TSTP Solution File: GRP131-1.002 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GRP131-1.002 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n020.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 12:56:30 EDT 2022

% Result   : Unsatisfiable 2.01s 2.17s
% Output   : Refutation 2.01s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   25 (  10 unt;   9 nHn;  25 RR)
%            Number of literals    :   55 (   0 equ;  23 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   :   31 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ e_qualish(e_1,e_2),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(2,axiom,
    ~ e_qualish(e_2,e_1),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ group_element(A)
    | ~ group_element(B)
    | product(A,B,e_1)
    | product(A,B,e_2) ),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ product(A,B,C)
    | ~ product(A,D,C)
    | e_qualish(B,D) ),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ product(A,B,C)
    | ~ product(D,B,C)
    | e_qualish(A,D) ),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ product(A,B,C)
    | ~ product(D,E,C)
    | ~ product(F,B,A)
    | ~ product(F,E,D)
    | e_qualish(A,D) ),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ product(A,B,C)
    | ~ product(D,E,C)
    | ~ product(F,B,A)
    | ~ product(F,E,D)
    | e_qualish(B,E) ),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(9,plain,
    ( ~ group_element(A)
    | product(A,A,e_1)
    | product(A,A,e_2) ),
    inference(factor,[status(thm)],[3]),
    [iquote('factor,3.1.2')] ).

cnf(14,plain,
    ( ~ product(A,B,C)
    | ~ product(C,D,C)
    | ~ product(C,B,A)
    | e_qualish(A,C) ),
    inference(factor,[status(thm)],[7]),
    [iquote('factor,7.2.4')] ).

cnf(16,plain,
    ( ~ product(A,B,C)
    | ~ product(C,D,C)
    | ~ product(C,B,A)
    | e_qualish(B,D) ),
    inference(factor,[status(thm)],[8]),
    [iquote('factor,8.2.4')] ).

cnf(17,axiom,
    group_element(e_1),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(18,axiom,
    group_element(e_2),
    file('GRP131-1.002.p',unknown),
    [] ).

cnf(19,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(hyper,[status(thm)],[17,9]),
    [iquote('hyper,17,9')] ).

cnf(20,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(hyper,[status(thm)],[18,9]),
    [iquote('hyper,18,9')] ).

cnf(21,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(hyper,[status(thm)],[18,3,17]),
    [iquote('hyper,18,3,17')] ).

cnf(22,plain,
    ( product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2) ),
    inference(hyper,[status(thm)],[18,3,17]),
    [iquote('hyper,18,3,17')] ).

cnf(32,plain,
    ( product(e_1,e_2,e_2)
    | product(e_2,e_2,e_2) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[21,6,20]),2]),
    [iquote('hyper,21,6,20,unit_del,2')] ).

cnf(36,plain,
    ( product(e_1,e_2,e_1)
    | product(e_2,e_2,e_1) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[21,6,20]),2]),
    [iquote('hyper,21,6,20,unit_del,2')] ).

cnf(37,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_1,e_1) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[21,5,19]),1]),
    [iquote('hyper,21,5,19,unit_del,1')] ).

cnf(63,plain,
    product(e_1,e_2,e_1),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[37,16,36,21]),2])])]),
    [iquote('hyper,37,16,36,21,unit_del,2,factor_simp,factor_simp')] ).

cnf(65,plain,
    product(e_1,e_1,e_2),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[63,16,63,19]),2]),
    [iquote('hyper,63,16,63,19,unit_del,2')] ).

cnf(67,plain,
    product(e_2,e_2,e_2),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[63,14,20,32]),2])]),
    [iquote('hyper,63,14,20,32,unit_del,2,factor_simp')] ).

cnf(68,plain,
    product(e_2,e_1,e_2),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[65,16,22,63]),1]),
    [iquote('hyper,65,16,22,63,unit_del,1')] ).

cnf(70,plain,
    e_qualish(e_1,e_2),
    inference(hyper,[status(thm)],[68,16,68,67]),
    [iquote('hyper,68,16,68,67')] ).

