TSTP Solution File: GRP194+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GRP194+1 : TPTP v8.1.0. Released v2.0.0.
% 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 12:56:43 EDT 2022

% Result   : Theorem 1.74s 1.95s
% Output   : Refutation 1.74s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   20 (  11 unt;   1 nHn;  20 RR)
%            Number of literals    :   34 (   8 equ;  14 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-3 aty)
%            Number of variables   :   16 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( ~ group_member(A,f)
    | group_member(phi(A),h) ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ group_member(A,f)
    | ~ group_member(B,f)
    | multiply(h,phi(A),phi(B)) = phi(multiply(f,A,B)) ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(5,plain,
    ( ~ group_member(A,f)
    | ~ group_member(B,f)
    | phi(multiply(f,A,B)) = multiply(h,phi(A),phi(B)) ),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[4])]),
    [iquote('copy,4,flip.3')] ).

cnf(6,axiom,
    ( ~ group_member(A,h)
    | group_member(dollar_f1(A),f) ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ group_member(A,h)
    | phi(dollar_f1(A)) = A ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ left_zero(A,B)
    | group_member(B,A) ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ left_zero(A,B)
    | ~ group_member(C,A)
    | multiply(A,B,C) = B ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( left_zero(A,B)
    | ~ group_member(B,A)
    | group_member(dollar_f2(A,B),A) ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( left_zero(A,B)
    | ~ group_member(B,A)
    | multiply(A,B,dollar_f2(A,B)) != B ),
    file('GRP194+1.p',unknown),
    [] ).

cnf(12,axiom,
    ~ left_zero(h,phi(f_left_zero)),
    file('GRP194+1.p',unknown),
    [] ).

cnf(20,axiom,
    left_zero(f,f_left_zero),
    file('GRP194+1.p',unknown),
    [] ).

cnf(21,plain,
    group_member(f_left_zero,f),
    inference(hyper,[status(thm)],[20,8]),
    [iquote('hyper,20,8')] ).

cnf(31,plain,
    group_member(phi(f_left_zero),h),
    inference(hyper,[status(thm)],[21,3]),
    [iquote('hyper,21,3')] ).

cnf(32,plain,
    group_member(dollar_f2(h,phi(f_left_zero)),h),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[31,10]),12]),
    [iquote('hyper,31,10,unit_del,12')] ).

cnf(83,plain,
    phi(dollar_f1(dollar_f2(h,phi(f_left_zero)))) = dollar_f2(h,phi(f_left_zero)),
    inference(hyper,[status(thm)],[32,7]),
    [iquote('hyper,32,7')] ).

cnf(84,plain,
    group_member(dollar_f1(dollar_f2(h,phi(f_left_zero))),f),
    inference(hyper,[status(thm)],[32,6]),
    [iquote('hyper,32,6')] ).

cnf(118,plain,
    multiply(f,f_left_zero,dollar_f1(dollar_f2(h,phi(f_left_zero)))) = f_left_zero,
    inference(hyper,[status(thm)],[84,9,20]),
    [iquote('hyper,84,9,20')] ).

cnf(121,plain,
    multiply(h,phi(f_left_zero),dollar_f2(h,phi(f_left_zero))) = phi(f_left_zero),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[84,5,21]),118,83])]),
    [iquote('hyper,84,5,21,demod,118,83,flip.1')] ).

cnf(517,plain,
    left_zero(h,phi(f_left_zero)),
    inference(hyper,[status(thm)],[121,11,31]),
    [iquote('hyper,121,11,31')] ).

