TSTP Solution File: LAT393-1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : LAT393-1 : TPTP v8.1.2. Released v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n032.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 : Thu Aug 31 06:02:26 EDT 2023

% Result   : Unsatisfiable 90.64s 90.98s
% Output   : CNFRefutation 90.64s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   56
%            Number of leaves      :    9
% Syntax   : Number of formulae    :  143 ( 136 unt;   7 typ;   0 def)
%            Number of atoms       :  136 ( 135 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    2 (   1 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    7 (   4   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :  384 (  81 sgn;   0   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    f: ( $i * $i ) > $i ).

tff(decl_23,type,
    or: ( $i * $i ) > $i ).

tff(decl_24,type,
    and: ( $i * $i ) > $i ).

tff(decl_25,type,
    neg: $i > $i ).

tff(decl_26,type,
    x0: $i ).

tff(decl_27,type,
    x1: $i ).

tff(decl_28,type,
    x2: $i ).

cnf(sos,axiom,
    f(f(f(f(X1,X2),f(X2,X3)),X4),f(X2,f(f(X2,f(f(X1,X1),X1)),X3))) = X2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos) ).

cnf(goals,negated_conjecture,
    f(x0,f(f(x1,x2),f(x1,x2))) != f(x1,f(f(x0,x2),f(x0,x2))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).

cnf(c_0_2,axiom,
    f(f(f(f(X1,X2),f(X2,X3)),X4),f(X2,f(f(X2,f(f(X1,X1),X1)),X3))) = X2,
    sos ).

cnf(c_0_3,plain,
    f(X1,f(f(X1,X2),f(f(f(X1,X2),f(f(f(X3,X1),f(X3,X1)),f(X3,X1))),X4))) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_2,c_0_2]) ).

cnf(c_0_4,plain,
    f(f(X1,X2),f(f(f(X1,X2),f(X2,X3)),X2)) = f(f(X1,X2),f(X2,X3)),
    inference(spm,[status(thm)],[c_0_3,c_0_2]) ).

cnf(c_0_5,plain,
    f(f(f(f(X1,X2),f(X2,X3)),X2),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_4,c_0_2]) ).

cnf(c_0_6,plain,
    f(f(X1,X1),f(X1,X1)) = X1,
    inference(spm,[status(thm)],[c_0_5,c_0_5]) ).

cnf(c_0_7,plain,
    f(f(X1,X2),f(X1,f(f(X1,f(f(X1,X1),X1)),X1))) = X1,
    inference(spm,[status(thm)],[c_0_2,c_0_6]) ).

cnf(c_0_8,plain,
    f(X1,f(f(X1,X2),f(X1,X2))) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_3,c_0_7]) ).

cnf(c_0_9,plain,
    f(f(X1,X2),f(X1,X1)) = X1,
    inference(spm,[status(thm)],[c_0_8,c_0_7]) ).

cnf(c_0_10,plain,
    f(X1,f(f(X1,X1),X2)) = f(X1,X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_4,c_0_9]),c_0_9]) ).

cnf(c_0_11,plain,
    f(f(X1,X1),f(X1,X2)) = X1,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_10,c_0_7]),c_0_10]),c_0_10]) ).

cnf(c_0_12,plain,
    f(f(f(f(X1,X2),f(X2,X3)),X4),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_8,c_0_2]) ).

cnf(c_0_13,plain,
    f(f(X1,X2),f(X2,f(f(X2,f(f(X1,X1),X1)),X3))) = X2,
    inference(spm,[status(thm)],[c_0_2,c_0_7]) ).

cnf(c_0_14,plain,
    f(f(f(X1,X2),f(X1,X2)),X1) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_11,c_0_7]) ).

cnf(c_0_15,plain,
    f(f(X1,X2),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_12,c_0_7]) ).

cnf(c_0_16,plain,
    f(f(X1,X2),f(X2,f(f(X1,X1),X1))) = X2,
    inference(spm,[status(thm)],[c_0_13,c_0_13]) ).

cnf(c_0_17,plain,
    f(f(X1,X1),f(X2,X1)) = X1,
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_18,plain,
    f(X1,f(f(X1,X2),f(X1,f(X1,X1)))) = f(X1,X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_16,c_0_11]),c_0_9]) ).

cnf(c_0_19,plain,
    f(X1,f(X2,f(X1,X1))) = f(X1,X1),
    inference(spm,[status(thm)],[c_0_17,c_0_17]) ).

