TSTP Solution File: SET845-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET845-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n012.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 13:14:23 EDT 2022

% Result   : Unsatisfiable 1.63s 1.86s
% Output   : Refutation 1.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   13 (  10 unt;   0 nHn;  12 RR)
%            Number of literals    :   17 (   6 equ;   6 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-3 aty)
%            Number of variables   :   12 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ c_in(A,B,tc_set(C))
    | c_lesse_quals(A,c_Union(B,C),tc_set(C)) ),
    file('SET845-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_lesse_quals(A,B,tc_set(C))
    | ~ c_lesse_quals(B,A,tc_set(C))
    | B = A ),
    file('SET845-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ c_in(A,c_Zorn_OTFin(B,C),tc_set(tc_set(C)))
    | c_in(c_Zorn_Osucc(B,A,C),c_Zorn_OTFin(B,C),tc_set(tc_set(C))) ),
    file('SET845-2.p',unknown),
    [] ).

cnf(4,axiom,
    v_m != c_Zorn_Osucc(v_S,v_m,t_a),
    file('SET845-2.p',unknown),
    [] ).

cnf(5,plain,
    c_Zorn_Osucc(v_S,v_m,t_a) != v_m,
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[4])]),
    [iquote('copy,4,flip.1')] ).

cnf(7,axiom,
    c_lesse_quals(A,c_Zorn_Osucc(B,A,C),tc_set(tc_set(C))),
    file('SET845-2.p',unknown),
    [] ).

cnf(8,axiom,
    c_in(v_m,c_Zorn_OTFin(v_S,t_a),tc_set(tc_set(t_a))),
    file('SET845-2.p',unknown),
    [] ).

cnf(9,axiom,
    v_m = c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),
    file('SET845-2.p',unknown),
    [] ).

cnf(11,plain,
    c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)) = v_m,
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[9])]),
    [iquote('copy,9,flip.1')] ).

cnf(12,plain,
    c_in(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OTFin(v_S,t_a),tc_set(tc_set(t_a))),
    inference(hyper,[status(thm)],[8,3]),
    [iquote('hyper,8,3')] ).

cnf(36,plain,
    c_lesse_quals(c_Zorn_Osucc(v_S,v_m,t_a),v_m,tc_set(tc_set(t_a))),
    inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[12,1]),11]),
    [iquote('hyper,12,1,demod,11')] ).

cnf(47,plain,
    c_Zorn_Osucc(v_S,v_m,t_a) = v_m,
    inference(hyper,[status(thm)],[36,2,7]),
    [iquote('hyper,36,2,7')] ).

