TSTP Solution File: SET839-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET839-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n022.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 13:14:22 EDT 2022

% Result   : Unsatisfiable 1.82s 1.98s
% Output   : Refutation 1.82s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   11 (   7 unt;   1 nHn;   6 RR)
%            Number of literals    :   17 (   2 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-3 aty)
%            Number of variables   :   22 (   9 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ c_lesse_quals(v_S,c_insert(A,c_emptyset,tc_set(t_a)),tc_set(tc_set(t_a))),
    file('SET839-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( c_lesse_quals(A,B,tc_set(t_a))
    | ~ c_in(B,v_S,tc_set(t_a))
    | ~ c_in(A,v_S,tc_set(t_a)) ),
    file('SET839-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ c_in(c_Main_OsubsetI__1(A,B,C),B,C)
    | c_lesse_quals(A,B,tc_set(C)) ),
    file('SET839-2.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ c_lesse_quals(A,B,tc_set(C))
    | ~ c_lesse_quals(B,A,tc_set(C))
    | B = A ),
    file('SET839-2.p',unknown),
    [] ).

cnf(8,axiom,
    c_in(A,c_insert(A,B,C),C),
    file('SET839-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( c_in(c_Main_OsubsetI__1(A,B,C),A,C)
    | c_lesse_quals(A,B,tc_set(C)) ),
    file('SET839-2.p',unknown),
    [] ).

cnf(12,plain,
    c_in(c_Main_OsubsetI__1(v_S,c_insert(A,c_emptyset,tc_set(t_a)),tc_set(t_a)),v_S,tc_set(t_a)),
    inference(hyper,[status(thm)],[9,1]),
    [iquote('hyper,9,1')] ).

cnf(16,plain,
    c_lesse_quals(c_Main_OsubsetI__1(v_S,c_insert(A,c_emptyset,tc_set(t_a)),tc_set(t_a)),c_Main_OsubsetI__1(v_S,c_insert(B,c_emptyset,tc_set(t_a)),tc_set(t_a)),tc_set(t_a)),
    inference(hyper,[status(thm)],[12,2,12]),
    [iquote('hyper,12,2,12')] ).

cnf(85,plain,
    c_Main_OsubsetI__1(v_S,c_insert(A,c_emptyset,tc_set(t_a)),tc_set(t_a)) = c_Main_OsubsetI__1(v_S,c_insert(B,c_emptyset,tc_set(t_a)),tc_set(t_a)),
    inference(hyper,[status(thm)],[16,4,16]),
    [iquote('hyper,16,4,16')] ).

cnf(138,plain,
    ~ c_in(c_Main_OsubsetI__1(v_S,c_insert(A,c_emptyset,tc_set(t_a)),tc_set(t_a)),c_insert(B,c_emptyset,tc_set(t_a)),tc_set(t_a)),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[85,3]),1]),
    [iquote('para_from,85.1.1,3.1.1,unit_del,1')] ).