cnf(c_0_20,plain,
    f(f(X1,X2),f(X1,f(f(X3,X3),X3))) = X1,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_2,c_0_18]),c_0_19]),c_0_15]) ).

cnf(c_0_21,plain,
    f(X1,X1) = f(X1,f(f(X2,X2),X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_15,c_0_20]),c_0_20]) ).

cnf(c_0_22,plain,
    f(X1,f(f(X2,X1),f(X2,X1))) = f(X2,X1),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_7,c_0_15]),c_0_10]),c_0_10]) ).

cnf(c_0_23,plain,
    f(f(X1,X1),f(f(X2,X2),X2)) = X1,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_7,c_0_21]),c_0_10]),c_0_10]) ).

cnf(c_0_24,plain,
    f(f(f(X1,X1),X1),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_22,c_0_23]) ).

cnf(c_0_25,plain,
    f(X1,f(f(X2,X1),f(X1,f(X1,X1)))) = f(X2,X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_16,c_0_17]),c_0_9]) ).

cnf(c_0_26,plain,
    f(f(f(X1,X1),X1),X2) = f(X2,X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_22,c_0_21]),c_0_6]) ).

cnf(c_0_27,plain,
    f(f(X1,f(X1,X1)),f(X2,X2)) = X2,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_7]),c_0_10]),c_0_10]) ).

cnf(c_0_28,plain,
    f(f(X1,X1),f(X2,f(X2,X2))) = X1,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_7]),c_0_10]),c_0_10]) ).

cnf(c_0_29,plain,
    f(f(X1,X1),X1) = f(X1,f(X1,X1)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_26]),c_0_8]) ).

cnf(c_0_30,plain,
    f(f(X1,f(X1,X1)),X2) = f(X2,X2),
    inference(spm,[status(thm)],[c_0_27,c_0_11]) ).

cnf(c_0_31,plain,
    f(f(f(X1,X1),X2),X1) = f(X1,X1),
    inference(spm,[status(thm)],[c_0_9,c_0_9]) ).

cnf(c_0_32,plain,
    f(X1,f(X2,f(X2,X2))) = f(X1,X1),
    inference(spm,[status(thm)],[c_0_28,c_0_11]) ).

cnf(c_0_33,plain,
    f(f(X1,f(X1,X1)),X2) = f(X2,f(X3,f(X3,X3))),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_27,c_0_20]),c_0_29]) ).

cnf(c_0_34,plain,
    f(f(f(X1,f(X1,X1)),f(X2,X3)),X2) = f(X2,X3),
    inference(spm,[status(thm)],[c_0_14,c_0_30]) ).

cnf(c_0_35,plain,
    f(f(x0,f(x0,x0)),f(f(X1,X2),f(X2,X3))) = f(X2,f(f(X1,X2),f(X2,X3))),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_12]),c_0_32]),c_0_33]) ).

cnf(c_0_36,plain,
    f(f(f(X1,X2),f(X1,X2)),X2) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_11,c_0_15]) ).

cnf(c_0_37,plain,
    f(f(X1,f(f(X2,X1),f(X1,X3))),f(X2,X1)) = f(f(X2,X1),f(X1,X3)),
    inference(spm,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_38,plain,
    f(f(f(X1,f(X1,X1)),X2),f(X2,X3)) = X2,
    inference(spm,[status(thm)],[c_0_11,c_0_30]) ).

cnf(c_0_39,plain,
    f(X1,f(f(X2,f(X2,X2)),f(X3,X1))) = f(X3,X1),
    inference(spm,[status(thm)],[c_0_22,c_0_30]) ).

cnf(c_0_40,plain,
    f(f(f(X1,f(X1,X1)),f(X2,X3)),X3) = f(X2,X3),
    inference(spm,[status(thm)],[c_0_36,c_0_30]) ).

cnf(c_0_41,plain,
    f(f(f(X1,X2),f(X1,f(f(X1,X2),X3))),X1) = f(X1,f(f(X1,X2),X3)),
    inference(spm,[status(thm)],[c_0_37,c_0_38]) ).

cnf(c_0_42,plain,
    f(f(X1,X2),f(X1,f(f(X3,X1),f(X1,X2)))) = f(f(X3,X1),f(X1,X2)),
    inference(spm,[status(thm)],[c_0_39,c_0_35]) ).