cnf(49,plain,
    $false,
    inference(binary,[status(thm)],[47,5]),
    [iquote('binary,47.1,5.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SET845-2 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n012.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 10:53:35 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.63/1.86  ----- Otter 3.3f, August 2004 -----
% 1.63/1.86  The process was started by sandbox on n012.cluster.edu,
% 1.63/1.86  Wed Jul 27 10:53:35 2022
% 1.63/1.86  The command was "./otter".  The process ID is 14152.
% 1.63/1.86  
% 1.63/1.86  set(prolog_style_variables).
% 1.63/1.86  set(auto).
% 1.63/1.86     dependent: set(auto1).
% 1.63/1.86     dependent: set(process_input).
% 1.63/1.86     dependent: clear(print_kept).
% 1.63/1.86     dependent: clear(print_new_demod).
% 1.63/1.86     dependent: clear(print_back_demod).
% 1.63/1.86     dependent: clear(print_back_sub).
% 1.63/1.86     dependent: set(control_memory).
% 1.63/1.86     dependent: assign(max_mem, 12000).
% 1.63/1.86     dependent: assign(pick_given_ratio, 4).
% 1.63/1.86     dependent: assign(stats_level, 1).
% 1.63/1.86     dependent: assign(max_seconds, 10800).
% 1.63/1.86  clear(print_given).
% 1.63/1.86  
% 1.63/1.86  list(usable).
% 1.63/1.86  0 [] A=A.
% 1.63/1.86  0 [] -c_in(V_B,V_A,tc_set(T_a))|c_lesse_quals(V_B,c_Union(V_A,T_a),tc_set(T_a)).
% 1.63/1.86  0 [] -c_lesse_quals(V_B,V_A,tc_set(T_a))| -c_lesse_quals(V_A,V_B,tc_set(T_a))|V_A=V_B.
% 1.63/1.86  0 [] c_lesse_quals(V_x,c_Zorn_Osucc(V_S,V_x,T_a),tc_set(tc_set(T_a))).
% 1.63/1.86  0 [] -c_in(V_x,c_Zorn_OTFin(V_S,T_a),tc_set(tc_set(T_a)))|c_in(c_Zorn_Osucc(V_S,V_x,T_a),c_Zorn_OTFin(V_S,T_a),tc_set(tc_set(T_a))).
% 1.63/1.86  0 [] c_in(v_m,c_Zorn_OTFin(v_S,t_a),tc_set(tc_set(t_a))).
% 1.63/1.86  0 [] v_m=c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)).
% 1.63/1.86  0 [] v_m!=c_Zorn_Osucc(v_S,v_m,t_a).
% 1.63/1.86  end_of_list.
% 1.63/1.86  
% 1.63/1.86  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 1.63/1.86  
% 1.63/1.86  This is a Horn set with equality.  The strategy will be
% 1.63/1.86  Knuth-Bendix and hyper_res, with positive clauses in
% 1.63/1.86  sos and nonpositive clauses in usable.
% 1.63/1.86  
% 1.63/1.86     dependent: set(knuth_bendix).
% 1.63/1.86     dependent: set(anl_eq).
% 1.63/1.86     dependent: set(para_from).
% 1.63/1.86     dependent: set(para_into).
% 1.63/1.86     dependent: clear(para_from_right).
% 1.63/1.86     dependent: clear(para_into_right).
% 1.63/1.86     dependent: set(para_from_vars).
% 1.63/1.86     dependent: set(eq_units_both_ways).
% 1.63/1.86     dependent: set(dynamic_demod_all).
% 1.63/1.86     dependent: set(dynamic_demod).
% 1.63/1.86     dependent: set(order_eq).
% 1.63/1.86     dependent: set(back_demod).
% 1.63/1.86     dependent: set(lrpo).
% 1.63/1.86     dependent: set(hyper_res).
% 1.63/1.86     dependent: clear(order_hyper).
% 1.63/1.86  
% 1.63/1.86  ------------> process usable:
% 1.63/1.86  ** KEPT (pick-wt=12): 1 [] -c_in(A,B,tc_set(C))|c_lesse_quals(A,c_Union(B,C),tc_set(C)).
% 1.63/1.86  ** KEPT (pick-wt=13): 2 [] -c_lesse_quals(A,B,tc_set(C))| -c_lesse_quals(B,A,tc_set(C))|B=A.
% 1.63/1.86  ** KEPT (pick-wt=19): 3 [] -c_in(A,c_Zorn_OTFin(B,C),tc_set(tc_set(C)))|c_in(c_Zorn_Osucc(B,A,C),c_Zorn_OTFin(B,C),tc_set(tc_set(C))).
% 1.63/1.86  ** KEPT (pick-wt=6): 5 [copy,4,flip.1] c_Zorn_Osucc(v_S,v_m,t_a)!=v_m.
% 1.63/1.86  
% 1.63/1.86  ------------> process sos:
% 1.63/1.86  ** KEPT (pick-wt=3): 6 [] A=A.
% 1.63/1.86  ** KEPT (pick-wt=9): 7 [] c_lesse_quals(A,c_Zorn_Osucc(B,A,C),tc_set(tc_set(C))).
% 1.63/1.86  ** KEPT (pick-wt=8): 8 [] c_in(v_m,c_Zorn_OTFin(v_S,t_a),tc_set(tc_set(t_a))).
% 1.63/1.86  ** KEPT (pick-wt=8): 10 [copy,9,flip.1] c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a))=v_m.
% 1.63/1.86  ---> New Demodulator: 11 [new_demod,10] c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a))=v_m.
% 1.63/1.86    Following clause subsumed by 6 during input processing: 0 [copy,6,flip.1] A=A.
% 1.63/1.86  >>>> Starting back demodulation with 11.
% 1.63/1.86  
% 1.63/1.86  ======= end of input processing =======
% 1.63/1.86  
% 1.63/1.86  =========== start of search ===========
% 1.63/1.86  
% 1.63/1.86  -------- PROOF -------- 
% 1.63/1.86  
% 1.63/1.86  ----> UNIT CONFLICT at   0.00 sec ----> 49 [binary,47.1,5.1] $F.
% 1.63/1.86  
% 1.63/1.86  Length of proof is 5.  Level of proof is 3.
% 1.63/1.86  
% 1.63/1.86  ---------------- PROOF ----------------
% 1.63/1.86  % SZS status Unsatisfiable
% 1.63/1.86  % SZS output start Refutation
% See solution above
% 1.63/1.86  ------------ end of proof -------------
% 1.63/1.86  
% 1.63/1.86  
% 1.63/1.86  Search stopped by max_proofs option.
% 1.63/1.86  
% 1.63/1.86  
% 1.63/1.86  Search stopped by max_proofs option.
% 1.63/1.86  
% 1.63/1.86  ============ end of search ============
% 1.63/1.86  
% 1.63/1.86  -------------- statistics -------------
% 1.63/1.86  clauses given                  7
% 1.63/1.86  clauses generated             41
% 1.63/1.86  clauses kept                  44
% 1.63/1.86  clauses forward subsumed       6
% 1.63/1.86  clauses back subsumed          0
% 1.63/1.86  Kbytes malloced              976
% 1.63/1.86  
% 1.63/1.86  ----------- times (seconds) -----------
% 1.63/1.86  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.63/1.86  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.63/1.86  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.63/1.86  
% 1.63/1.86  That finishes the proof of the theorem.
% 1.63/1.86  
% 1.63/1.86  Process 14152 finished Wed Jul 27 10:53:37 2022
% 1.63/1.86  Otter interrupted
% 1.63/1.86  PROOF FOUND
%------------------------------------------------------------------------------