TSTP Solution File: SET583+3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET583+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n006.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 13:13:44 EDT 2022

% Result   : Theorem 1.93s 2.09s
% Output   : Refutation 1.93s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    4
% Syntax   : Number of clauses     :    6 (   5 unt;   0 nHn;   6 RR)
%            Number of literals    :    8 (   3 equ;   3 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   2 con; 0-0 aty)
%            Number of variables   :    2 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( A = B
    | ~ subset(A,B)
    | ~ subset(B,A) ),
    file('SET583+3.p',unknown),
    [] ).

cnf(6,axiom,
    dollar_c2 != dollar_c1,
    file('SET583+3.p',unknown),
    [] ).

cnf(11,axiom,
    subset(dollar_c2,dollar_c1),
    file('SET583+3.p',unknown),
    [] ).

cnf(12,axiom,
    subset(dollar_c1,dollar_c2),
    file('SET583+3.p',unknown),
    [] ).

cnf(15,plain,
    dollar_c2 = dollar_c1,
    inference(hyper,[status(thm)],[12,3,11]),
    [iquote('hyper,12,3,11')] ).

cnf(17,plain,
    $false,
    inference(binary,[status(thm)],[15,6]),
    [iquote('binary,15.1,6.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SET583+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.11/0.33  % Computer : n006.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Wed Jul 27 10:25:01 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 1.93/2.09  ----- Otter 3.3f, August 2004 -----
% 1.93/2.09  The process was started by sandbox2 on n006.cluster.edu,
% 1.93/2.09  Wed Jul 27 10:25:02 2022
% 1.93/2.09  The command was "./otter".  The process ID is 3921.
% 1.93/2.09  
% 1.93/2.09  set(prolog_style_variables).
% 1.93/2.09  set(auto).
% 1.93/2.09     dependent: set(auto1).
% 1.93/2.09     dependent: set(process_input).
% 1.93/2.09     dependent: clear(print_kept).
% 1.93/2.09     dependent: clear(print_new_demod).
% 1.93/2.09     dependent: clear(print_back_demod).
% 1.93/2.09     dependent: clear(print_back_sub).
% 1.93/2.09     dependent: set(control_memory).
% 1.93/2.09     dependent: assign(max_mem, 12000).
% 1.93/2.09     dependent: assign(pick_given_ratio, 4).
% 1.93/2.09     dependent: assign(stats_level, 1).
% 1.93/2.09     dependent: assign(max_seconds, 10800).
% 1.93/2.09  clear(print_given).
% 1.93/2.09  
% 1.93/2.09  formula_list(usable).
% 1.93/2.09  all A (A=A).
% 1.93/2.09  all B C (B=C<->subset(B,C)&subset(C,B)).
% 1.93/2.09  all B C (subset(B,C)<-> (all D (member(D,B)->member(D,C)))).
% 1.93/2.09  all B subset(B,B).
% 1.93/2.09  -(all B C (subset(B,C)&subset(C,B)->B=C)).
% 1.93/2.09  end_of_list.
% 1.93/2.09  
% 1.93/2.09  -------> usable clausifies to:
% 1.93/2.09  
% 1.93/2.09  list(usable).
% 1.93/2.09  0 [] A=A.
% 1.93/2.09  0 [] B!=C|subset(B,C).
% 1.93/2.09  0 [] B!=C|subset(C,B).
% 1.93/2.09  0 [] B=C| -subset(B,C)| -subset(C,B).
% 1.93/2.09  0 [] -subset(B,C)| -member(D,B)|member(D,C).
% 1.93/2.09  0 [] subset(B,C)|member($f1(B,C),B).
% 1.93/2.09  0 [] subset(B,C)| -member($f1(B,C),C).
% 1.93/2.09  0 [] subset(B,B).
% 1.93/2.09  0 [] subset($c2,$c1).
% 1.93/2.09  0 [] subset($c1,$c2).
% 1.93/2.09  0 [] $c2!=$c1.
% 1.93/2.09  end_of_list.
% 1.93/2.09  
% 1.93/2.09  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 1.93/2.09  
% 1.93/2.09  This ia a non-Horn set with equality.  The strategy will be