cnf(518,plain,
    $false,
    inference(binary,[status(thm)],[517,12]),
    [iquote('binary,517.1,12.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP194+1 : TPTP v8.1.0. Released v2.0.0.
% 0.03/0.13  % Command  : otter-tptp-script %s
% 0.14/0.34  % Computer : n016.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Wed Jul 27 05:27:37 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 1.74/1.95  ----- Otter 3.3f, August 2004 -----
% 1.74/1.95  The process was started by sandbox on n016.cluster.edu,
% 1.74/1.95  Wed Jul 27 05:27:37 2022
% 1.74/1.95  The command was "./otter".  The process ID is 7592.
% 1.74/1.95  
% 1.74/1.95  set(prolog_style_variables).
% 1.74/1.95  set(auto).
% 1.74/1.95     dependent: set(auto1).
% 1.74/1.95     dependent: set(process_input).
% 1.74/1.95     dependent: clear(print_kept).
% 1.74/1.95     dependent: clear(print_new_demod).
% 1.74/1.95     dependent: clear(print_back_demod).
% 1.74/1.95     dependent: clear(print_back_sub).
% 1.74/1.95     dependent: set(control_memory).
% 1.74/1.95     dependent: assign(max_mem, 12000).
% 1.74/1.95     dependent: assign(pick_given_ratio, 4).
% 1.74/1.95     dependent: assign(stats_level, 1).
% 1.74/1.95     dependent: assign(max_seconds, 10800).
% 1.74/1.95  clear(print_given).
% 1.74/1.95  
% 1.74/1.95  formula_list(usable).
% 1.74/1.95  all A (A=A).
% 1.74/1.95  all G X Y (group_member(X,G)&group_member(Y,G)->group_member(multiply(G,X,Y),G)).
% 1.74/1.95  all G X Y Z (group_member(X,G)&group_member(Y,G)&group_member(Z,G)->multiply(G,multiply(G,X,Y),Z)=multiply(G,X,multiply(G,Y,Z))).
% 1.74/1.95  all X (group_member(X,f)->group_member(phi(X),h)).
% 1.74/1.95  all X Y (group_member(X,f)&group_member(Y,f)->multiply(h,phi(X),phi(Y))=phi(multiply(f,X,Y))).
% 1.74/1.95  all X (group_member(X,h)-> (exists Y (group_member(Y,f)&phi(Y)=X))).
% 1.74/1.95  all G X (left_zero(G,X)<->group_member(X,G)& (all Y (group_member(Y,G)->multiply(G,X,Y)=X))).
% 1.74/1.95  left_zero(f,f_left_zero).
% 1.74/1.95  -left_zero(h,phi(f_left_zero)).
% 1.74/1.95  end_of_list.
% 1.74/1.95  
% 1.74/1.95  -------> usable clausifies to:
% 1.74/1.95  
% 1.74/1.95  list(usable).
% 1.74/1.95  0 [] A=A.
% 1.74/1.95  0 [] -group_member(X,G)| -group_member(Y,G)|group_member(multiply(G,X,Y),G).
% 1.74/1.95  0 [] -group_member(X,G)| -group_member(Y,G)| -group_member(Z,G)|multiply(G,multiply(G,X,Y),Z)=multiply(G,X,multiply(G,Y,Z)).
% 1.74/1.95  0 [] -group_member(X,f)|group_member(phi(X),h).
% 1.74/1.95  0 [] -group_member(X,f)| -group_member(Y,f)|multiply(h,phi(X),phi(Y))=phi(multiply(f,X,Y)).
% 1.74/1.95  0 [] -group_member(X,h)|group_member($f1(X),f).
% 1.74/1.95  0 [] -group_member(X,h)|phi($f1(X))=X.
% 1.74/1.95  0 [] -left_zero(G,X)|group_member(X,G).
% 1.74/1.95  0 [] -left_zero(G,X)| -group_member(Y,G)|multiply(G,X,Y)=X.
% 1.74/1.95  0 [] left_zero(G,X)| -group_member(X,G)|group_member($f2(G,X),G).
% 1.74/1.95  0 [] left_zero(G,X)| -group_member(X,G)|multiply(G,X,$f2(G,X))!=X.
% 1.74/1.95  0 [] left_zero(f,f_left_zero).
% 1.74/1.95  0 [] -left_zero(h,phi(f_left_zero)).
% 1.74/1.95  end_of_list.
% 1.74/1.95  
% 1.74/1.95  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.74/1.95  
% 1.74/1.95  This ia a non-Horn set with equality.  The strategy will be
% 1.74/1.95  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.74/1.95  deletion, with positive clauses in sos and nonpositive
% 1.74/1.95  clauses in usable.
% 1.74/1.95  
% 1.74/1.95     dependent: set(knuth_bendix).
% 1.74/1.95     dependent: set(anl_eq).
% 1.74/1.95     dependent: set(para_from).
% 1.74/1.95     dependent: set(para_into).