cnf(71,plain,
    $false,
    inference(binary,[status(thm)],[70,1]),
    [iquote('binary,70.1,1.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP131-1.002 : TPTP v8.1.0. Released v1.2.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n020.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 05:31:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.01/2.17  ----- Otter 3.3f, August 2004 -----
% 2.01/2.17  The process was started by sandbox2 on n020.cluster.edu,
% 2.01/2.17  Wed Jul 27 05:31:53 2022
% 2.01/2.17  The command was "./otter".  The process ID is 1048.
% 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  list(usable).
% 2.01/2.17  0 [] group_element(e_1).
% 2.01/2.17  0 [] group_element(e_2).
% 2.01/2.17  0 [] -e_qualish(e_1,e_2).
% 2.01/2.17  0 [] -e_qualish(e_2,e_1).
% 2.01/2.17  0 [] -group_element(X)| -group_element(Y)|product(X,Y,e_1)|product(X,Y,e_2).
% 2.01/2.17  0 [] -product(X,Y,W)| -product(X,Y,Z)|e_qualish(W,Z).
% 2.01/2.17  0 [] -product(X,W,Y)| -product(X,Z,Y)|e_qualish(W,Z).
% 2.01/2.17  0 [] -product(W,Y,X)| -product(Z,Y,X)|e_qualish(W,Z).
% 2.01/2.17  0 [] -product(X1,Y1,Z1)| -product(X2,Y2,Z1)| -product(Z2,Y1,X1)| -product(Z2,Y2,X2)|e_qualish(X1,X2).
% 2.01/2.17  0 [] -product(X1,Y1,Z1)| -product(X2,Y2,Z1)| -product(Z2,Y1,X1)| -product(Z2,Y2,X2)|e_qualish(Y1,Y2).
% 2.01/2.17  end_of_list.
% 2.01/2.17  
% 2.01/2.17  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 2.01/2.17  
% 2.01/2.17  This is a non-Horn set without equality.  The strategy will
% 2.01/2.17  be ordered hyper_res, unit deletion, and factoring, with
% 2.01/2.17  satellites in sos and with nuclei in usable.
% 2.01/2.17  
% 2.01/2.17     dependent: set(hyper_res).
% 2.01/2.17     dependent: set(factor).
% 2.01/2.17     dependent: set(unit_deletion).
% 2.01/2.17  
% 2.01/2.17  ------------> process usable:
% 2.01/2.17  ** KEPT (pick-wt=3): 1 [] -e_qualish(e_1,e_2).
% 2.01/2.17  ** KEPT (pick-wt=3): 2 [] -e_qualish(e_2,e_1).
% 2.01/2.17  ** KEPT (pick-wt=12): 3 [] -group_element(A)| -group_element(B)|product(A,B,e_1)|product(A,B,e_2).
% 2.01/2.17  ** KEPT (pick-wt=11): 4 [] -product(A,B,C)| -product(A,B,D)|e_qualish(C,D).
% 2.01/2.17  ** KEPT (pick-wt=11): 5 [] -product(A,B,C)| -product(A,D,C)|e_qualish(B,D).
% 2.01/2.17  ** KEPT (pick-wt=11): 6 [] -product(A,B,C)| -product(D,B,C)|e_qualish(A,D).
% 2.01/2.17  ** KEPT (pick-wt=19): 7 [] -product(A,B,C)| -product(D,E,C)| -product(F,B,A)| -product(F,E,D)|e_qualish(A,D).
% 2.01/2.17  ** KEPT (pick-wt=19): 8 [] -product(A,B,C)| -product(D,E,C)| -product(F,B,A)| -product(F,E,D)|e_qualish(B,E).
% 2.01/2.17  
% 2.01/2.17  ------------> process sos:
% 2.01/2.17  ** KEPT (pick-wt=2): 17 [] group_element(e_1).
% 2.01/2.17  ** KEPT (pick-wt=2): 18 [] group_element(e_2).
% 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   0.08 sec ----> 71 [binary,70.1,1.1] $F.
% 2.01/2.17  
% 2.01/2.17  Length of proof is 15.  Level of proof is 7.
% 2.01/2.17  
% 2.01/2.17  ---------------- PROOF ----------------
% 2.01/2.17  % SZS status Unsatisfiable
% 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                 32
% 2.01/2.17  clauses generated           4823
% 2.01/2.17  clauses kept                  70
% 2.01/2.17  clauses forward subsumed    4763
% 2.01/2.17  clauses back subsumed         44
% 2.01/2.17  Kbytes malloced              976
% 2.01/2.17  
% 2.01/2.17  ----------- times (seconds) -----------
% 2.01/2.17  user CPU time          0.08          (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        2             (0 hr, 0 min, 2 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 1048 finished Wed Jul 27 05:31:55 2022
% 2.01/2.17  Otter interrupted
% 2.01/2.17  PROOF FOUND
%------------------------------------------------------------------------------