TSTP Solution File: MSC008-1.002 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : MSC008-1.002 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n001.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 : Mon May 22 16:35:06 EDT 2023

% Result   : Unsatisfiable 1.92s 2.13s
% Output   : Refutation 1.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   13 (   4 unt;   6 nHn;   5 RR)
%            Number of literals    :   27 (   0 equ;   9 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    2 (   2 usr;   2 con; 0-0 aty)
%            Number of variables   :   30 (   8 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ e_q(p_1,p_2),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ latin(A,B,C)
    | ~ latin(A,B,D)
    | e_q(C,D) ),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ greek(A,B,C)
    | ~ greek(A,B,D)
    | e_q(C,D) ),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ greek(A,B,C)
    | ~ latin(A,B,D)
    | ~ greek(E,F,C)
    | ~ latin(E,F,D)
    | e_q(A,E) ),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(19,axiom,
    ( latin(A,p_1,B)
    | latin(A,p_2,B) ),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(20,axiom,
    ( latin(p_1,A,B)
    | latin(p_2,A,B) ),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(22,axiom,
    ( greek(A,p_1,B)
    | greek(A,p_2,B) ),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(23,axiom,
    ( greek(p_1,A,B)
    | greek(p_2,A,B) ),
    file('MSC008-1.002.p',unknown),
    [] ).

cnf(752,plain,
    ( greek(p_2,p_2,A)
    | latin(p_1,p_1,B) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[23,10,19,22,20]),1])])]),
    [iquote('hyper,23,10,19,22,20,unit_del,1,factor_simp,factor_simp')] ).

cnf(1229,plain,
    ( greek(p_2,p_2,A)
    | e_q(B,C) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[752,3,752])]),
    [iquote('hyper,752,3,752,factor_simp')] ).

cnf(1230,plain,
    greek(p_2,p_2,A),
    inference(hyper,[status(thm)],[1229,1]),
    [iquote('hyper,1229,1')] ).

cnf(1363,plain,
    e_q(A,B),
    inference(hyper,[status(thm)],[1230,6,1230]),
    [iquote('hyper,1230,6,1230')] ).

