TSTP Solution File: NLP009-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : NLP009-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n023.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 09:54:08 EDT 2023

% Result   : Unsatisfiable 2.45s 1.19s
% Output   : CNFRefutation 2.45s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   54
% Syntax   : Number of clauses     :   92 (  15 unt;  30 nHn;  92 RR)
%            Number of literals    :  699 (  49 equ; 579 neg)
%            Maximal clause size   :   28 (   7 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :   25 (  23 usr;   4 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;  14 con; 0-0 aty)
%            Number of variables   :  133 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,negated_conjecture,
    hollywood(skc27),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause1) ).

cnf(c_50,negated_conjecture,
    event(skc26),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause2) ).

cnf(c_51,negated_conjecture,
    street(skc25),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause3) ).

cnf(c_52,negated_conjecture,
    old(skc24),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause4) ).

cnf(c_53,negated_conjecture,
    seat(skc23),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause5) ).

cnf(c_54,negated_conjecture,
    young(skc22),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause6) ).

cnf(c_55,negated_conjecture,
    fellow(skc21),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause7) ).

cnf(c_56,negated_conjecture,
    hollywood(skc20),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause8) ).

cnf(c_57,negated_conjecture,
    event(skc19),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause9) ).

cnf(c_58,negated_conjecture,
    chevy(skc18),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause10) ).

cnf(c_59,negated_conjecture,
    lonely(skc17),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause11) ).

cnf(c_60,negated_conjecture,
    seat(skc16),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause12) ).

cnf(c_61,negated_conjecture,
    young(skc15),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause13) ).

cnf(c_62,negated_conjecture,
    fellow(skc14),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause14) ).

cnf(c_63,negated_conjecture,
    ( chevy(skc24)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause15) ).

cnf(c_64,negated_conjecture,
    ( car(skc24)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause16) ).

cnf(c_65,negated_conjecture,
    ( white(skc24)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause17) ).

cnf(c_66,negated_conjecture,
    ( dirty(skc24)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause18) ).

cnf(c_67,negated_conjecture,
    ( lonely(skc25)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause19) ).

cnf(c_68,negated_conjecture,
    ( way(skc25)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause20) ).

cnf(c_69,negated_conjecture,
    ( city(skc27)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause21) ).

cnf(c_70,negated_conjecture,
    ( young(skc21)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause22) ).

cnf(c_71,negated_conjecture,
    ( man(skc21)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause23) ).

cnf(c_72,negated_conjecture,
    ( fellow(skc22)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause24) ).

cnf(c_73,negated_conjecture,
    ( man(skc22)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause25) ).

cnf(c_74,negated_conjecture,
    ( front(skc23)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause26) ).

cnf(c_75,negated_conjecture,
    ( furniture(skc23)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause27) ).

cnf(c_76,negated_conjecture,
    ( ~ ssSkC0
    | street(skc17) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause28) ).

cnf(c_77,negated_conjecture,
    ( ~ ssSkC0
    | way(skc17) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause29) ).

cnf(c_78,negated_conjecture,
    ( ~ ssSkC0
    | old(skc18) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause30) ).

cnf(c_79,negated_conjecture,
    ( ~ ssSkC0
    | dirty(skc18) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause31) ).

cnf(c_80,negated_conjecture,
    ( ~ ssSkC0
    | white(skc18) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause32) ).

cnf(c_81,negated_conjecture,
    ( ~ ssSkC0
    | car(skc18) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause33) ).

cnf(c_82,negated_conjecture,
    ( ~ ssSkC0
    | city(skc20) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause34) ).

cnf(c_83,negated_conjecture,
    ( ~ ssSkC0
    | young(skc14) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause35) ).

cnf(c_84,negated_conjecture,
    ( ~ ssSkC0
    | man(skc14) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause36) ).

cnf(c_85,negated_conjecture,
    ( ~ ssSkC0
    | fellow(skc15) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause37) ).

cnf(c_86,negated_conjecture,
    ( ~ ssSkC0
    | man(skc15) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause38) ).

cnf(c_87,negated_conjecture,
    ( ~ ssSkC0
    | front(skc16) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause39) ).

cnf(c_88,negated_conjecture,
    ( ~ ssSkC0
    | furniture(skc16) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause40) ).

cnf(c_89,negated_conjecture,
    ( barrel(skc26,skc24)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause41) ).

cnf(c_90,negated_conjecture,
    ( down(skc26,skc25)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause42) ).