% 1.93/2.09  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.93/2.09  deletion, with positive clauses in sos and nonpositive
% 1.93/2.09  clauses in usable.
% 1.93/2.09  
% 1.93/2.09     dependent: set(knuth_bendix).
% 1.93/2.09     dependent: set(anl_eq).
% 1.93/2.09     dependent: set(para_from).
% 1.93/2.09     dependent: set(para_into).
% 1.93/2.09     dependent: clear(para_from_right).
% 1.93/2.09     dependent: clear(para_into_right).
% 1.93/2.09     dependent: set(para_from_vars).
% 1.93/2.09     dependent: set(eq_units_both_ways).
% 1.93/2.09     dependent: set(dynamic_demod_all).
% 1.93/2.09     dependent: set(dynamic_demod).
% 1.93/2.09     dependent: set(order_eq).
% 1.93/2.09     dependent: set(back_demod).
% 1.93/2.09     dependent: set(lrpo).
% 1.93/2.09     dependent: set(hyper_res).
% 1.93/2.09     dependent: set(unit_deletion).
% 1.93/2.09     dependent: set(factor).
% 1.93/2.09  
% 1.93/2.09  ------------> process usable:
% 1.93/2.09  ** KEPT (pick-wt=6): 1 [] A!=B|subset(A,B).
% 1.93/2.09  ** KEPT (pick-wt=6): 2 [] A!=B|subset(B,A).
% 1.93/2.09  ** KEPT (pick-wt=9): 3 [] A=B| -subset(A,B)| -subset(B,A).
% 1.93/2.09  ** KEPT (pick-wt=9): 4 [] -subset(A,B)| -member(C,A)|member(C,B).
% 1.93/2.09  ** KEPT (pick-wt=8): 5 [] subset(A,B)| -member($f1(A,B),B).
% 1.93/2.09  ** KEPT (pick-wt=3): 6 [] $c2!=$c1.
% 1.93/2.09  
% 1.93/2.09  ------------> process sos:
% 1.93/2.09  ** KEPT (pick-wt=3): 8 [] A=A.
% 1.93/2.09  ** KEPT (pick-wt=8): 9 [] subset(A,B)|member($f1(A,B),A).
% 1.93/2.09  ** KEPT (pick-wt=3): 10 [] subset(A,A).
% 1.93/2.09  ** KEPT (pick-wt=3): 11 [] subset($c2,$c1).
% 1.93/2.09  ** KEPT (pick-wt=3): 12 [] subset($c1,$c2).
% 1.93/2.09    Following clause subsumed by 8 during input processing: 0 [copy,8,flip.1] A=A.
% 1.93/2.09  8 back subsumes 7.
% 1.93/2.09  
% 1.93/2.09  ======= end of input processing =======
% 1.93/2.09  
% 1.93/2.09  =========== start of search ===========
% 1.93/2.09  
% 1.93/2.09  -------- PROOF -------- 
% 1.93/2.09  
% 1.93/2.09  ----> UNIT CONFLICT at   0.00 sec ----> 17 [binary,15.1,6.1] $F.
% 1.93/2.09  
% 1.93/2.09  Length of proof is 1.  Level of proof is 1.
% 1.93/2.09  
% 1.93/2.09  ---------------- PROOF ----------------
% 1.93/2.09  % SZS status Theorem
% 1.93/2.09  % SZS output start Refutation
% See solution above
% 1.93/2.09  ------------ end of proof -------------
% 1.93/2.09  
% 1.93/2.09  
% 1.93/2.09  Search stopped by max_proofs option.
% 1.93/2.09  
% 1.93/2.09  
% 1.93/2.09  Search stopped by max_proofs option.
% 1.93/2.09  
% 1.93/2.09  ============ end of search ============
% 1.93/2.09  
% 1.93/2.09  -------------- statistics -------------
% 1.93/2.09  clauses given                  4
% 1.93/2.09  clauses generated             10
% 1.93/2.09  clauses kept                  15
% 1.93/2.09  clauses forward subsumed       7
% 1.93/2.09  clauses back subsumed          1
% 1.93/2.09  Kbytes malloced              976
% 1.93/2.09  
% 1.93/2.09  ----------- times (seconds) -----------
% 1.93/2.09  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.93/2.09  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.93/2.09  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.93/2.09  
% 1.93/2.09  That finishes the proof of the theorem.
% 1.93/2.09  
% 1.93/2.09  Process 3921 finished Wed Jul 27 10:25:03 2022
% 1.93/2.09  Otter interrupted
% 1.93/2.09  PROOF FOUND
%------------------------------------------------------------------------------