TSTP Solution File: PUZ008-2 by Gandalf---c-2.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Gandalf---c-2.6
% Problem  : PUZ008-2 : TPTP v3.4.2. Released v1.0.0.
% 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 0.0s
% Output   : Assurance 0.0s
% 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/PUZ/PUZ008-2+noeq.in
% Using automatic strategy selection.
% Time limit in seconds: 600
% 
% prove-all-passes started
% 
% detected problem class: hne
% detected subclass: medium
% detected subclass: short
% 
% strategies selected: 
% (hyper 12 #t 3 3)
% (binary-unit 30 #f 3 3)
% (binary-posweight-order 90 #f 3 3)
% (binary-double 30 #f)
% (binary 48 #t 3 3)
% (hyper 30 #f)
% (binary-posweight-order 180 #f)
% (binary-weightorder 42 #f)
% (binary-order 30 #f)
% (binary-unit 48 #f)
% (binary 60 #t)
% 
% 
% ********* EMPTY CLAUSE DERIVED *********
% 
% 
% timer checkpoints: c(32,40,0,64,0,0)
% 
% 
% START OF PROOF
% 38 [] -banks(west(m(n3),c(n3)),east(m(n0),c(n0)),boatonwest) | banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast).
% 39 [] -banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest) | banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast).
% 40 [] -banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest) | banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast).
% 41 [] -banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest) | banks(west(m(n0),c(n0)),east(m(n3),c(n3)),boatoneast).
% 42 [] -banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast) | banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest).
% 43 [] -banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast) | banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest).
% 44 [] -banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast) | banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest).
% 46 [] -banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast) | banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest).
% 52 [] -banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest) | banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast).
% 53 [] -banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest) | banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast).
% 61 [] -banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast) | banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest).
% 63 [] banks(west(m(n3),c(n3)),east(m(n0),c(n0)),boatonwest).
% 64 [] -banks(west(m(n0),c(n0)),east(m(n3),c(n3)),boatoneast).
% 65 [hyper:38,63] banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast).
% 67 [hyper:46,65] banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest).
% 68 [hyper:40,67] banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast).
% 69 [hyper:44,68] banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest).
% 70 [hyper:52,69] banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast).
% 71 [hyper:61,70] banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest).
% 72 [hyper:53,71] banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast).
% 73 [hyper:42,72] banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest).
% 74 [hyper:39,73] banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast).
% 75 [hyper:43,74] banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest).
% 77 [hyper:41,75,cut:64] contradiction
% END OF PROOF
% 
% Proof found by the following strategy:
% 
% using hyperresolution
% using sos strategy
% using positive unit paramodulation strategy
% using dynamic demodulation
% using ordered paramodulation
% using kb ordering for equality
% preferring bigger arities for lex ordering
% clause length limited to 3
% clause depth limited to 3
% seconds given: 12
% 
% 
% ***GANDALF_FOUND_A_REFUTATION***
% 
% Global statistics over all passes: 
% 
%  given clauses:    13
%  derived clauses:   15
%  kept clauses:      12
%  kept size sum:     144
%  kept mid-nuclei:   0
%  kept new demods:   0
%  forw unit-subs:    2
%  forw double-subs: 0
%  forw overdouble-subs: 0
%  backward subs:     24
%  fast unit cutoff:  1
%  full unit cutoff:  0
%  dbl  unit cutoff:  0
%  real runtime  :  0.0
%  process. runtime:  0.0
% specific non-discr-tree subsumption statistics: 
%  tried:           0
%  length fails:    0
%  strength fails:  0
%  predlist fails:  0
%  aux str. fails:  0
%  by-lit fails:    0
%  full subs tried: 0
%  full subs fail:  0
% 
% ; 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/PUZ/PUZ008-2+noeq.in")
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