cnf(c_0_43,plain,
    f(f(X1,f(f(X2,X1),f(X1,X3))),f(X1,X3)) = f(f(X2,X1),f(X1,X3)),
    inference(spm,[status(thm)],[c_0_40,c_0_35]) ).

cnf(c_0_44,plain,
    f(f(X1,X2),f(f(X3,f(X3,X3)),X1)) = X1,
    inference(spm,[status(thm)],[c_0_9,c_0_30]) ).

cnf(c_0_45,plain,
    f(f(f(X1,X2),f(X2,X3)),X2) = f(X2,f(f(X1,X2),f(X2,X3))),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_41,c_0_42]),c_0_42]) ).

cnf(c_0_46,plain,
    f(f(f(X1,X2),f(f(X3,f(X1,X2)),X1)),X1) = f(f(X3,f(X1,X2)),X1),
    inference(spm,[status(thm)],[c_0_43,c_0_44]) ).

cnf(c_0_47,plain,
    f(f(f(X1,f(X1,X1)),X2),f(X3,X2)) = X2,
    inference(spm,[status(thm)],[c_0_17,c_0_30]) ).

cnf(c_0_48,plain,
    f(f(f(X1,X2),f(X3,X2)),X2) = f(X2,f(f(X1,X2),f(X3,X2))),
    inference(spm,[status(thm)],[c_0_45,c_0_22]) ).

cnf(c_0_49,plain,
    f(X1,f(f(X1,f(f(X2,X1),X3)),f(X2,X1))) = f(X1,f(f(X2,X1),X3)),
    inference(spm,[status(thm)],[c_0_4,c_0_17]) ).

cnf(c_0_50,plain,
    f(f(f(X1,X2),f(X2,X1)),X1) = f(X2,X1),
    inference(spm,[status(thm)],[c_0_46,c_0_47]) ).

cnf(c_0_51,plain,
    f(f(f(X1,X2),f(X3,X1)),X1) = f(X1,f(f(X1,X2),f(X3,X1))),
    inference(spm,[status(thm)],[c_0_48,c_0_34]) ).

cnf(c_0_52,plain,
    f(X1,f(f(X1,X2),f(X2,X1))) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_49,c_0_7]) ).

cnf(c_0_53,plain,
    f(X1,X2) = f(X2,X1),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_50,c_0_51]),c_0_52]) ).

cnf(c_0_54,plain,
    f(X1,f(f(X2,f(X2,X2)),f(X1,X3))) = f(X1,X3),
    inference(spm,[status(thm)],[c_0_8,c_0_30]) ).

cnf(c_0_55,plain,
    f(f(f(f(X1,X2),f(X1,X3)),X4),f(X1,X1)) = X1,
    inference(spm,[status(thm)],[c_0_12,c_0_14]) ).

cnf(c_0_56,plain,
    f(X1,f(f(X2,X1),f(X1,X2))) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_52,c_0_53]) ).

cnf(c_0_57,plain,
    f(f(X1,X2),f(X2,f(f(X1,X2),f(X2,X3)))) = f(f(X1,X2),f(X2,X3)),
    inference(spm,[status(thm)],[c_0_54,c_0_35]) ).

cnf(c_0_58,plain,
    f(f(f(f(X1,f(X1,X1)),f(X2,X3)),X4),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_55,c_0_30]) ).

cnf(c_0_59,plain,
    f(f(x0,f(x0,x0)),f(f(X1,X2),f(X2,X1))) = f(X2,X1),
    inference(spm,[status(thm)],[c_0_35,c_0_56]) ).

cnf(c_0_60,plain,
    f(X1,f(f(X2,X1),f(X1,f(f(X2,X1),X3)))) = f(X1,f(f(X2,X1),X3)),
    inference(spm,[status(thm)],[c_0_57,c_0_47]) ).

cnf(c_0_61,plain,
    f(f(f(X1,X2),X3),f(f(X2,X1),f(X2,X1))) = f(X2,X1),
    inference(spm,[status(thm)],[c_0_58,c_0_59]) ).

cnf(c_0_62,plain,
    f(f(X1,f(f(X2,X3),f(X2,X4))),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_55,c_0_22]) ).

cnf(c_0_63,plain,
    f(X1,f(f(f(X2,X3),X1),f(X1,f(X3,X2)))) = f(X1,f(X3,X2)),
    inference(spm,[status(thm)],[c_0_60,c_0_61]) ).