cnf(c_91,negated_conjecture,
    ( in(skc26,skc27)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause43) ).

cnf(c_92,negated_conjecture,
    ( in(skc21,skc23)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause44) ).

cnf(c_93,negated_conjecture,
    ( in(skc22,skc23)
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause45) ).

cnf(c_94,negated_conjecture,
    ( ~ ssSkC0
    | barrel(skc19,skc18) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause46) ).

cnf(c_95,negated_conjecture,
    ( ~ ssSkC0
    | down(skc19,skc17) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause47) ).

cnf(c_96,negated_conjecture,
    ( ~ ssSkC0
    | in(skc19,skc20) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause48) ).

cnf(c_97,negated_conjecture,
    ( ~ ssSkC0
    | in(skc14,skc16) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause49) ).

cnf(c_98,negated_conjecture,
    ( ~ ssSkC0
    | in(skc15,skc16) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause50) ).

cnf(c_99,negated_conjecture,
    ( skc22 != skc21
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause51) ).

cnf(c_100,negated_conjecture,
    ( skc15 != skc14
    | ~ ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause52) ).

cnf(c_101,negated_conjecture,
    ( ~ barrel(X0,X1)
    | ~ down(X0,X2)
    | ~ in(X0,X3)
    | ~ in(X4,X5)
    | ~ in(X6,X5)
    | ~ hollywood(X3)
    | ~ event(X0)
    | ~ street(X2)
    | ~ old(X1)
    | ~ seat(X5)
    | ~ young(X4)
    | ~ young(X6)
    | ~ fellow(X4)
    | ~ fellow(X6)
    | ~ chevy(X1)
    | ~ lonely(X2)
    | ~ car(X1)
    | ~ white(X1)
    | ~ dirty(X1)
    | ~ way(X2)
    | ~ city(X3)
    | ~ man(X4)
    | ~ man(X6)
    | ~ front(X5)
    | ~ furniture(X5)
    | X4 = X6
    | ssSkC0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause53) ).

cnf(c_102,negated_conjecture,
    ( ~ barrel(X0,X1)
    | ~ down(X0,X2)
    | ~ in(X0,X3)
    | ~ in(X4,X5)
    | ~ in(X6,X5)
    | ~ hollywood(X3)
    | ~ event(X0)
    | ~ street(X2)
    | ~ old(X1)
    | ~ seat(X5)
    | ~ young(X4)
    | ~ young(X6)
    | ~ fellow(X4)
    | ~ fellow(X6)
    | ~ chevy(X1)
    | ~ lonely(X2)
    | ~ car(X1)
    | ~ white(X1)
    | ~ dirty(X1)
    | ~ way(X2)
    | ~ city(X3)
    | ~ man(X4)
    | ~ man(X6)
    | ~ front(X5)
    | ~ furniture(X5)
    | ~ ssSkC0
    | X4 = X6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause54) ).

cnf(c_336,plain,
    ( ~ barrel(X0,X1)
    | ~ down(X0,X2)
    | ~ in(X0,X3)
    | ~ in(X4,X5)
    | ~ in(X6,X5)
    | ~ hollywood(X3)
    | ~ event(X0)
    | ~ street(X2)
    | ~ old(X1)
    | ~ seat(X5)
    | ~ young(X4)
    | ~ young(X6)
    | ~ fellow(X4)
    | ~ fellow(X6)
    | ~ chevy(X1)
    | ~ lonely(X2)
    | ~ car(X1)
    | ~ white(X1)
    | ~ dirty(X1)
    | ~ way(X2)
    | ~ city(X3)
    | ~ man(X4)
    | ~ man(X6)
    | ~ front(X5)
    | ~ furniture(X5)
    | X4 = X6 ),
    inference(forward_subsumption_resolution,[status(thm)],[c_102,c_101]) ).

cnf(c_1851,plain,
    ( X0 != skc26
    | X1 != skc24
    | ~ down(X0,X2)
    | ~ in(X0,X3)
    | ~ in(X4,X5)
    | ~ in(X6,X5)
    | ~ hollywood(X3)
    | ~ event(X0)
    | ~ street(X2)
    | ~ old(X1)
    | ~ seat(X5)
    | ~ young(X4)
    | ~ young(X6)
    | ~ fellow(X4)
    | ~ fellow(X6)
    | ~ chevy(X1)
    | ~ lonely(X2)
    | ~ car(X1)
    | ~ white(X1)
    | ~ dirty(X1)
    | ~ way(X2)
    | ~ city(X3)
    | ~ man(X4)
    | ~ man(X6)
    | ~ front(X5)
    | ~ furniture(X5)
    | X4 = X6
    | ssSkC0 ),
    inference(resolution_lifted,[status(thm)],[c_89,c_336]) ).

