TSTP Solution File: LAT269-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LAT269-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n027.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 13:02:15 EDT 2022

% Result   : Unsatisfiable 1.66s 1.88s
% Output   : Refutation 1.66s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   10 (   8 unt;   1 nHn;  10 RR)
%            Number of literals    :   14 (   6 equ;   5 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :   16 (  16 usr;  10 con; 0-5 aty)
%            Number of variables   :    3 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ c_in(c_Tarski_Opotype_Opotype__ext(v_intY1,c_Tarski_Oinduced(v_intY1,v_r,t_a),c_Product__Type_OUnity,t_a,tc_Product__Type_Ounit),c_Tarski_OCompleteLattice,tc_Tarski_Opotype_Opotype__ext__type(t_a,tc_Product__Type_Ounit)),
    file('LAT269-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_in(A,v_A,t_a)
    | ~ c_in(B,v_A,t_a)
    | c_in(c_Tarski_Opotype_Opotype__ext(c_Tarski_Ointerval(v_r,B,A,t_a),c_Tarski_Oinduced(c_Tarski_Ointerval(v_r,B,A,t_a),v_r,t_a),c_Product__Type_OUnity,t_a,tc_Product__Type_Ounit),c_Tarski_OCompleteLattice,tc_Tarski_Opotype_Opotype__ext__type(t_a,tc_Product__Type_Ounit))
    | c_Tarski_Ointerval(v_r,B,A,t_a) = c_emptyset ),
    file('LAT269-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ c_in(A,v_A,t_a)
    | c_Tarski_Ointerval(v_r,A,c_Tarski_OTop(v_cl,t_a),t_a) != c_emptyset ),
    file('LAT269-2.p',unknown),
    [] ).

cnf(6,axiom,
    c_in(c_Tarski_OTop(v_cl,t_a),v_A,t_a),
    file('LAT269-2.p',unknown),
    [] ).

cnf(7,axiom,
    v_intY1 = c_Tarski_Ointerval(v_r,c_Tarski_Olub(v_Y,v_cl,t_a),c_Tarski_OTop(v_cl,t_a),t_a),
    file('LAT269-2.p',unknown),
    [] ).

cnf(9,plain,
    c_Tarski_Ointerval(v_r,c_Tarski_Olub(v_Y,v_cl,t_a),c_Tarski_OTop(v_cl,t_a),t_a) = v_intY1,
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[7])]),
    [iquote('copy,7,flip.1')] ).

cnf(10,axiom,
    c_in(c_Tarski_Olub(v_Y,v_cl,t_a),v_A,t_a),
    file('LAT269-2.p',unknown),
    [] ).

cnf(14,plain,
    v_intY1 = c_emptyset,
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[10,2,6]),9,9,9]),1]),
    [iquote('hyper,10,2,6,demod,9,9,9,unit_del,1')] ).

cnf(16,plain,
    c_Tarski_Ointerval(v_r,c_Tarski_Olub(v_Y,v_cl,t_a),c_Tarski_OTop(v_cl,t_a),t_a) = c_emptyset,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[9]),14]),
    [iquote('back_demod,8,demod,14')] ).

