079
%  derived clauses:   1190930
%  kept clauses:      164403
%  kept size sum:     0
%  kept mid-nuclei:   5890
%  kept new demods:   0
%  forw unit-subs:    80769
%  forw double-subs: 2549
%  forw overdouble-subs: 514
%  backward subs:     9
%  fast unit cutoff:  1195
%  full unit cutoff:  0
%  dbl  unit cutoff:  100
%  real runtime  :  95.25
%  process. runtime:  95.17
% specific non-discr-tree subsumption statistics: 
%  tried:           10408
%  length fails:    144
%  strength fails:  729
%  predlist fails:  608
%  aux str. fails:  34
%  by-lit fails:    0
%  full subs tried: 8892
%  full subs fail:  8378
% 
% ; 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/PLA004-2+noeq.in")
% 
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