TSTP Solution File: GRP127-1.004 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GRP127-1.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n016.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 12:56:11 EDT 2022

% Result   : Unsatisfiable 1.60s 1.78s
% Output   : Refutation 1.60s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   14
% Syntax   : Number of clauses     :   39 (  15 unt;  21 nHn;  38 RR)
%            Number of literals    :   83 (   0 equ;  14 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :   15 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ e_qualish(e_1,e_2),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(2,axiom,
    ~ e_qualish(e_1,e_3),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(4,axiom,
    ~ e_qualish(e_2,e_1),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(5,axiom,
    ~ e_qualish(e_2,e_3),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(7,axiom,
    ~ e_qualish(e_3,e_1),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(8,axiom,
    ~ e_qualish(e_3,e_2),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ group_element(A)
    | ~ group_element(B)
    | product(A,B,e_1)
    | product(A,B,e_2)
    | product(A,B,e_3)
    | product(A,B,e_4) ),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ product(A,B,C)
    | ~ product(A,D,C)
    | e_qualish(B,D) ),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ product(A,B,C)
    | ~ product(D,B,C)
    | e_qualish(A,D) ),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ product(A,B,C)
    | ~ product(C,A,D)
    | product(D,A,B) ),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(22,axiom,
    group_element(e_1),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(23,axiom,
    group_element(e_2),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(24,axiom,
    group_element(e_3),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(26,axiom,
    product(A,A,A),
    file('GRP127-1.004.p',unknown),
    [] ).

cnf(27,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(hyper,[status(thm)],[23,13,22]),
    [iquote('hyper,23,13,22')] ).

cnf(28,plain,
    ( product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3)
    | product(e_2,e_1,e_4) ),
    inference(hyper,[status(thm)],[23,13,22]),
    [iquote('hyper,23,13,22')] ).

cnf(29,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3)
    | product(e_2,e_3,e_4) ),
    inference(hyper,[status(thm)],[24,13,23]),
    [iquote('hyper,24,13,23')] ).

cnf(30,plain,
    ( product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3)
    | product(e_1,e_3,e_4) ),
    inference(hyper,[status(thm)],[24,13,22]),
    [iquote('hyper,24,13,22')] ).

cnf(41,plain,
    ( product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[27,15,26]),1]),
    [iquote('hyper,27,15,26,unit_del,1')] ).

cnf(43,plain,
    ( product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[41,16,26]),4]),
    [iquote('hyper,41,16,26,unit_del,4')] ).

cnf(46,plain,
    ( product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3)
    | product(e_2,e_1,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[28,16,26]),1]),
    [iquote('hyper,28,16,26,unit_del,1')] ).

cnf(52,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_3,e_3)
    | product(e_2,e_3,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[29,15,26]),5]),
    [iquote('hyper,29,15,26,unit_del,5')] ).

cnf(55,plain,
    ( product(e_2,e_1,e_3)
    | product(e_2,e_1,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[46,15,26]),4]),
    [iquote('hyper,46,15,26,unit_del,4')] ).

cnf(58,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_3,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[52,16,26]),8]),
    [iquote('hyper,52,16,26,unit_del,8')] ).

cnf(61,plain,
    ( product(e_2,e_3,e_4)
    | product(e_3,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(hyper,[status(thm)],[58,17,43]),
    [iquote('hyper,58,17,43')] ).

cnf(62,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_1,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[58,15,55]),2]),
    [iquote('hyper,58,15,55,unit_del,2')] ).

cnf(65,plain,
    ( product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3)
    | product(e_1,e_3,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[30,15,26]),2]),
    [iquote('hyper,30,15,26,unit_del,2')] ).

cnf(79,plain,
    ( product(e_2,e_3,e_4)
    | product(e_1,e_2,e_4) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[61,16,43]),2])]),
    [iquote('hyper,61,16,43,unit_del,2,factor_simp')] ).

cnf(80,plain,
    ( product(e_1,e_2,e_4)
    | product(e_2,e_1,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[79,15,55]),2]),
    [iquote('hyper,79,15,55,unit_del,2')] ).

cnf(101,plain,
    ( product(e_2,e_1,e_3)
    | product(e_4,e_2,e_3) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[80,17,62])]),
    [iquote('hyper,80,17,62,factor_simp')] ).

cnf(103,plain,
    ( product(e_2,e_1,e_3)
    | product(e_3,e_2,e_1) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[101,17,55])]),
    [iquote('hyper,101,17,55,factor_simp')] ).

cnf(129,plain,
    ( product(e_1,e_3,e_2)
    | product(e_1,e_3,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[65,16,26]),7]),
    [iquote('hyper,65,16,26,unit_del,7')] ).

cnf(146,plain,
    ( product(e_1,e_3,e_2)
    | product(e_1,e_2,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[129,16,79]),4]),
    [iquote('hyper,129,16,79,unit_del,4')] ).