cnf(c_1852,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc26,X3)
    | ~ in(skc26,X4)
    | ~ hollywood(X4)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ city(X4)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ event(skc26)
    | ~ old(skc24)
    | ~ chevy(skc24)
    | ~ car(skc24)
    | ~ white(skc24)
    | ~ dirty(skc24)
    | X0 = X2
    | ssSkC0 ),
    inference(unflattening,[status(thm)],[c_1851]) ).

cnf(c_1854,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc26,X3)
    | ~ in(skc26,X4)
    | ~ hollywood(X4)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ city(X4)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | X0 = X2
    | ssSkC0 ),
    inference(global_subsumption_just,[status(thm)],[c_1852,c_52,c_50,c_66,c_65,c_64,c_63,c_1852]) ).

cnf(c_1917,plain,
    ( X0 != skc19
    | X1 != skc18
    | ~ down(X0,X2)
    | ~ in(X0,X3)
    | ~ in(X4,X5)
    | ~ in(X6,X5)
    | ~ hollywood(X3)
    | ~ event(X0)
    | ~ street(X2)
    | ~ old(X1)
    | ~ seat(X5)
    | ~ young(X4)
    | ~ young(X6)
    | ~ fellow(X4)
    | ~ fellow(X6)
    | ~ chevy(X1)
    | ~ lonely(X2)
    | ~ car(X1)
    | ~ white(X1)
    | ~ dirty(X1)
    | ~ way(X2)
    | ~ city(X3)
    | ~ man(X4)
    | ~ man(X6)
    | ~ front(X5)
    | ~ furniture(X5)
    | ~ ssSkC0
    | X4 = X6 ),
    inference(resolution_lifted,[status(thm)],[c_94,c_336]) ).

cnf(c_1918,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc19,X3)
    | ~ in(skc19,X4)
    | ~ hollywood(X4)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ city(X4)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ event(skc19)
    | ~ old(skc18)
    | ~ chevy(skc18)
    | ~ car(skc18)
    | ~ white(skc18)
    | ~ dirty(skc18)
    | ~ ssSkC0
    | X0 = X2 ),
    inference(unflattening,[status(thm)],[c_1917]) ).

cnf(c_1920,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc19,X3)
    | ~ in(skc19,X4)
    | ~ hollywood(X4)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ city(X4)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ ssSkC0
    | X0 = X2 ),
    inference(global_subsumption_just,[status(thm)],[c_1918,c_58,c_57,c_81,c_80,c_79,c_78,c_1918]) ).

cnf(c_2043,plain,
    ( X0 != skc27
    | ~ in(X1,X2)
    | ~ in(X3,X2)
    | ~ down(skc26,X4)
    | ~ in(skc26,X0)
    | ~ street(X4)
    | ~ seat(X2)
    | ~ young(X1)
    | ~ young(X3)
    | ~ fellow(X1)
    | ~ fellow(X3)
    | ~ lonely(X4)
    | ~ way(X4)
    | ~ city(X0)
    | ~ man(X1)
    | ~ man(X3)
    | ~ front(X2)
    | ~ furniture(X2)
    | X1 = X3
    | ssSkC0 ),
    inference(resolution_lifted,[status(thm)],[c_49,c_1854]) ).

cnf(c_2044,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc26,X3)
    | ~ in(skc26,skc27)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ city(skc27)
    | X0 = X2
    | ssSkC0 ),
    inference(unflattening,[status(thm)],[c_2043]) ).

cnf(c_2046,plain,
    ( ~ furniture(X1)
    | ~ front(X1)
    | ~ man(X2)
    | ~ man(X0)
    | ~ way(X3)
    | ~ lonely(X3)
    | ~ fellow(X2)
    | ~ fellow(X0)
    | ~ young(X2)
    | ~ young(X0)
    | ~ seat(X1)
    | ~ street(X3)
    | ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc26,X3)
    | X0 = X2
    | ssSkC0 ),
    inference(global_subsumption_just,[status(thm)],[c_2044,c_69,c_91,c_2044]) ).

cnf(c_2047,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc26,X3)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | X0 = X2
    | ssSkC0 ),
    inference(renaming,[status(thm)],[c_2046]) ).

