TSTP Solution File: SET587+3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET587+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n010.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Jul 27 13:13:45 EDT 2022

% Result   : Timeout 299.82s 300.01s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.11  % Problem  : SET587+3 : TPTP v8.1.0. Released v2.2.0.
% 0.02/0.11  % Command  : otter-tptp-script %s
% 0.11/0.32  % Computer : n010.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Wed Jul 27 10:20:54 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 1.74/1.95  ----- Otter 3.3f, August 2004 -----
% 1.74/1.95  The process was started by sandbox on n010.cluster.edu,
% 1.74/1.95  Wed Jul 27 10:20:54 2022
% 1.74/1.95  The command was "./otter".  The process ID is 22329.
% 1.74/1.95  
% 1.74/1.95  set(prolog_style_variables).
% 1.74/1.95  set(auto).
% 1.74/1.95     dependent: set(auto1).
% 1.74/1.95     dependent: set(process_input).
% 1.74/1.95     dependent: clear(print_kept).
% 1.74/1.95     dependent: clear(print_new_demod).
% 1.74/1.95     dependent: clear(print_back_demod).
% 1.74/1.95     dependent: clear(print_back_sub).
% 1.74/1.95     dependent: set(control_memory).
% 1.74/1.95     dependent: assign(max_mem, 12000).
% 1.74/1.95     dependent: assign(pick_given_ratio, 4).
% 1.74/1.95     dependent: assign(stats_level, 1).
% 1.74/1.95     dependent: assign(max_seconds, 10800).
% 1.74/1.95  clear(print_given).
% 1.74/1.95  
% 1.74/1.95  formula_list(usable).
% 1.74/1.95  all A (A=A).
% 1.74/1.95  all B C ((all D (member(D,B)<->member(D,C)))->B=C).
% 1.74/1.95  all B C D (member(D,difference(B,C))<->member(D,B)& -member(D,C)).
% 1.74/1.95  all B (-member(B,empty_set)).
% 1.74/1.95  all B C (subset(B,C)<-> (all D (member(D,B)->member(D,C)))).
% 1.74/1.95  all B C (B=C<->subset(B,C)&subset(C,B)).
% 1.74/1.95  all B C (B=C<-> (all D (member(D,B)<->member(D,C)))).
% 1.74/1.95  all B subset(B,B).
% 1.74/1.95  all B (empty(B)<-> (all C (-member(C,B)))).
% 1.74/1.95  -(all B C (difference(B,C)=empty_set<->subset(B,C))).
% 1.74/1.95  end_of_list.
% 1.74/1.95  
% 1.74/1.95  -------> usable clausifies to:
% 1.74/1.95  
% 1.74/1.95  list(usable).
% 1.74/1.95  0 [] A=A.
% 1.74/1.95  0 [] member($f1(B,C),B)|member($f1(B,C),C)|B=C.
% 1.74/1.95  0 [] -member($f1(B,C),B)| -member($f1(B,C),C)|B=C.
% 1.74/1.95  0 [] -member(D,difference(B,C))|member(D,B).
% 1.74/1.95  0 [] -member(D,difference(B,C))| -member(D,C).
% 1.74/1.95  0 [] member(D,difference(B,C))| -member(D,B)|member(D,C).
% 1.74/1.95  0 [] -member(B,empty_set).
% 1.74/1.95  0 [] -subset(B,C)| -member(D,B)|member(D,C).
% 1.74/1.95  0 [] subset(B,C)|member($f2(B,C),B).
% 1.74/1.95  0 [] subset(B,C)| -member($f2(B,C),C).
% 1.74/1.95  0 [] B!=C|subset(B,C).
% 1.74/1.95  0 [] B!=C|subset(C,B).
% 1.74/1.95  0 [] B=C| -subset(B,C)| -subset(C,B).
% 1.74/1.95  0 [] B!=C| -member(D,B)|member(D,C).
% 1.74/1.95  0 [] B!=C|member(D,B)| -member(D,C).
% 1.74/1.95  0 [] B=C|member($f3(B,C),B)|member($f3(B,C),C).
% 1.74/1.95  0 [] B=C| -member($f3(B,C),B)| -member($f3(B,C),C).
% 1.74/1.95  0 [] subset(B,B).
% 1.74/1.95  0 [] -empty(B)| -member(C,B).
% 1.74/1.95  0 [] empty(B)|member($f4(B),B).