cnf(1364,plain,
    $false,
    inference(binary,[status(thm)],[1363,1]),
    [iquote('binary,1363.1,1.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : MSC008-1.002 : TPTP v8.1.2. Released v1.0.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.12/0.31  % Computer : n001.cluster.edu
% 0.12/0.31  % Model    : x86_64 x86_64
% 0.12/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.31  % Memory   : 8042.1875MB
% 0.12/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.31  % CPULimit : 300
% 0.12/0.31  % WCLimit  : 300
% 0.12/0.31  % DateTime : Mon May 22 17:13:13 EDT 2023
% 0.12/0.32  % CPUTime  : 
% 1.92/2.12  ----- Otter 3.3f, August 2004 -----
% 1.92/2.12  The process was started by sandbox2 on n001.cluster.edu,
% 1.92/2.12  Mon May 22 17:13:13 2023
% 1.92/2.12  The command was "./otter".  The process ID is 11749.
% 1.92/2.12  
% 1.92/2.12  set(prolog_style_variables).
% 1.92/2.12  set(auto).
% 1.92/2.12     dependent: set(auto1).
% 1.92/2.12     dependent: set(process_input).
% 1.92/2.12     dependent: clear(print_kept).
% 1.92/2.12     dependent: clear(print_new_demod).
% 1.92/2.12     dependent: clear(print_back_demod).
% 1.92/2.12     dependent: clear(print_back_sub).
% 1.92/2.12     dependent: set(control_memory).
% 1.92/2.12     dependent: assign(max_mem, 12000).
% 1.92/2.12     dependent: assign(pick_given_ratio, 4).
% 1.92/2.12     dependent: assign(stats_level, 1).
% 1.92/2.12     dependent: assign(max_seconds, 10800).
% 1.92/2.12  clear(print_given).
% 1.92/2.12  
% 1.92/2.12  list(usable).
% 1.92/2.12  0 [] -e_q(p_1,p_2).
% 1.92/2.12  0 [] e_q(X,X).
% 1.92/2.12  0 [] -e_q(X,Y)|e_q(Y,X).
% 1.92/2.12  0 [] -latin(Row,Column,Label1)| -latin(Row,Column,Label2)|e_q(Label1,Label2).
% 1.92/2.12  0 [] -latin(Row,Column1,Label)| -latin(Row,Column2,Label)|e_q(Column1,Column2).
% 1.92/2.12  0 [] -latin(Row1,Column,Label)| -latin(Row2,Column,Label)|e_q(Row1,Row2).
% 1.92/2.12  0 [] -greek(Row,Column,Label1)| -greek(Row,Column,Label2)|e_q(Label1,Label2).
% 1.92/2.12  0 [] -greek(Row,Column1,Label)| -greek(Row,Column2,Label)|e_q(Column1,Column2).
% 1.92/2.12  0 [] -greek(Row1,Column,Label)| -greek(Row2,Column,Label)|e_q(Row1,Row2).
% 1.92/2.12  0 [] latin(Row,Column,p_1)|latin(Row,Column,p_2).
% 1.92/2.12  0 [] latin(Row,p_1,Label)|latin(Row,p_2,Label).
% 1.92/2.12  0 [] latin(p_1,Column,Label)|latin(p_2,Column,Label).
% 1.92/2.12  0 [] greek(Row,Column,p_1)|greek(Row,Column,p_2).
% 1.92/2.12  0 [] greek(Row,p_1,Label)|greek(Row,p_2,Label).
% 1.92/2.12  0 [] greek(p_1,Column,Label)|greek(p_2,Column,Label).
% 1.92/2.12  0 [] -greek(Row1,Column1,Label1)| -latin(Row1,Column1,Label2)| -greek(Row2,Column2,Label1)| -latin(Row2,Column2,Label2)|e_q(Column1,Column2).
% 1.92/2.12  0 [] -greek(Row1,Column1,Label1)| -latin(Row1,Column1,Label2)| -greek(Row2,Column2,Label1)| -latin(Row2,Column2,Label2)|e_q(Row1,Row2).
% 1.92/2.12  end_of_list.
% 1.92/2.12  
% 1.92/2.12  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 1.92/2.12  
% 1.92/2.12  This is a non-Horn set without equality.  The strategy will
% 1.92/2.12  be ordered hyper_res, unit deletion, and factoring, with
% 1.92/2.12  satellites in sos and with nuclei in usable.
% 1.92/2.12  
% 1.92/2.12     dependent: set(hyper_res).
% 1.92/2.12     dependent: set(factor).