cnf(155,plain,
    product(e_1,e_3,e_2),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[146,15,129]),8])]),
    [iquote('hyper,146,15,129,unit_del,8,factor_simp')] ).

cnf(173,plain,
    ( product(e_2,e_3,e_2)
    | product(e_2,e_1,e_3) ),
    inference(hyper,[status(thm)],[155,17,103]),
    [iquote('hyper,155,17,103')] ).

cnf(196,plain,
    product(e_2,e_1,e_3),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[173,16,155]),1]),
    [iquote('hyper,173,16,155,unit_del,1')] ).

cnf(198,plain,
    product(e_3,e_1,e_3),
    inference(hyper,[status(thm)],[196,17,155]),
    [iquote('hyper,196,17,155')] ).

cnf(200,plain,
    e_qualish(e_2,e_3),
    inference(hyper,[status(thm)],[198,16,196]),
    [iquote('hyper,198,16,196')] ).

cnf(201,plain,
    $false,
    inference(binary,[status(thm)],[200,5]),
    [iquote('binary,200.1,5.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.11  % Problem  : GRP127-1.004 : TPTP v8.1.0. Released v1.2.0.
% 0.09/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n016.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 05:19:22 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.60/1.78  ----- Otter 3.3f, August 2004 -----
% 1.60/1.78  The process was started by sandbox2 on n016.cluster.edu,
% 1.60/1.78  Wed Jul 27 05:19:22 2022
% 1.60/1.78  The command was "./otter".  The process ID is 24202.
% 1.60/1.78  
% 1.60/1.78  set(prolog_style_variables).
% 1.60/1.78  set(auto).
% 1.60/1.78     dependent: set(auto1).
% 1.60/1.78     dependent: set(process_input).
% 1.60/1.78     dependent: clear(print_kept).
% 1.60/1.78     dependent: clear(print_new_demod).
% 1.60/1.78     dependent: clear(print_back_demod).
% 1.60/1.78     dependent: clear(print_back_sub).
% 1.60/1.78     dependent: set(control_memory).
% 1.60/1.78     dependent: assign(max_mem, 12000).
% 1.60/1.78     dependent: assign(pick_given_ratio, 4).
% 1.60/1.78     dependent: assign(stats_level, 1).
% 1.60/1.78     dependent: assign(max_seconds, 10800).
% 1.60/1.78  clear(print_given).
% 1.60/1.78  
% 1.60/1.78  list(usable).
% 1.60/1.78  0 [] group_element(e_1).
% 1.60/1.78  0 [] group_element(e_2).
% 1.60/1.78  0 [] group_element(e_3).
% 1.60/1.78  0 [] group_element(e_4).
% 1.60/1.78  0 [] -e_qualish(e_1,e_2).
% 1.60/1.78  0 [] -e_qualish(e_1,e_3).
% 1.60/1.78  0 [] -e_qualish(e_1,e_4).
% 1.60/1.78  0 [] -e_qualish(e_2,e_1).
% 1.60/1.78  0 [] -e_qualish(e_2,e_3).
% 1.60/1.78  0 [] -e_qualish(e_2,e_4).
% 1.60/1.78  0 [] -e_qualish(e_3,e_1).
% 1.60/1.78  0 [] -e_qualish(e_3,e_2).
% 1.60/1.78  0 [] -e_qualish(e_3,e_4).
% 1.60/1.78  0 [] -e_qualish(e_4,e_1).
% 1.60/1.78  0 [] -e_qualish(e_4,e_2).
% 1.60/1.78  0 [] -e_qualish(e_4,e_3).
% 1.60/1.78  0 [] -group_element(X)| -group_element(Y)|product(X,Y,e_1)|product(X,Y,e_2)|product(X,Y,e_3)|product(X,Y,e_4).
% 1.60/1.78  0 [] -product(X,Y,W)| -product(X,Y,Z)|e_qualish(W,Z).
% 1.60/1.78  0 [] -product(X,W,Y)| -product(X,Z,Y)|e_qualish(W,Z).
% 1.60/1.78  0 [] -product(W,Y,X)| -product(Z,Y,X)|e_qualish(W,Z).
% 1.60/1.78  0 [] product(X,X,X).
% 1.60/1.78  0 [] -product(Y,X,Z1)| -product(Z1,Y,Z2)|product(Z2,Y,X).
% 1.60/1.78  end_of_list.
% 1.60/1.78  
% 1.60/1.78  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=6.
% 1.60/1.78  
% 1.60/1.78  This is a non-Horn set without equality.  The strategy will
% 1.60/1.78  be ordered hyper_res, unit deletion, and factoring, with
% 1.60/1.78  satellites in sos and with nuclei in usable.
% 1.60/1.78  