cnf(c_0_64,plain,
    f(X1,f(f(X1,X2),f(f(X3,X3),X3))) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_20,c_0_20]) ).

cnf(c_0_65,plain,
    f(f(X1,X2),f(f(X3,f(X3,X3)),X2)) = X2,
    inference(spm,[status(thm)],[c_0_15,c_0_30]) ).

cnf(c_0_66,plain,
    f(f(X1,f(X2,f(X2,X2))),X1) = f(X1,f(X1,f(X2,f(X2,X2)))),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_20]),c_0_29]),c_0_29]) ).

cnf(c_0_67,plain,
    f(f(X1,f(f(X2,f(X2,X2)),f(X3,X4))),f(X3,X3)) = X3,
    inference(spm,[status(thm)],[c_0_62,c_0_30]) ).

cnf(c_0_68,plain,
    f(f(f(f(X1,X2),f(X3,X2)),X4),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_12,c_0_22]) ).

cnf(c_0_69,plain,
    f(f(X1,X2),f(X2,f(f(X3,X2),f(X1,X2)))) = f(f(X3,X2),f(X1,X2)),
    inference(spm,[status(thm)],[c_0_42,c_0_22]) ).

cnf(c_0_70,plain,
    f(X1,f(f(f(X2,X3),X1),f(f(X3,X2),X1))) = f(f(X3,X2),X1),
    inference(spm,[status(thm)],[c_0_63,c_0_53]) ).

cnf(c_0_71,plain,
    f(X1,f(X1,f(X2,f(X2,X2)))) = f(X2,f(X2,X2)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_64,c_0_65]),c_0_29]),c_0_29]),c_0_20]),c_0_66]) ).

cnf(c_0_72,plain,
    f(f(f(X1,f(X1,X1)),X2),X2) = f(X2,f(f(X1,f(X1,X1)),X2)),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_73,plain,
    f(X1,f(f(X1,X2),f(X1,f(f(X1,X2),X3)))) = f(X1,f(f(X1,X2),X3)),
    inference(spm,[status(thm)],[c_0_57,c_0_38]) ).

cnf(c_0_74,plain,
    f(f(X1,f(X2,X3)),f(f(X3,X2),f(X3,X2))) = f(X3,X2),
    inference(spm,[status(thm)],[c_0_67,c_0_59]) ).

cnf(c_0_75,plain,
    f(f(f(f(X1,X2),f(X3,f(X3,X3))),X4),f(X2,X2)) = X2,
    inference(spm,[status(thm)],[c_0_68,c_0_32]) ).

cnf(c_0_76,plain,
    f(f(f(X1,X2),X3),f(f(X2,X1),X3)) = f(f(x0,f(x0,x0)),f(f(X2,X1),X3)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_69,c_0_70]),c_0_32]),c_0_53]) ).

cnf(c_0_77,plain,
    f(X1,f(f(X2,f(X2,X2)),X1)) = f(X2,f(X2,X2)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_71,c_0_14]),c_0_29]),c_0_47]),c_0_72]) ).

cnf(c_0_78,plain,
    f(X1,f(f(X1,f(X2,X3)),f(X1,f(X3,X2)))) = f(X1,f(X3,X2)),
    inference(spm,[status(thm)],[c_0_73,c_0_74]) ).

cnf(c_0_79,plain,
    f(X1,f(f(X1,f(X2,X3)),f(f(X3,X2),X1))) = f(X1,f(X2,X3)),
    inference(spm,[status(thm)],[c_0_63,c_0_53]) ).

cnf(c_0_80,plain,
    f(f(X1,X2),f(f(x0,f(x0,x0)),f(f(X1,X1),X3))) = f(f(X1,X1),X3),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_10]),c_0_28]),c_0_76]) ).

cnf(c_0_81,plain,
    f(f(X1,X2),f(X3,f(f(X2,X1),f(X1,X2)))) = f(f(X2,X1),f(X1,X2)),
    inference(spm,[status(thm)],[c_0_47,c_0_59]) ).

cnf(c_0_82,plain,
    f(f(X1,X2),f(f(X2,X1),f(X1,X2))) = f(x0,f(x0,x0)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_77,c_0_59]),c_0_53]) ).