% 1.92/2.13     dependent: set(unit_deletion).
% 1.92/2.13  
% 1.92/2.13  ------------> process usable:
% 1.92/2.13  ** KEPT (pick-wt=3): 1 [] -e_q(p_1,p_2).
% 1.92/2.13  ** KEPT (pick-wt=6): 2 [] -e_q(A,B)|e_q(B,A).
% 1.92/2.13  ** KEPT (pick-wt=11): 3 [] -latin(A,B,C)| -latin(A,B,D)|e_q(C,D).
% 1.92/2.13  ** KEPT (pick-wt=11): 4 [] -latin(A,B,C)| -latin(A,D,C)|e_q(B,D).
% 1.92/2.13  ** KEPT (pick-wt=11): 5 [] -latin(A,B,C)| -latin(D,B,C)|e_q(A,D).
% 1.92/2.13  ** KEPT (pick-wt=11): 6 [] -greek(A,B,C)| -greek(A,B,D)|e_q(C,D).
% 1.92/2.13  ** KEPT (pick-wt=11): 7 [] -greek(A,B,C)| -greek(A,D,C)|e_q(B,D).
% 1.92/2.13  ** KEPT (pick-wt=11): 8 [] -greek(A,B,C)| -greek(D,B,C)|e_q(A,D).
% 1.92/2.13  ** KEPT (pick-wt=19): 9 [] -greek(A,B,C)| -latin(A,B,D)| -greek(E,F,C)| -latin(E,F,D)|e_q(B,F).
% 1.92/2.13  ** KEPT (pick-wt=19): 10 [] -greek(A,B,C)| -latin(A,B,D)| -greek(E,F,C)| -latin(E,F,D)|e_q(A,E).
% 1.92/2.13  
% 1.92/2.13  ------------> process sos:
% 1.92/2.13  ** KEPT (pick-wt=3): 17 [] e_q(A,A).
% 1.92/2.13  ** KEPT (pick-wt=8): 18 [] latin(A,B,p_1)|latin(A,B,p_2).
% 1.92/2.13  ** KEPT (pick-wt=8): 19 [] latin(A,p_1,B)|latin(A,p_2,B).
% 1.92/2.13  ** KEPT (pick-wt=8): 20 [] latin(p_1,A,B)|latin(p_2,A,B).
% 1.92/2.13  ** KEPT (pick-wt=8): 21 [] greek(A,B,p_1)|greek(A,B,p_2).
% 1.92/2.13  ** KEPT (pick-wt=8): 22 [] greek(A,p_1,B)|greek(A,p_2,B).
% 1.92/2.13  ** KEPT (pick-wt=8): 23 [] greek(p_1,A,B)|greek(p_2,A,B).
% 1.92/2.13  17 back subsumes 16.
% 1.92/2.13  17 back subsumes 15.
% 1.92/2.13  17 back subsumes 14.
% 1.92/2.13  17 back subsumes 13.
% 1.92/2.13  17 back subsumes 12.
% 1.92/2.13  17 back subsumes 11.
% 1.92/2.13  
% 1.92/2.13  ======= end of input processing =======
% 1.92/2.13  
% 1.92/2.13  =========== start of search ===========
% 1.92/2.13  
% 1.92/2.13  -------- PROOF -------- 
% 1.92/2.13  
% 1.92/2.13  ----> UNIT CONFLICT at   0.34 sec ----> 1364 [binary,1363.1,1.1] $F.
% 1.92/2.13  
% 1.92/2.13  Length of proof is 4.  Level of proof is 4.
% 1.92/2.13  
% 1.92/2.13  ---------------- PROOF ----------------
% 1.92/2.13  % SZS status Unsatisfiable
% 1.92/2.13  % SZS output start Refutation
% See solution above
% 1.92/2.13  ------------ end of proof -------------
% 1.92/2.13  
% 1.92/2.13  
% 1.92/2.13  Search stopped by max_proofs option.
% 1.92/2.13  
% 1.92/2.13  
% 1.92/2.13  Search stopped by max_proofs option.
% 1.92/2.13  
% 1.92/2.13  ============ end of search ============
% 1.92/2.13  
% 1.92/2.13  -------------- statistics -------------
% 1.92/2.13  clauses given                 10
% 1.92/2.13  clauses generated           4262
% 1.92/2.13  clauses kept                1363
% 1.92/2.13  clauses forward subsumed    2916
% 1.92/2.13  clauses back subsumed        488
% 1.92/2.13  Kbytes malloced             1953
% 1.92/2.13  
% 1.92/2.13  ----------- times (seconds) -----------
% 1.92/2.13  user CPU time          0.34          (0 hr, 0 min, 0 sec)
% 1.92/2.13  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.92/2.13  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.92/2.13  
% 1.92/2.13  That finishes the proof of the theorem.
% 1.92/2.13  
% 1.92/2.13  Process 11749 finished Mon May 22 17:13:15 2023
% 1.92/2.13  Otter interrupted
% 1.92/2.13  PROOF FOUND
%------------------------------------------------------------------------------