% 1.74/1.95  0 [] difference($c2,$c1)=empty_set|subset($c2,$c1).
% 1.74/1.95  0 [] difference($c2,$c1)!=empty_set| -subset($c2,$c1).
% 1.74/1.95  end_of_list.
% 1.74/1.95  
% 1.74/1.95  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 1.74/1.95  
% 1.74/1.95  This ia a non-Horn set with equality.  The strategy will be
% 1.74/1.95  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.74/1.95  deletion, with positive clauses in sos and nonpositive
% 1.74/1.95  clauses in usable.
% 1.74/1.95  
% 1.74/1.95     dependent: set(knuth_bendix).
% 1.74/1.95     dependent: set(anl_eq).
% 1.74/1.95     dependent: set(para_from).
% 1.74/1.95     dependent: set(para_into).
% 1.74/1.95     dependent: clear(para_from_right).
% 1.74/1.95     dependent: clear(para_into_right).
% 1.74/1.95     dependent: set(para_from_vars).
% 1.74/1.95     dependent: set(eq_units_both_ways).
% 1.74/1.95     dependent: set(dynamic_demod_all).
% 1.74/1.95     dependent: set(dynamic_demod).
% 1.74/1.95     dependent: set(order_eq).
% 1.74/1.95     dependent: set(back_demod).
% 1.74/1.95     dependent: set(lrpo).
% 1.74/1.95     dependent: set(hyper_res).
% 1.74/1.95     dependent: set(unit_deletion).
% 1.74/1.95     dependent: set(factor).
% 1.74/1.95  
% 1.74/1.95  ------------> process usable:
% 1.74/1.95  ** KEPT (pick-wt=13): 1 [] -member($f1(A,B),A)| -member($f1(A,B),B)|A=B.
% 1.74/1.95  ** KEPT (pick-wt=8): 2 [] -member(A,difference(B,C))|member(A,B).
% 1.74/1.95  ** KEPT (pick-wt=8): 3 [] -member(A,difference(B,C))| -member(A,C).
% 1.74/1.95  ** KEPT (pick-wt=11): 4 [] member(A,difference(B,C))| -member(A,B)|member(A,C).
% 1.74/1.95  ** KEPT (pick-wt=3): 5 [] -member(A,empty_set).
% 1.74/1.95  ** KEPT (pick-wt=9): 6 [] -subset(A,B)| -member(C,A)|member(C,B).
% 1.74/1.95  ** KEPT (pick-wt=8): 7 [] subset(A,B)| -member($f2(A,B),B).
% 1.74/1.95  ** KEPT (pick-wt=6): 8 [] A!=B|subset(A,B).
% 1.74/1.95  ** KEPT (pick-wt=6): 9 [] A!=B|subset(B,A).
% 1.74/1.95  ** KEPT (pick-wt=9): 10 [] A=B| -subset(A,B)| -subset(B,A).
% 1.74/1.95  ** KEPT (pick-wt=9): 11 [] A!=B| -member(C,A)|member(C,B).
% 1.74/1.95  ** KEPT (pick-wt=9): 12 [] A!=B|member(C,A)| -member(C,B).
% 1.74/1.95  ** KEPT (pick-wt=13): 13 [] A=B| -member($f3(A,B),A)| -member($f3(A,B),B).
% 1.74/1.95  ** KEPT (pick-wt=5): 14 [] -empty(A)| -member(B,A).
% 1.74/1.95  ** KEPT (pick-wt=8): 15 [] difference($c2,$c1)!=empty_set| -subset($c2,$c1).
% 1.74/1.95  
% 1.74/1.95  ------------> process sos:
% 1.74/1.95  ** KEPT (pick-wt=3): 19 [] A=A.
% 1.74/1.95  ** KEPT (pick-wt=13): 20 [] member($f1(A,B),A)|member($f1(A,B),B)|A=B.
% 1.74/1.95  ** KEPT (pick-wt=8): 21 [] subset(A,B)|member($f2(A,B),A).
% 1.74/1.95  ** KEPT (pick-wt=13): 22 [] A=B|member($f3(A,B),A)|member($f3(A,B),B).
% 1.74/1.95  ** KEPT (pick-wt=3): 23 [] subset(A,A).
% 1.74/1.95  ** KEPT (pick-wt=6): 24 [] empty(A)|member($Alarm clock 
% 299.82/300.01  Otter interrupted
% 299.82/300.01  PROOF NOT FOUND
%------------------------------------------------------------------------------