cnf(19,plain,
    $false,
    inference(hyper,[status(thm)],[16,3,10]),
    [iquote('hyper,16,3,10')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : LAT269-2 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.12  % Command  : otter-tptp-script %s
% 0.11/0.33  % Computer : n027.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Wed Jul 27 08:51:36 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 1.66/1.88  ----- Otter 3.3f, August 2004 -----
% 1.66/1.88  The process was started by sandbox2 on n027.cluster.edu,
% 1.66/1.88  Wed Jul 27 08:51:36 2022
% 1.66/1.88  The command was "./otter".  The process ID is 21203.
% 1.66/1.88  
% 1.66/1.88  set(prolog_style_variables).
% 1.66/1.88  set(auto).
% 1.66/1.88     dependent: set(auto1).
% 1.66/1.88     dependent: set(process_input).
% 1.66/1.88     dependent: clear(print_kept).
% 1.66/1.88     dependent: clear(print_new_demod).
% 1.66/1.88     dependent: clear(print_back_demod).
% 1.66/1.88     dependent: clear(print_back_sub).
% 1.66/1.88     dependent: set(control_memory).
% 1.66/1.88     dependent: assign(max_mem, 12000).
% 1.66/1.88     dependent: assign(pick_given_ratio, 4).
% 1.66/1.88     dependent: assign(stats_level, 1).
% 1.66/1.88     dependent: assign(max_seconds, 10800).
% 1.66/1.88  clear(print_given).
% 1.66/1.88  
% 1.66/1.88  list(usable).
% 1.66/1.88  0 [] A=A.
% 1.66/1.88  0 [] -c_in(c_Tarski_Opotype_Opotype__ext(v_intY1,c_Tarski_Oinduced(v_intY1,v_r,t_a),c_Product__Type_OUnity,t_a,tc_Product__Type_Ounit),c_Tarski_OCompleteLattice,tc_Tarski_Opotype_Opotype__ext__type(t_a,tc_Product__Type_Ounit)).
% 1.66/1.88  0 [] c_in(c_Tarski_OTop(v_cl,t_a),v_A,t_a).
% 1.66/1.88  0 [] -c_in(V_b,v_A,t_a)| -c_in(V_a,v_A,t_a)|c_in(c_Tarski_Opotype_Opotype__ext(c_Tarski_Ointerval(v_r,V_a,V_b,t_a),c_Tarski_Oinduced(c_Tarski_Ointerval(v_r,V_a,V_b,t_a),v_r,t_a),c_Product__Type_OUnity,t_a,tc_Product__Type_Ounit),c_Tarski_OCompleteLattice,tc_Tarski_Opotype_Opotype__ext__type(t_a,tc_Product__Type_Ounit))|c_Tarski_Ointerval(v_r,V_a,V_b,t_a)=c_emptyset.
% 1.66/1.88  0 [] v_intY1=c_Tarski_Ointerval(v_r,c_Tarski_Olub(v_Y,v_cl,t_a),c_Tarski_OTop(v_cl,t_a),t_a).
% 1.66/1.88  0 [] c_in(c_Tarski_Olub(v_Y,v_cl,t_a),v_A,t_a).
% 1.66/1.88  0 [] -c_in(V_x,v_A,t_a)|c_Tarski_Ointerval(v_r,V_x,c_Tarski_OTop(v_cl,t_a),t_a)!=c_emptyset.
% 1.66/1.88  end_of_list.
% 1.66/1.88  
% 1.66/1.88  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.66/1.88  
% 1.66/1.88  This ia a non-Horn set with equality.  The strategy will be
% 1.66/1.88  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.66/1.88  deletion, with positive clauses in sos and nonpositive
% 1.66/1.88  clauses in usable.
% 1.66/1.88  
% 1.66/1.88     dependent: set(knuth_bendix).
% 1.66/1.88     dependent: set(anl_eq).
% 1.66/1.88     dependent: set(para_from).
% 1.66/1.88     dependent: set(para_into).
% 1.66/1.88     dependent: clear(para_from_right).
% 1.66/1.88     dependent: clear(para_into_right).
% 1.66/1.88     dependent: set(para_from_vars).
% 1.66/1.88     dependent: set(eq_units_both_ways).
% 1.66/1.88     dependent: set(dynamic_demod_all).
% 1.66/1.88     dependent: set(dynamic_demod).
% 1.66/1.88     dependent: set(order_eq).
% 1.66/1.88     dependent: set(back_demod).
% 1.66/1.88     dependent: set(lrpo).