cnf(c_0_83,plain,
    f(f(X1,X2),f(X2,f(f(X1,X2),f(X3,X2)))) = f(f(X1,X2),f(X3,X2)),
    inference(spm,[status(thm)],[c_0_57,c_0_22]) ).

cnf(c_0_84,plain,
    f(X1,f(X2,X3)) = f(f(X3,X2),X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_78,c_0_53]),c_0_79]) ).

cnf(c_0_85,plain,
    f(f(f(X1,X1),X2),f(f(X1,X3),f(X1,X3))) = f(X1,X3),
    inference(spm,[status(thm)],[c_0_9,c_0_80]) ).

cnf(c_0_86,plain,
    f(f(X1,X2),f(x0,f(x0,x0))) = f(f(X2,X1),f(X1,X2)),
    inference(spm,[status(thm)],[c_0_81,c_0_82]) ).

cnf(c_0_87,plain,
    f(f(X1,X2),f(f(f(X2,X1),f(X1,X2)),X3)) = f(f(X2,X1),f(X1,X2)),
    inference(spm,[status(thm)],[c_0_38,c_0_59]) ).

cnf(c_0_88,plain,
    f(f(X1,X2),f(X2,f(f(X3,X2),f(X2,X1)))) = f(f(X3,X2),f(X2,X1)),
    inference(spm,[status(thm)],[c_0_83,c_0_84]) ).

cnf(c_0_89,plain,
    f(X1,f(f(f(X2,X2),X1),f(X1,f(X2,X3)))) = f(X1,f(X2,X3)),
    inference(spm,[status(thm)],[c_0_60,c_0_85]) ).

cnf(c_0_90,plain,
    f(f(X1,X2),f(X2,X1)) = f(f(x0,f(x0,x0)),f(X2,X1)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_61,c_0_86]),c_0_65]),c_0_53]),c_0_87]) ).

cnf(c_0_91,plain,
    f(f(f(X1,X1),X2),f(X2,f(X1,X3))) = f(f(x0,f(x0,x0)),f(X2,f(X1,X3))),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_88,c_0_89]),c_0_90]) ).

cnf(c_0_92,plain,
    f(f(X1,X2),f(f(f(X2,X3),f(X2,X3)),X1)) = f(f(x0,f(x0,x0)),f(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_91,c_0_44]),c_0_53]) ).

cnf(c_0_93,plain,
    f(f(X1,X2),f(X1,f(f(X2,X3),f(X2,X3)))) = f(f(X1,X2),f(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_78,c_0_92]),c_0_38]) ).

cnf(c_0_94,plain,
    f(f(X1,X2),f(X1,f(f(X3,X2),f(X2,X4)))) = f(f(X1,X2),f(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_93,c_0_35]),c_0_65]) ).

cnf(c_0_95,plain,
    f(X1,f(f(X1,X2),f(X2,X3))) = f(X1,X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_73,c_0_94]),c_0_8]) ).

cnf(c_0_96,plain,
    f(X1,f(f(X1,X2),f(X1,f(X3,f(X2,X1))))) = f(X1,f(X3,f(X2,X1))),
    inference(spm,[status(thm)],[c_0_73,c_0_84]) ).

cnf(c_0_97,plain,
    f(X1,f(f(X2,X3),f(X2,X1))) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_95,c_0_84]) ).

cnf(c_0_98,plain,
    f(X1,f(f(X2,X3),f(X3,X1))) = f(X1,X3),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_96,c_0_94]),c_0_8]) ).

cnf(c_0_99,plain,
    f(X1,f(f(X1,X2),f(X3,X2))) = f(X1,X2),
    inference(spm,[status(thm)],[c_0_95,c_0_22]) ).

cnf(c_0_100,plain,
    f(f(f(X1,X2),f(X2,X3)),f(f(X4,X2),f(X4,X2))) = f(f(f(X1,X2),f(X2,X3)),X4),
    inference(spm,[status(thm)],[c_0_97,c_0_94]) ).

cnf(c_0_101,plain,
    f(f(f(X1,X2),f(X3,X2)),f(f(X4,X1),f(X1,X2))) = f(X1,X2),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_98,c_0_99]),c_0_53]),c_0_99]) ).

cnf(c_0_102,plain,
    f(X1,f(X2,X2)) = f(f(X2,f(X3,f(X3,X3))),X1),
    inference(spm,[status(thm)],[c_0_84,c_0_32]) ).

