TSTP Solution File: SET820-2 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET820-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n013.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  : 600s
% DateTime : Tue Jul 19 03:37:26 EDT 2022

% Result   : Unsatisfiable 0.09s 0.32s
% Output   : CNFRefutation 0.09s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   25 (  15 unt;   4 nHn;  16 RR)
%            Number of literals    :   38 (   7 equ;  17 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-3 aty)
%            Number of variables   :   39 (  12 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(cls_Set_OemptyE_0,axiom,
    ~ c_in(V_a,c_emptyset,T_a) ).

cnf(cls_Set_OinsertCI_1,axiom,
    c_in(V_x,c_insert(V_x,V_B,T_a),T_a) ).

cnf(cls_Set_OinsertE_0,axiom,
    ( ~ c_in(V_a,c_insert(V_b,V_A,T_a),T_a)
    | c_in(V_a,V_A,T_a)
    | V_a = V_b ) ).

cnf(cls_conjecture_0,negated_conjecture,
    v_P(v_a) ).

cnf(cls_conjecture_1,negated_conjecture,
    ( ~ c_in(V_V,V_U,tc_IntDef_Oint)
    | c_in(v_x(V_U),V_U,tc_IntDef_Oint) ) ).

cnf(cls_conjecture_2,negated_conjecture,
    ( ~ c_in(V_W,V_U,tc_IntDef_Oint)
    | ~ v_P(v_x(V_U)) ) ).

cnf(refute_0_0,plain,
    c_in(X_6,c_insert(X_6,V_B,tc_IntDef_Oint),tc_IntDef_Oint),
    inference(subst,[],[cls_Set_OinsertCI_1:[bind(T_a,$fot(tc_IntDef_Oint)),bind(V_x,$fot(X_6))]]) ).

cnf(refute_0_1,plain,
    ( ~ c_in(X_6,c_insert(X_6,V_B,tc_IntDef_Oint),tc_IntDef_Oint)
    | ~ v_P(v_x(c_insert(X_6,V_B,tc_IntDef_Oint))) ),
    inference(subst,[],[cls_conjecture_2:[bind(V_U,$fot(c_insert(X_6,V_B,tc_IntDef_Oint))),bind(V_W,$fot(X_6))]]) ).

cnf(refute_0_2,plain,
    ~ v_P(v_x(c_insert(X_6,V_B,tc_IntDef_Oint))),
    inference(resolve,[$cnf( c_in(X_6,c_insert(X_6,V_B,tc_IntDef_Oint),tc_IntDef_Oint) )],[refute_0_0,refute_0_1]) ).

cnf(refute_0_3,plain,
    ~ v_P(v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint))),
    inference(subst,[],[refute_0_2:[bind(V_B,$fot(c_emptyset))]]) ).

cnf(refute_0_4,plain,
    ~ c_in(v_x(c_insert(X_18,c_emptyset,tc_IntDef_Oint)),c_emptyset,tc_IntDef_Oint),
    inference(subst,[],[cls_Set_OemptyE_0:[bind(T_a,$fot(tc_IntDef_Oint)),bind(V_a,$fot(v_x(c_insert(X_18,c_emptyset,tc_IntDef_Oint))))]]) ).

cnf(refute_0_5,plain,
    c_in(X_10,c_insert(X_10,V_B,tc_IntDef_Oint),tc_IntDef_Oint),
    inference(subst,[],[cls_Set_OinsertCI_1:[bind(T_a,$fot(tc_IntDef_Oint)),bind(V_x,$fot(X_10))]]) ).

cnf(refute_0_6,plain,
    ( ~ c_in(X_10,c_insert(X_10,V_B,tc_IntDef_Oint),tc_IntDef_Oint)
    | c_in(v_x(c_insert(X_10,V_B,tc_IntDef_Oint)),c_insert(X_10,V_B,tc_IntDef_Oint),tc_IntDef_Oint) ),
    inference(subst,[],[cls_conjecture_1:[bind(V_U,$fot(c_insert(X_10,V_B,tc_IntDef_Oint))),bind(V_V,$fot(X_10))]]) ).

cnf(refute_0_7,plain,
    c_in(v_x(c_insert(X_10,V_B,tc_IntDef_Oint)),c_insert(X_10,V_B,tc_IntDef_Oint),tc_IntDef_Oint),
    inference(resolve,[$cnf( c_in(X_10,c_insert(X_10,V_B,tc_IntDef_Oint),tc_IntDef_Oint) )],[refute_0_5,refute_0_6]) ).