% 1.66/1.88     dependent: set(hyper_res).
% 1.66/1.88     dependent: set(unit_deletion).
% 1.66/1.88     dependent: set(factor).
% 1.66/1.88  
% 1.66/1.88  ------------> process usable:
% 1.66/1.88  ** KEPT (pick-wt=14): 1 [] -c_in(c_Tarski_Opotype_Opotype__ext(v_intY1,c_Tarski_Oinduced(v_intY1,v_r,t_a),c_Product__Type_OUnity,t_a,tc_Product__Type_Ounit),c_Tarski_OCompleteLattice,tc_Tarski_Opotype_Opotype__ext__type(t_a,tc_Product__Type_Ounit)).
% 1.66/1.88  ** KEPT (pick-wt=37): 2 [] -c_in(A,v_A,t_a)| -c_in(B,v_A,t_a)|c_in(c_Tarski_Opotype_Opotype__ext(c_Tarski_Ointerval(v_r,B,A,t_a),c_Tarski_Oinduced(c_Tarski_Ointerval(v_r,B,A,t_a),v_r,t_a),c_Product__Type_OUnity,t_a,tc_Product__Type_Ounit),c_Tarski_OCompleteLattice,tc_Tarski_Opotype_Opotype__ext__type(t_a,tc_Product__Type_Ounit))|c_Tarski_Ointerval(v_r,B,A,t_a)=c_emptyset.
% 1.66/1.88  ** KEPT (pick-wt=13): 3 [] -c_in(A,v_A,t_a)|c_Tarski_Ointerval(v_r,A,c_Tarski_OTop(v_cl,t_a),t_a)!=c_emptyset.
% 1.66/1.88  
% 1.66/1.88  ------------> process sos:
% 1.66/1.88  ** KEPT (pick-wt=3): 5 [] A=A.
% 1.66/1.88  ** KEPT (pick-wt=6): 6 [] c_in(c_Tarski_OTop(v_cl,t_a),v_A,t_a).
% 1.66/1.88  ** KEPT (pick-wt=12): 8 [copy,7,flip.1] c_Tarski_Ointerval(v_r,c_Tarski_Olub(v_Y,v_cl,t_a),c_Tarski_OTop(v_cl,t_a),t_a)=v_intY1.
% 1.66/1.88  ---> New Demodulator: 9 [new_demod,8] c_Tarski_Ointerval(v_r,c_Tarski_Olub(v_Y,v_cl,t_a),c_Tarski_OTop(v_cl,t_a),t_a)=v_intY1.
% 1.66/1.88  ** KEPT (pick-wt=7): 10 [] c_in(c_Tarski_Olub(v_Y,v_cl,t_a),v_A,t_a).
% 1.66/1.88    Following clause subsumed by 5 during input processing: 0 [copy,5,flip.1] A=A.
% 1.66/1.88  >>>> Starting back demodulation with 9.
% 1.66/1.88  
% 1.66/1.88  ======= end of input processing =======
% 1.66/1.88  
% 1.66/1.88  =========== start of search ===========
% 1.66/1.88  
% 1.66/1.88  -------- PROOF -------- 
% 1.66/1.88  
% 1.66/1.88  -----> EMPTY CLAUSE at   0.00 sec ----> 19 [hyper,16,3,10] $F.
% 1.66/1.88  
% 1.66/1.88  Length of proof is 3.  Level of proof is 3.
% 1.66/1.88  
% 1.66/1.88  ---------------- PROOF ----------------
% 1.66/1.88  % SZS status Unsatisfiable
% 1.66/1.88  % SZS output start Refutation
% See solution above
% 1.66/1.88  ------------ end of proof -------------
% 1.66/1.88  
% 1.66/1.88  
% 1.66/1.88  Search stopped by max_proofs option.
% 1.66/1.88  
% 1.66/1.88  
% 1.66/1.88  Search stopped by max_proofs option.
% 1.66/1.88  
% 1.66/1.88  ============ end of search ============
% 1.66/1.88  
% 1.66/1.88  -------------- statistics -------------
% 1.66/1.88  clauses given                  5
% 1.66/1.88  clauses generated             12
% 1.66/1.88  clauses kept                  14
% 1.66/1.88  clauses forward subsumed       7
% 1.66/1.88  clauses back subsumed          0
% 1.66/1.88  Kbytes malloced              976
% 1.66/1.88  
% 1.66/1.88  ----------- times (seconds) -----------
% 1.66/1.88  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.88  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.88  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.66/1.88  
% 1.66/1.88  That finishes the proof of the theorem.
% 1.66/1.88  
% 1.66/1.88  Process 21203 finished Wed Jul 27 08:51:38 2022
% 1.66/1.88  Otter interrupted
% 1.66/1.88  PROOF FOUND
%------------------------------------------------------------------------------