TSTP Solution File: SET947+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET947+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n013.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 13:14:35 EDT 2022

% Result   : Theorem 2.01s 2.17s
% Output   : Refutation 2.01s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   11 (   7 unt;   1 nHn;   9 RR)
%            Number of literals    :   16 (   2 equ;   5 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-2 aty)
%            Number of variables   :   10 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( A != powerset(B)
    | in(C,A)
    | ~ subset(C,B) ),
    file('SET947+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( subset(A,B)
    | ~ in(dollar_f2(A,B),B) ),
    file('SET947+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ in(A,B)
    | subset(A,union(B)) ),
    file('SET947+1.p',unknown),
    [] ).

cnf(9,axiom,
    ~ subset(dollar_c3,powerset(union(dollar_c3))),
    file('SET947+1.p',unknown),
    [] ).

cnf(11,axiom,
    A = A,
    file('SET947+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( subset(A,B)
    | in(dollar_f2(A,B),A) ),
    file('SET947+1.p',unknown),
    [] ).

cnf(81,plain,
    in(dollar_f2(dollar_c3,powerset(union(dollar_c3))),dollar_c3),
    inference(hyper,[status(thm)],[13,9]),
    [iquote('hyper,13,9')] ).

cnf(88,plain,
    subset(dollar_f2(dollar_c3,powerset(union(dollar_c3))),union(dollar_c3)),
    inference(hyper,[status(thm)],[81,7]),
    [iquote('hyper,81,7')] ).

cnf(190,plain,
    in(dollar_f2(dollar_c3,powerset(union(dollar_c3))),powerset(union(dollar_c3))),
    inference(hyper,[status(thm)],[88,3,11]),
    [iquote('hyper,88,3,11')] ).

cnf(452,plain,
    subset(dollar_c3,powerset(union(dollar_c3))),
    inference(hyper,[status(thm)],[190,6]),
    [iquote('hyper,190,6')] ).