cnf(c_0_103,plain,
    f(f(X1,X1),f(f(X2,f(X3,X1)),f(X2,f(X3,X1)))) = f(f(X1,X1),X2),
    inference(spm,[status(thm)],[c_0_100,c_0_101]) ).

cnf(c_0_104,plain,
    f(f(X1,f(X2,X2)),X2) = f(X2,X2),
    inference(spm,[status(thm)],[c_0_15,c_0_15]) ).

cnf(c_0_105,plain,
    f(f(f(X1,f(X2,X3)),f(X4,f(X4,X4))),f(X3,X3)) = f(f(X3,X3),X1),
    inference(spm,[status(thm)],[c_0_102,c_0_103]) ).

cnf(c_0_106,plain,
    f(f(X1,f(X2,f(X2,X2))),f(X3,X1)) = X1,
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_19,c_0_20]),c_0_29]) ).

cnf(c_0_107,plain,
    f(f(X1,X2),f(X2,f(X3,f(X3,X3)))) = X2,
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_104,c_0_20]),c_0_29]) ).

cnf(c_0_108,plain,
    f(X1,f(f(x0,f(x0,x0)),f(X2,f(f(X1,X1),X3)))) = f(X1,X2),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_105,c_0_105]),c_0_11]),c_0_11]),c_0_33]),c_0_53]) ).

cnf(c_0_109,plain,
    f(X1,f(X1,X1)) = f(X2,f(X2,X2)),
    inference(spm,[status(thm)],[c_0_106,c_0_107]) ).

cnf(c_0_110,plain,
    f(X1,f(f(X2,f(X2,X2)),f(X3,f(f(X1,X1),X4)))) = f(X1,X3),
    inference(spm,[status(thm)],[c_0_108,c_0_109]) ).

cnf(c_0_111,plain,
    f(X1,f(f(X2,f(X2,X2)),f(f(f(X1,X1),X3),X4))) = f(X1,X4),
    inference(spm,[status(thm)],[c_0_110,c_0_53]) ).

cnf(c_0_112,plain,
    f(f(f(X1,f(X2,X3)),X4),f(f(X1,f(X3,X2)),X4)) = f(f(x0,f(x0,x0)),f(f(X1,f(X3,X2)),X4)),
    inference(spm,[status(thm)],[c_0_76,c_0_84]) ).

cnf(c_0_113,plain,
    f(f(X1,X1),f(f(f(X2,X1),f(X1,X3)),X4)) = X1,
    inference(spm,[status(thm)],[c_0_14,c_0_2]) ).

cnf(c_0_114,plain,
    f(X1,f(f(f(f(X1,X1),X2),X3),f(X3,X4))) = f(X1,X3),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_111,c_0_95]),c_0_111]) ).

cnf(c_0_115,plain,
    f(f(f(X1,f(X2,X3)),X4),f(X4,f(f(X3,X2),X1))) = f(f(x0,f(x0,x0)),f(X4,f(f(X3,X2),X1))),
    inference(spm,[status(thm)],[c_0_112,c_0_84]) ).

cnf(c_0_116,plain,
    f(f(X1,X2),f(f(f(X3,X2),f(X3,X2)),X1)) = f(f(x0,f(x0,x0)),f(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_91,c_0_65]),c_0_53]) ).

cnf(c_0_117,plain,
    f(f(X1,X1),f(f(f(X2,X1),f(X3,X1)),X4)) = X1,
    inference(spm,[status(thm)],[c_0_113,c_0_22]) ).

cnf(c_0_118,plain,
    f(f(X1,X1),f(f(f(X1,X2),X3),f(X3,X4))) = f(f(X1,X1),X3),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_114,c_0_115]),c_0_9]),c_0_9]),c_0_9]),c_0_9]),c_0_27]),c_0_9]),c_0_9]) ).

cnf(c_0_119,plain,
    f(f(X1,X2),f(f(f(X2,X3),f(X3,X2)),X1)) = f(f(x0,f(x0,x0)),f(X1,X2)),
    inference(spm,[status(thm)],[c_0_116,c_0_84]) ).

cnf(c_0_120,plain,
    f(f(x0,f(x0,x0)),f(f(X1,X2),f(X3,X2))) = f(X2,f(f(X1,X2),f(X3,X2))),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_19,c_0_117]),c_0_32]),c_0_53]),c_0_53]) ).

