TSTP Solution File: LCL441-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL441-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n014.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 13:04:26 EDT 2022

% Result   : Unsatisfiable 1.72s 1.89s
% Output   : Refutation 1.72s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    5 (   3 unt;   0 nHn;   3 RR)
%            Number of literals    :    7 (   0 equ;   3 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    9 (   9 usr;   4 con; 0-3 aty)
%            Number of variables   :    9 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ c_in(c_PropLog_Opl_Oop_A_N_62(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Opl_Ofalse,t_a),c_PropLog_Othms(c_insert(c_PropLog_Opl_Oop_A_N_62(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Opl_Ofalse,t_a),c_emptyset,tc_PropLog_Opl(t_a)),t_a),tc_PropLog_Opl(t_a))
    | ~ c_in(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Othms(c_insert(c_PropLog_Opl_Ovar(v_a,t_a),c_emptyset,tc_PropLog_Opl(t_a)),t_a),tc_PropLog_Opl(t_a)) ),
    file('LCL441-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_in(A,B,tc_PropLog_Opl(C))
    | c_in(A,c_PropLog_Othms(B,C),tc_PropLog_Opl(C)) ),
    file('LCL441-2.p',unknown),
    [] ).

cnf(3,axiom,
    c_in(A,c_insert(A,B,C),C),
    file('LCL441-2.p',unknown),
    [] ).

cnf(4,plain,
    c_in(A,c_PropLog_Othms(c_insert(A,B,tc_PropLog_Opl(C)),C),tc_PropLog_Opl(C)),
    inference(hyper,[status(thm)],[3,2]),
    [iquote('hyper,3,2')] ).

cnf(6,plain,
    $false,
    inference(hyper,[status(thm)],[4,1,4]),
    [iquote('hyper,4,1,4')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL441-2 : TPTP v8.1.0. Released v3.2.0.
% 0.00/0.13  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n014.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Wed Jul 27 09:22:09 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.72/1.89  ----- Otter 3.3f, August 2004 -----
% 1.72/1.89  The process was started by sandbox2 on n014.cluster.edu,
% 1.72/1.89  Wed Jul 27 09:22:09 2022
% 1.72/1.89  The command was "./otter".  The process ID is 11626.
% 1.72/1.89  
% 1.72/1.89  set(prolog_style_variables).
% 1.72/1.89  set(auto).
% 1.72/1.89     dependent: set(auto1).
% 1.72/1.89     dependent: set(process_input).
% 1.72/1.89     dependent: clear(print_kept).
% 1.72/1.89     dependent: clear(print_new_demod).
% 1.72/1.89     dependent: clear(print_back_demod).
% 1.72/1.89     dependent: clear(print_back_sub).
% 1.72/1.89     dependent: set(control_memory).
% 1.72/1.89     dependent: assign(max_mem, 12000).
% 1.72/1.89     dependent: assign(pick_given_ratio, 4).
% 1.72/1.89     dependent: assign(stats_level, 1).
% 1.72/1.89     dependent: assign(max_seconds, 10800).
% 1.72/1.89  clear(print_given).
% 1.72/1.89  
% 1.72/1.89  list(usable).
% 1.72/1.89  0 [] -c_in(c_PropLog_Opl_Oop_A_N_62(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Opl_Ofalse,t_a),c_PropLog_Othms(c_insert(c_PropLog_Opl_Oop_A_N_62(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Opl_Ofalse,t_a),c_emptyset,tc_PropLog_Opl(t_a)),t_a),tc_PropLog_Opl(t_a))| -c_in(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Othms(c_insert(c_PropLog_Opl_Ovar(v_a,t_a),c_emptyset,tc_PropLog_Opl(t_a)),t_a),tc_PropLog_Opl(t_a)).
% 1.72/1.89  0 [] -c_in(V_p,V_H,tc_PropLog_Opl(T_a))|c_in(V_p,c_PropLog_Othms(V_H,T_a),tc_PropLog_Opl(T_a)).
% 1.72/1.89  0 [] c_in(V_x,c_insert(V_x,V_B,T_a),T_a).
% 1.72/1.89  end_of_list.
% 1.72/1.89  
% 1.72/1.89  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=2.
% 1.72/1.89  
% 1.72/1.89  This is a Horn set without equality.  The strategy will
% 1.72/1.89  be hyperresolution, with satellites in sos and nuclei
% 1.72/1.89  in usable.
% 1.72/1.89  
% 1.72/1.89     dependent: set(hyper_res).
% 1.72/1.89     dependent: clear(order_hyper).
% 1.72/1.89  
% 1.72/1.89  ------------> process usable:
% 1.72/1.89  ** KEPT (pick-wt=36): 1 [] -c_in(c_PropLog_Opl_Oop_A_N_62(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Opl_Ofalse,t_a),c_PropLog_Othms(c_insert(c_PropLog_Opl_Oop_A_N_62(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Opl_Ofalse,t_a),c_emptyset,tc_PropLog_Opl(t_a)),t_a),tc_PropLog_Opl(t_a))| -c_in(c_PropLog_Opl_Ovar(v_a,t_a),c_PropLog_Othms(c_insert(c_PropLog_Opl_Ovar(v_a,t_a),c_emptyset,tc_PropLog_Opl(t_a)),t_a),tc_PropLog_Opl(t_a)).
% 1.72/1.89  ** KEPT (pick-wt=12): 2 [] -c_in(A,B,tc_PropLog_Opl(C))|c_in(A,c_PropLog_Othms(B,C),tc_PropLog_Opl(C)).
% 1.72/1.89  
% 1.72/1.89  ------------> process sos:
% 1.72/1.89  ** KEPT (pick-wt=7): 3 [] c_in(A,c_insert(A,B,C),C).
% 1.72/1.89  
% 1.72/1.89  ======= end of input processing =======
% 1.72/1.89  
% 1.72/1.89  =========== start of search ===========
% 1.72/1.89  
% 1.72/1.89  -------- PROOF -------- 
% 1.72/1.89  
% 1.72/1.89  -----> EMPTY CLAUSE at   0.00 sec ----> 6 [hyper,4,1,4] $F.
% 1.72/1.89  
% 1.72/1.89  Length of proof is 1.  Level of proof is 1.
% 1.72/1.89  
% 1.72/1.89  ---------------- PROOF ----------------
% 1.72/1.89  % SZS status Unsatisfiable
% 1.72/1.89  % SZS output start Refutation
% See solution above
% 1.72/1.89  ------------ end of proof -------------
% 1.72/1.89  
% 1.72/1.89  
% 1.72/1.89  Search stopped by max_proofs option.
% 1.72/1.89  
% 1.72/1.89  
% 1.72/1.89  Search stopped by max_proofs option.
% 1.72/1.89  
% 1.72/1.89  ============ end of search ============
% 1.72/1.89  
% 1.72/1.89  -------------- statistics -------------
% 1.72/1.89  clauses given                  2
% 1.72/1.89  clauses generated              3
% 1.72/1.89  clauses kept                   5
% 1.72/1.89  clauses forward subsumed       0
% 1.72/1.89  clauses back subsumed          0
% 1.72/1.89  Kbytes malloced              976
% 1.72/1.89  
% 1.72/1.89  ----------- times (seconds) -----------
% 1.72/1.89  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.72/1.89  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.72/1.89  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.72/1.89  
% 1.72/1.89  That finishes the proof of the theorem.
% 1.72/1.89  
% 1.72/1.89  Process 11626 finished Wed Jul 27 09:22:10 2022
% 1.72/1.89  Otter interrupted
% 1.72/1.89  PROOF FOUND
%------------------------------------------------------------------------------