% 1.74/1.95     dependent: clear(para_from_right).
% 1.74/1.95     dependent: clear(para_into_right).
% 1.74/1.95     dependent: set(para_from_vars).
% 1.74/1.95     dependent: set(eq_units_both_ways).
% 1.74/1.95     dependent: set(dynamic_demod_all).
% 1.74/1.95     dependent: set(dynamic_demod).
% 1.74/1.95     dependent: set(order_eq).
% 1.74/1.95     dependent: set(back_demod).
% 1.74/1.95     dependent: set(lrpo).
% 1.74/1.95     dependent: set(hyper_res).
% 1.74/1.95     dependent: set(unit_deletion).
% 1.74/1.95     dependent: set(factor).
% 1.74/1.95  
% 1.74/1.95  ------------> process usable:
% 1.74/1.95  ** KEPT (pick-wt=12): 1 [] -group_member(A,B)| -group_member(C,B)|group_member(multiply(B,A,C),B).
% 1.74/1.95  ** KEPT (pick-wt=24): 2 [] -group_member(A,B)| -group_member(C,B)| -group_member(D,B)|multiply(B,multiply(B,A,C),D)=multiply(B,A,multiply(B,C,D)).
% 1.74/1.95  ** KEPT (pick-wt=7): 3 [] -group_member(A,f)|group_member(phi(A),h).
% 1.74/1.95  ** KEPT (pick-wt=18): 5 [copy,4,flip.3] -group_member(A,f)| -group_member(B,f)|phi(multiply(f,A,B))=multiply(h,phi(A),phi(B)).
% 1.74/1.95  ** KEPT (pick-wt=7): 6 [] -group_member(A,h)|group_member($f1(A),f).
% 1.74/1.95  ** KEPT (pick-wt=8): 7 [] -group_member(A,h)|phi($f1(A))=A.
% 1.74/1.95  ** KEPT (pick-wt=6): 8 [] -left_zero(A,B)|group_member(B,A).
% 1.74/1.95  ** KEPT (pick-wt=12): 9 [] -left_zero(A,B)| -group_member(C,A)|multiply(A,B,C)=B.
% 1.74/1.95  ** KEPT (pick-wt=11): 10 [] left_zero(A,B)| -group_member(B,A)|group_member($f2(A,B),A).
% 1.74/1.95  ** KEPT (pick-wt=14): 11 [] left_zero(A,B)| -group_member(B,A)|multiply(A,B,$f2(A,B))!=B.
% 1.74/1.95  ** KEPT (pick-wt=4): 12 [] -left_zero(h,phi(f_left_zero)).
% 1.74/1.95  
% 1.74/1.95  ------------> process sos:
% 1.74/1.95  ** KEPT (pick-wt=3): 19 [] A=A.
% 1.74/1.95  ** KEPT (pick-wt=3): 20 [] left_zero(f,f_left_zero).
% 1.74/1.95    Following clause subsumed by 19 during input processing: 0 [copy,19,flip.1] A=A.
% 1.74/1.95  
% 1.74/1.95  ======= end of input processing =======
% 1.74/1.95  
% 1.74/1.95  =========== start of search ===========
% 1.74/1.95  
% 1.74/1.95  -------- PROOF -------- 
% 1.74/1.95  
% 1.74/1.95  ----> UNIT CONFLICT at   0.02 sec ----> 518 [binary,517.1,12.1] $F.
% 1.74/1.95  
% 1.74/1.95  Length of proof is 9.  Level of proof is 7.
% 1.74/1.95  
% 1.74/1.95  ---------------- PROOF ----------------
% 1.74/1.95  % SZS status Theorem
% 1.74/1.95  % SZS output start Refutation
% See solution above
% 1.74/1.95  ------------ end of proof -------------
% 1.74/1.95  
% 1.74/1.95  
% 1.74/1.95  Search stopped by max_proofs option.
% 1.74/1.95  
% 1.74/1.95  
% 1.74/1.95  Search stopped by max_proofs option.
% 1.74/1.95  
% 1.74/1.95  ============ end of search ============
% 1.74/1.95  
% 1.74/1.95  -------------- statistics -------------
% 1.74/1.95  clauses given                 22
% 1.74/1.95  clauses generated            734
% 1.74/1.95  clauses kept                 289
% 1.74/1.95  clauses forward subsumed     508
% 1.74/1.95  clauses back subsumed          0
% 1.74/1.95  Kbytes malloced             2929
% 1.74/1.95  
% 1.74/1.95  ----------- times (seconds) -----------
% 1.74/1.95  user CPU time          0.02          (0 hr, 0 min, 0 sec)
% 1.74/1.95  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.74/1.95  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.74/1.95  
% 1.74/1.95  That finishes the proof of the theorem.
% 1.74/1.95  
% 1.74/1.95  Process 7592 finished Wed Jul 27 05:27:38 2022
% 1.74/1.95  Otter interrupted
% 1.74/1.95  PROOF FOUND
%------------------------------------------------------------------------------