% 1.60/1.78     dependent: set(hyper_res).
% 1.60/1.78     dependent: set(factor).
% 1.60/1.78     dependent: set(unit_deletion).
% 1.60/1.78  
% 1.60/1.78  ------------> process usable:
% 1.60/1.78  ** KEPT (pick-wt=3): 1 [] -e_qualish(e_1,e_2).
% 1.60/1.78  ** KEPT (pick-wt=3): 2 [] -e_qualish(e_1,e_3).
% 1.60/1.78  ** KEPT (pick-wt=3): 3 [] -e_qualish(e_1,e_4).
% 1.60/1.78  ** KEPT (pick-wt=3): 4 [] -e_qualish(e_2,e_1).
% 1.60/1.78  ** KEPT (pick-wt=3): 5 [] -e_qualish(e_2,e_3).
% 1.60/1.78  ** KEPT (pick-wt=3): 6 [] -e_qualish(e_2,e_4).
% 1.60/1.78  ** KEPT (pick-wt=3): 7 [] -e_qualish(e_3,e_1).
% 1.60/1.78  ** KEPT (pick-wt=3): 8 [] -e_qualish(e_3,e_2).
% 1.60/1.78  ** KEPT (pick-wt=3): 9 [] -e_qualish(e_3,e_4).
% 1.60/1.78  ** KEPT (pick-wt=3): 10 [] -e_qualish(e_4,e_1).
% 1.60/1.78  ** KEPT (pick-wt=3): 11 [] -e_qualish(e_4,e_2).
% 1.60/1.78  ** KEPT (pick-wt=3): 12 [] -e_qualish(e_4,e_3).
% 1.60/1.78  ** KEPT (pick-wt=20): 13 [] -group_element(A)| -group_element(B)|product(A,B,e_1)|product(A,B,e_2)|product(A,B,e_3)|product(A,B,e_4).
% 1.60/1.78  ** KEPT (pick-wt=11): 14 [] -product(A,B,C)| -product(A,B,D)|e_qualish(C,D).
% 1.60/1.78  ** KEPT (pick-wt=11): 15 [] -product(A,B,C)| -product(A,D,C)|e_qualish(B,D).
% 1.60/1.78  ** KEPT (pick-wt=11): 16 [] -product(A,B,C)| -product(D,B,C)|e_qualish(A,D).
% 1.60/1.78  ** KEPT (pick-wt=12): 17 [] -product(A,B,C)| -product(C,A,D)|product(D,A,B).
% 1.60/1.78  
% 1.60/1.78  ------------> process sos:
% 1.60/1.78  ** KEPT (pick-wt=2): 22 [] group_element(e_1).
% 1.60/1.78  ** KEPT (pick-wt=2): 23 [] group_element(e_2).
% 1.60/1.78  ** KEPT (pick-wt=2): 24 [] group_element(e_3).
% 1.60/1.78  ** KEPT (pick-wt=2): 25 [] group_element(e_4).
% 1.60/1.78  ** KEPT (pick-wt=4): 26 [] product(A,A,A).
% 1.60/1.78  
% 1.60/1.78  ======= end of input processing =======
% 1.60/1.78  
% 1.60/1.78  =========== start of search ===========
% 1.60/1.78  
% 1.60/1.78  -------- PROOF -------- 
% 1.60/1.78  
% 1.60/1.78  ----> UNIT CONFLICT at   0.02 sec ----> 201 [binary,200.1,5.1] $F.
% 1.60/1.78  
% 1.60/1.78  Length of proof is 24.  Level of proof is 12.
% 1.60/1.78  
% 1.60/1.78  ---------------- PROOF ----------------
% 1.60/1.78  % SZS status Unsatisfiable
% 1.60/1.78  % SZS output start Refutation
% See solution above
% 1.60/1.78  ------------ end of proof -------------
% 1.60/1.78  
% 1.60/1.78  
% 1.60/1.78  Search stopped by max_proofs option.
% 1.60/1.78  
% 1.60/1.78  
% 1.60/1.78  Search stopped by max_proofs option.
% 1.60/1.78  
% 1.60/1.78  ============ end of search ============
% 1.60/1.78  
% 1.60/1.78  -------------- statistics -------------
% 1.60/1.78  clauses given                 39
% 1.60/1.78  clauses generated           1380
% 1.60/1.78  clauses kept                 200
% 1.60/1.78  clauses forward subsumed    1201
% 1.60/1.78  clauses back subsumed        144
% 1.60/1.78  Kbytes malloced              976
% 1.60/1.78  
% 1.60/1.78  ----------- times (seconds) -----------
% 1.60/1.78  user CPU time          0.02          (0 hr, 0 min, 0 sec)
% 1.60/1.78  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.60/1.78  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.60/1.78  
% 1.60/1.78  That finishes the proof of the theorem.
% 1.60/1.78  
% 1.60/1.78  Process 24202 finished Wed Jul 27 05:19:23 2022
% 1.60/1.78  Otter interrupted
% 1.60/1.78  PROOF FOUND
%------------------------------------------------------------------------------