cnf(refute_0_8,plain,
    c_in(v_x(c_insert(X_16,X_14,tc_IntDef_Oint)),c_insert(X_16,X_14,tc_IntDef_Oint),tc_IntDef_Oint),
    inference(subst,[],[refute_0_7:[bind(V_B,$fot(X_14)),bind(X_10,$fot(X_16))]]) ).

cnf(refute_0_9,plain,
    ( ~ c_in(v_x(c_insert(X_16,X_14,tc_IntDef_Oint)),c_insert(X_16,X_14,tc_IntDef_Oint),tc_IntDef_Oint)
    | v_x(c_insert(X_16,X_14,tc_IntDef_Oint)) = X_16
    | c_in(v_x(c_insert(X_16,X_14,tc_IntDef_Oint)),X_14,tc_IntDef_Oint) ),
    inference(subst,[],[cls_Set_OinsertE_0:[bind(T_a,$fot(tc_IntDef_Oint)),bind(V_A,$fot(X_14)),bind(V_a,$fot(v_x(c_insert(X_16,X_14,tc_IntDef_Oint)))),bind(V_b,$fot(X_16))]]) ).

cnf(refute_0_10,plain,
    ( v_x(c_insert(X_16,X_14,tc_IntDef_Oint)) = X_16
    | c_in(v_x(c_insert(X_16,X_14,tc_IntDef_Oint)),X_14,tc_IntDef_Oint) ),
    inference(resolve,[$cnf( c_in(v_x(c_insert(X_16,X_14,tc_IntDef_Oint)),c_insert(X_16,X_14,tc_IntDef_Oint),tc_IntDef_Oint) )],[refute_0_8,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( v_x(c_insert(X_18,c_emptyset,tc_IntDef_Oint)) = X_18
    | c_in(v_x(c_insert(X_18,c_emptyset,tc_IntDef_Oint)),c_emptyset,tc_IntDef_Oint) ),
    inference(subst,[],[refute_0_10:[bind(X_14,$fot(c_emptyset)),bind(X_16,$fot(X_18))]]) ).

cnf(refute_0_12,plain,
    v_x(c_insert(X_18,c_emptyset,tc_IntDef_Oint)) = X_18,
    inference(resolve,[$cnf( c_in(v_x(c_insert(X_18,c_emptyset,tc_IntDef_Oint)),c_emptyset,tc_IntDef_Oint) )],[refute_0_11,refute_0_4]) ).

cnf(refute_0_13,plain,
    v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint)) = X_6,
    inference(subst,[],[refute_0_12:[bind(X_18,$fot(X_6))]]) ).

cnf(refute_0_14,plain,
    ( v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint)) != X_6
    | ~ v_P(X_6)
    | v_P(v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint))) ),
    introduced(tautology,[equality,[$cnf( ~ v_P(v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint))) ),[0],$fot(X_6)]]) ).

cnf(refute_0_15,plain,
    ( ~ v_P(X_6)
    | v_P(v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint))) ),
    inference(resolve,[$cnf( $equal(v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint)),X_6) )],[refute_0_13,refute_0_14]) ).

cnf(refute_0_16,plain,
    ~ v_P(X_6),
    inference(resolve,[$cnf( v_P(v_x(c_insert(X_6,c_emptyset,tc_IntDef_Oint))) )],[refute_0_15,refute_0_3]) ).

cnf(refute_0_17,plain,
    ~ v_P(v_a),
    inference(subst,[],[refute_0_16:[bind(X_6,$fot(v_a))]]) ).

cnf(refute_0_18,plain,
    $false,
    inference(resolve,[$cnf( v_P(v_a) )],[cls_conjecture_0,refute_0_17]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : SET820-2 : TPTP v8.1.0. Released v3.2.0.
% 0.00/0.10  % Command  : metis --show proof --show saturation %s
% 0.09/0.31  % Computer : n013.cluster.edu
% 0.09/0.31  % Model    : x86_64 x86_64
% 0.09/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.31  % Memory   : 8042.1875MB
% 0.09/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.31  % CPULimit : 300
% 0.09/0.31  % WCLimit  : 600
% 0.09/0.31  % DateTime : Sat Jul  9 18:45:59 EDT 2022
% 0.09/0.31  % CPUTime  : 
% 0.09/0.31  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.09/0.32  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.32  
% 0.09/0.32  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.09/0.32  
%------------------------------------------------------------------------------