cnf(453,plain,
    $false,
    inference(binary,[status(thm)],[452,9]),
    [iquote('binary,452.1,9.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET947+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n013.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Jul 27 10:46:00 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.01/2.17  ----- Otter 3.3f, August 2004 -----
% 2.01/2.17  The process was started by sandbox on n013.cluster.edu,
% 2.01/2.17  Wed Jul 27 10:46:00 2022
% 2.01/2.17  The command was "./otter".  The process ID is 6811.
% 2.01/2.17  
% 2.01/2.17  set(prolog_style_variables).
% 2.01/2.17  set(auto).
% 2.01/2.17     dependent: set(auto1).
% 2.01/2.17     dependent: set(process_input).
% 2.01/2.17     dependent: clear(print_kept).
% 2.01/2.17     dependent: clear(print_new_demod).
% 2.01/2.17     dependent: clear(print_back_demod).
% 2.01/2.17     dependent: clear(print_back_sub).
% 2.01/2.17     dependent: set(control_memory).
% 2.01/2.17     dependent: assign(max_mem, 12000).
% 2.01/2.17     dependent: assign(pick_given_ratio, 4).
% 2.01/2.17     dependent: assign(stats_level, 1).
% 2.01/2.17     dependent: assign(max_seconds, 10800).
% 2.01/2.17  clear(print_given).
% 2.01/2.17  
% 2.01/2.17  formula_list(usable).
% 2.01/2.17  all A (A=A).
% 2.01/2.17  all A B (in(A,B)-> -in(B,A)).
% 2.01/2.17  all A B (B=powerset(A)<-> (all C (in(C,B)<->subset(C,A)))).
% 2.01/2.17  all A B (subset(A,B)<-> (all C (in(C,A)->in(C,B)))).
% 2.01/2.17  all A B (in(A,B)->subset(A,union(B))).
% 2.01/2.17  exists A empty(A).
% 2.01/2.17  exists A (-empty(A)).
% 2.01/2.17  all A B subset(A,A).
% 2.01/2.17  -(all A subset(A,powerset(union(A)))).
% 2.01/2.17  end_of_list.
% 2.01/2.17  
% 2.01/2.17  -------> usable clausifies to:
% 2.01/2.17  
% 2.01/2.17  list(usable).
% 2.01/2.17  0 [] A=A.
% 2.01/2.17  0 [] -in(A,B)| -in(B,A).
% 2.01/2.17  0 [] B!=powerset(A)| -in(C,B)|subset(C,A).
% 2.01/2.17  0 [] B!=powerset(A)|in(C,B)| -subset(C,A).
% 2.01/2.17  0 [] B=powerset(A)|in($f1(A,B),B)|subset($f1(A,B),A).
% 2.01/2.17  0 [] B=powerset(A)| -in($f1(A,B),B)| -subset($f1(A,B),A).
% 2.01/2.17  0 [] -subset(A,B)| -in(C,A)|in(C,B).
% 2.01/2.17  0 [] subset(A,B)|in($f2(A,B),A).
% 2.01/2.17  0 [] subset(A,B)| -in($f2(A,B),B).
% 2.01/2.17  0 [] -in(A,B)|subset(A,union(B)).
% 2.01/2.17  0 [] empty($c1).
% 2.01/2.17  0 [] -empty($c2).
% 2.01/2.17  0 [] subset(A,A).
% 2.01/2.17  0 [] -subset($c3,powerset(union($c3))).
% 2.01/2.17  end_of_list.
% 2.01/2.17  
% 2.01/2.17  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 2.01/2.17  
% 2.01/2.17  This ia a non-Horn set with equality.  The strategy will be
% 2.01/2.17  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.01/2.17  deletion, with positive clauses in sos and nonpositive
% 2.01/2.17  clauses in usable.
% 2.01/2.17  
% 2.01/2.17     dependent: set(knuth_bendix).
% 2.01/2.17     dependent: set(anl_eq).
% 2.01/2.17     dependent: set(para_from).
% 2.01/2.17     dependent: set(para_into).
% 2.01/2.17     dependent: clear(para_from_right).
% 2.01/2.17     dependent: clear(para_into_right).
% 2.01/2.17     dependent: set(para_from_vars).
% 2.01/2.17     dependent: set(eq_units_both_ways).
% 2.01/2.17     dependent: set(dynamic_demod_all).
% 2.01/2.17     dependent: set(dynamic_demod).
% 2.01/2.17     dependent: set(order_eq).
% 2.01/2.17     dependent: set(back_demod).
% 2.01/2.17     dependent: set(lrpo).
% 2.01/2.17     dependent: set(hyper_res).
% 2.01/2.17     dependent: set(unit_deletion).
% 2.01/2.17     dependent: set(factor).
% 2.01/2.17  
% 2.01/2.17  ------------> process usable:
% 2.01/2.17  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.01/2.17  ** KEPT (pick-wt=10): 2 [] A!=powerset(B)| -in(C,A)|subset(C,B).
% 2.01/2.17  ** KEPT (pick-wt=10): 3 [] A!=powerset(B)|in(C,A)| -subset(C,B).
% 2.01/2.17  ** KEPT (pick-wt=14): 4 [] A=powerset(B)| -in($f1(B,A),A)| -subset($f1(B,A),B).
% 2.01/2.17  ** KEPT (pick-wt=9): 5 [] -subset(A,B)| -in(C,A)|in(C,B).
% 2.01/2.17  ** KEPT (pick-wt=8): 6 [] subset(A,B)| -in($f2(A,B),B).
% 2.01/2.17  ** KEPT (pick-wt=7): 7 [] -in(A,B)|subset(A,union(B)).
% 2.01/2.17  ** KEPT (pick-wt=2): 8 [] -empty($c2).
% 2.01/2.17  ** KEPT (pick-wt=5): 9 [] -subset($c3,powerset(union($c3))).
% 2.01/2.17  
% 2.01/2.17  ------------> process sos:
% 2.01/2.17  ** KEPT (pick-wt=3): 11 [] A=A.
% 2.01/2.17  ** KEPT (pick-wt=14): 12 [] A=powerset(B)|in($f1(B,A),A)|subset($f1(B,A),B).
% 2.01/2.17  ** KEPT (pick-wt=8): 13 [] subset(A,B)|in($f2(A,B),A).
% 2.01/2.17  ** KEPT (pick-wt=2): 14 [] empty($c1).
% 2.01/2.17  ** KEPT (pick-wt=3): 15 [] subset(A,A).
% 2.01/2.17    Following clause subsumed by 11 during input processing: 0 [copy,11,flip.1] A=A.
% 2.01/2.17  
% 2.01/2.17  ======= end of input processing =======
% 2.01/2.17  
% 2.01/2.17  =========== start of search ===========
% 2.01/2.17  
% 2.01/2.17  -------- PROOF -------- 
% 2.01/2.17  
% 2.01/2.17  ----> UNIT CONFLICT at   0.02 sec ----> 453 [binary,452.1,9.1] $F.
% 2.01/2.17  
% 2.01/2.17  Length of proof is 4.  Level of proof is 4.
% 2.01/2.17  
% 2.01/2.17  ---------------- PROOF ----------------
% 2.01/2.17  % SZS status Theorem
% 2.01/2.17  % SZS output start Refutation
% See solution above
% 2.01/2.17  ------------ end of proof -------------
% 2.01/2.17  
% 2.01/2.17  
% 2.01/2.17  Search stopped by max_proofs option.
% 2.01/2.17  
% 2.01/2.17  
% 2.01/2.17  Search stopped by max_proofs option.
% 2.01/2.17  
% 2.01/2.17  ============ end of search ============
% 2.01/2.17  
% 2.01/2.17  -------------- statistics -------------
% 2.01/2.17  clauses given                 33
% 2.01/2.17  clauses generated            517
% 2.01/2.17  clauses kept                 452
% 2.01/2.17  clauses forward subsumed      80
% 2.01/2.17  clauses back subsumed          0
% 2.01/2.17  Kbytes malloced             2929
% 2.01/2.17  
% 2.01/2.17  ----------- times (seconds) -----------
% 2.01/2.17  user CPU time          0.02          (0 hr, 0 min, 0 sec)
% 2.01/2.17  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.01/2.17  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 2.01/2.17  
% 2.01/2.17  That finishes the proof of the theorem.
% 2.01/2.17  
% 2.01/2.17  Process 6811 finished Wed Jul 27 10:46:01 2022
% 2.01/2.17  Otter interrupted
% 2.01/2.18  PROOF FOUND
%------------------------------------------------------------------------------