cnf(139,plain,
    $false,
    inference(binary,[status(thm)],[138,8]),
    [iquote('binary,138.1,8.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SET839-2 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.14  % Command  : otter-tptp-script %s
% 0.14/0.35  % Computer : n022.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Wed Jul 27 10:42:50 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 1.82/1.98  ----- Otter 3.3f, August 2004 -----
% 1.82/1.98  The process was started by sandbox on n022.cluster.edu,
% 1.82/1.98  Wed Jul 27 10:42:50 2022
% 1.82/1.98  The command was "./otter".  The process ID is 28013.
% 1.82/1.98  
% 1.82/1.98  set(prolog_style_variables).
% 1.82/1.98  set(auto).
% 1.82/1.98     dependent: set(auto1).
% 1.82/1.98     dependent: set(process_input).
% 1.82/1.98     dependent: clear(print_kept).
% 1.82/1.98     dependent: clear(print_new_demod).
% 1.82/1.98     dependent: clear(print_back_demod).
% 1.82/1.98     dependent: clear(print_back_sub).
% 1.82/1.98     dependent: set(control_memory).
% 1.82/1.98     dependent: assign(max_mem, 12000).
% 1.82/1.98     dependent: assign(pick_given_ratio, 4).
% 1.82/1.98     dependent: assign(stats_level, 1).
% 1.82/1.98     dependent: assign(max_seconds, 10800).
% 1.82/1.98  clear(print_given).
% 1.82/1.98  
% 1.82/1.98  list(usable).
% 1.82/1.98  0 [] A=A.
% 1.82/1.98  0 [] -c_lesse_quals(v_S,c_insert(V_U,c_emptyset,tc_set(t_a)),tc_set(tc_set(t_a))).
% 1.82/1.98  0 [] c_lesse_quals(V_U,V_V,tc_set(t_a))| -c_in(V_V,v_S,tc_set(t_a))| -c_in(V_U,v_S,tc_set(t_a)).
% 1.82/1.98  0 [] c_in(V_x,c_insert(V_x,V_B,T_a),T_a).
% 1.82/1.98  0 [] c_in(c_Main_OsubsetI__1(V_A,V_B,T_a),V_A,T_a)|c_lesse_quals(V_A,V_B,tc_set(T_a)).
% 1.82/1.98  0 [] -c_in(c_Main_OsubsetI__1(V_A,V_B,T_a),V_B,T_a)|c_lesse_quals(V_A,V_B,tc_set(T_a)).
% 1.82/1.98  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.
% 1.82/1.98  end_of_list.
% 1.82/1.98  
% 1.82/1.98  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 1.82/1.98  
% 1.82/1.98  This ia a non-Horn set with equality.  The strategy will be
% 1.82/1.98  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.82/1.98  deletion, with positive clauses in sos and nonpositive
% 1.82/1.98  clauses in usable.
% 1.82/1.98  
% 1.82/1.98     dependent: set(knuth_bendix).
% 1.82/1.98     dependent: set(anl_eq).
% 1.82/1.98     dependent: set(para_from).
% 1.82/1.98     dependent: set(para_into).
% 1.82/1.98     dependent: clear(para_from_right).
% 1.82/1.98     dependent: clear(para_into_right).
% 1.82/1.98     dependent: set(para_from_vars).
% 1.82/1.98     dependent: set(eq_units_both_ways).
% 1.82/1.98     dependent: set(dynamic_demod_all).
% 1.82/1.98     dependent: set(dynamic_demod).
% 1.82/1.98     dependent: set(order_eq).
% 1.82/1.98     dependent: set(back_demod).
% 1.82/1.98     dependent: set(lrpo).
% 1.82/1.98     dependent: set(hyper_res).
% 1.82/1.98     dependent: set(unit_deletion).
% 1.82/1.98     dependent: set(factor).
% 1.82/1.98  
% 1.82/1.98  ------------> process usable:
% 1.82/1.98  ** KEPT (pick-wt=10): 1 [] -c_lesse_quals(v_S,c_insert(A,c_emptyset,tc_set(t_a)),tc_set(tc_set(t_a))).
% 1.82/1.98  ** KEPT (pick-wt=15): 2 [] c_lesse_quals(A,B,tc_set(t_a))| -c_in(B,v_S,tc_set(t_a))| -c_in(A,v_S,tc_set(t_a)).
% 1.82/1.98  ** KEPT (pick-wt=12): 3 [] -c_in(c_Main_OsubsetI__1(A,B,C),B,C)|c_lesse_quals(A,B,tc_set(C)).
% 1.82/1.98  ** KEPT (pick-wt=13): 4 [] -c_lesse_quals(A,B,tc_set(C))| -c_lesse_quals(B,A,tc_set(C))|B=A.
% 1.82/1.98  
% 1.82/1.98  ------------> process sos:
% 1.82/1.98  ** KEPT (pick-wt=3): 7 [] A=A.
% 1.82/1.98  ** KEPT (pick-wt=7): 8 [] c_in(A,c_insert(A,B,C),C).
% 1.82/1.98  ** KEPT (pick-wt=12): 9 [] c_in(c_Main_OsubsetI__1(A,B,C),A,C)|c_lesse_quals(A,B,tc_set(C)).
% 1.82/1.98    Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] A=A.
% 1.82/1.98  7 back subsumes 6.
% 1.82/1.98  
% 1.82/1.98  ======= end of input processing =======
% 1.82/1.98  
% 1.82/1.98  =========== start of search ===========
% 1.82/1.98  
% 1.82/1.98  -------- PROOF -------- 
% 1.82/1.98  
% 1.82/1.98  ----> UNIT CONFLICT at   0.01 sec ----> 139 [binary,138.1,8.1] $F.
% 1.82/1.98  
% 1.82/1.98  Length of proof is 4.  Level of proof is 4.
% 1.82/1.98  
% 1.82/1.98  ---------------- PROOF ----------------
% 1.82/1.98  % SZS status Unsatisfiable
% 1.82/1.98  % SZS output start Refutation
% See solution above
% 1.82/1.98  ------------ end of proof -------------
% 1.82/1.98  
% 1.82/1.98  
% 1.82/1.98  Search stopped by max_proofs option.
% 1.82/1.98  
% 1.82/1.98  
% 1.82/1.98  Search stopped by max_proofs option.
% 1.82/1.98  
% 1.82/1.98  ============ end of search ============
% 1.82/1.98  
% 1.82/1.98  -------------- statistics -------------
% 1.82/1.98  clauses given                  8
% 1.82/1.98  clauses generated            303
% 1.82/1.98  clauses kept                 138
% 1.82/1.98  clauses forward subsumed     174
% 1.82/1.98  clauses back subsumed          2
% 1.82/1.98  Kbytes malloced             1953
% 1.82/1.98  
% 1.82/1.98  ----------- times (seconds) -----------
% 1.82/1.98  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 1.82/1.98  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.82/1.98  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.82/1.98  
% 1.82/1.98  That finishes the proof of the theorem.
% 1.82/1.98  
% 1.82/1.98  Process 28013 finished Wed Jul 27 10:42:52 2022
% 1.82/1.98  Otter interrupted
% 1.82/1.98  PROOF FOUND
%------------------------------------------------------------------------------