cnf(c_0_121,plain,
    f(f(f(f(X1,X2),X3),f(X3,X4)),f(X1,X1)) = f(f(X1,X1),X3),
    inference(spm,[status(thm)],[c_0_53,c_0_118]) ).

cnf(c_0_122,plain,
    f(f(X1,X2),f(f(f(X3,X2),f(X4,X2)),X1)) = f(f(x0,f(x0,x0)),f(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_119,c_0_120]),c_0_38]) ).

cnf(c_0_123,plain,
    f(X1,f(f(X2,f(f(X1,X2),X3)),f(X2,X4))) = f(X1,X2),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_100,c_0_121]),c_0_48]),c_0_22]),c_0_53]),c_0_53]) ).

cnf(c_0_124,plain,
    f(f(X1,X2),f(X1,f(f(X3,X2),f(X4,X2)))) = f(f(X1,X2),f(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_78,c_0_122]),c_0_38]) ).

cnf(c_0_125,plain,
    f(X1,f(f(X2,f(f(X2,X1),X3)),f(X2,X4))) = f(X2,X1),
    inference(spm,[status(thm)],[c_0_123,c_0_53]) ).

cnf(c_0_126,plain,
    f(f(f(X1,X2),f(X3,X2)),f(f(X4,X2),f(X4,X2))) = f(f(f(X1,X2),f(X3,X2)),X4),
    inference(spm,[status(thm)],[c_0_97,c_0_124]) ).

cnf(c_0_127,plain,
    f(X1,f(f(X1,f(f(X2,X2),X2)),X3)) = f(X1,X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_4,c_0_20]),c_0_20]) ).

cnf(c_0_128,plain,
    f(X1,f(X2,f(f(X2,X3),f(f(f(X2,X3),X1),X4)))) = f(f(X2,X3),X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_125,c_0_44]),c_0_53]) ).

cnf(c_0_129,plain,
    f(f(f(X1,X2),f(X1,X2)),X3) = f(f(f(X3,X2),f(X2,f(X2,X2))),X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_102,c_0_100]),c_0_126]) ).

cnf(c_0_130,plain,
    f(X1,f(f(X1,f(X2,f(X2,X2))),X3)) = f(X1,X1),
    inference(spm,[status(thm)],[c_0_127,c_0_11]) ).

cnf(c_0_131,negated_conjecture,
    f(x0,f(f(x1,x2),f(x1,x2))) != f(x1,f(f(x0,x2),f(x0,x2))),
    goals ).

cnf(c_0_132,plain,
    f(X1,f(f(X2,X3),f(X2,X3))) = f(f(f(X1,X3),f(X1,X3)),X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_128,c_0_129]),c_0_130]) ).

cnf(c_0_133,negated_conjecture,
    f(x0,f(f(x2,x1),f(x2,x1))) != f(x1,f(f(x2,x0),f(x2,x0))),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_131,c_0_53]),c_0_53]),c_0_53]) ).

cnf(c_0_134,plain,
    f(X1,f(f(X2,X3),f(X2,X3))) = f(X2,f(f(X1,X3),f(X1,X3))),
    inference(spm,[status(thm)],[c_0_53,c_0_132]) ).

cnf(c_0_135,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_133,c_0_134]),c_0_53]),c_0_53]),c_0_134])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem    : LAT393-1 : TPTP v8.1.2. Released v5.4.0.
% 0.00/0.09  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.10/0.28  % Computer : n032.cluster.edu
% 0.10/0.28  % Model    : x86_64 x86_64
% 0.10/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.28  % Memory   : 8042.1875MB
% 0.10/0.28  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.28  % CPULimit   : 300
% 0.10/0.28  % WCLimit    : 300
% 0.10/0.28  % DateTime   : Thu Aug 24 08:17:41 EDT 2023
% 0.10/0.29  % CPUTime  : 
% 0.14/0.45  start to proof: theBenchmark
% 90.64/90.98  % Version  : CSE_E---1.5
% 90.64/90.98  % Problem  : theBenchmark.p
% 90.64/90.98  % Proof found
% 90.64/90.98  % SZS status Theorem for theBenchmark.p
% 90.64/90.98  % SZS output start Proof
% See solution above
% 90.64/90.99  % Total time : 90.227000 s
% 90.64/90.99  % SZS output end Proof
% 90.64/90.99  % Total time : 90.234000 s
%------------------------------------------------------------------------------