cnf(c_2100,plain,
    ( X0 != skc20
    | ~ in(X1,X2)
    | ~ in(X3,X2)
    | ~ down(skc19,X4)
    | ~ in(skc19,X0)
    | ~ street(X4)
    | ~ seat(X2)
    | ~ young(X1)
    | ~ young(X3)
    | ~ fellow(X1)
    | ~ fellow(X3)
    | ~ lonely(X4)
    | ~ way(X4)
    | ~ city(X0)
    | ~ man(X1)
    | ~ man(X3)
    | ~ front(X2)
    | ~ furniture(X2)
    | ~ ssSkC0
    | X1 = X3 ),
    inference(resolution_lifted,[status(thm)],[c_56,c_1920]) ).

cnf(c_2101,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc19,X3)
    | ~ in(skc19,skc20)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ city(skc20)
    | ~ ssSkC0
    | X0 = X2 ),
    inference(unflattening,[status(thm)],[c_2100]) ).

cnf(c_2103,plain,
    ( ~ furniture(X1)
    | ~ front(X1)
    | ~ man(X2)
    | ~ man(X0)
    | ~ way(X3)
    | ~ lonely(X3)
    | ~ fellow(X2)
    | ~ fellow(X0)
    | ~ young(X2)
    | ~ young(X0)
    | ~ seat(X1)
    | ~ street(X3)
    | ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc19,X3)
    | ~ ssSkC0
    | X0 = X2 ),
    inference(global_subsumption_just,[status(thm)],[c_2101,c_82,c_96,c_2101]) ).

cnf(c_2104,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc19,X3)
    | ~ street(X3)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ lonely(X3)
    | ~ way(X3)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ ssSkC0
    | X0 = X2 ),
    inference(renaming,[status(thm)],[c_2103]) ).

cnf(c_2411,plain,
    ( X0 != skc25
    | ~ in(X1,X2)
    | ~ in(X3,X2)
    | ~ down(skc26,X0)
    | ~ seat(X2)
    | ~ young(X1)
    | ~ young(X3)
    | ~ fellow(X1)
    | ~ fellow(X3)
    | ~ lonely(X0)
    | ~ way(X0)
    | ~ man(X1)
    | ~ man(X3)
    | ~ front(X2)
    | ~ furniture(X2)
    | X1 = X3
    | ssSkC0 ),
    inference(resolution_lifted,[status(thm)],[c_51,c_2047]) ).

cnf(c_2412,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc26,skc25)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ lonely(skc25)
    | ~ way(skc25)
    | X0 = X2
    | ssSkC0 ),
    inference(unflattening,[status(thm)],[c_2411]) ).

cnf(c_2414,plain,
    ( ~ in(X2,X1)
    | ~ in(X0,X1)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | X0 = X2
    | ssSkC0 ),
    inference(global_subsumption_just,[status(thm)],[c_2412,c_68,c_67,c_90,c_2412]) ).

cnf(c_2415,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | X0 = X2
    | ssSkC0 ),
    inference(renaming,[status(thm)],[c_2414]) ).

cnf(c_2458,plain,
    ( X0 != skc17
    | ~ in(X1,X2)
    | ~ in(X3,X2)
    | ~ down(skc19,X0)
    | ~ seat(X2)
    | ~ young(X1)
    | ~ young(X3)
    | ~ fellow(X1)
    | ~ fellow(X3)
    | ~ lonely(X0)
    | ~ way(X0)
    | ~ man(X1)
    | ~ man(X3)
    | ~ front(X2)
    | ~ furniture(X2)
    | ~ ssSkC0
    | X1 = X3 ),
    inference(resolution_lifted,[status(thm)],[c_76,c_2104]) ).

cnf(c_2459,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ down(skc19,skc17)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | ~ lonely(skc17)
    | ~ way(skc17)
    | ~ ssSkC0
    | X0 = X2 ),
    inference(unflattening,[status(thm)],[c_2458]) ).

cnf(c_2461,plain,
    ( ~ furniture(X1)
    | ~ front(X1)
    | ~ man(X2)
    | ~ man(X0)
    | ~ fellow(X2)
    | ~ fellow(X0)
    | ~ young(X2)
    | ~ young(X0)
    | ~ seat(X1)
    | ~ in(X0,X1)
    | ~ in(X2,X1)
    | X0 = X2 ),
    inference(global_subsumption_just,[status(thm)],[c_2459,c_59,c_77,c_95,c_2415,c_2459]) ).

cnf(c_2462,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | ~ seat(X1)
    | ~ young(X0)
    | ~ young(X2)
    | ~ fellow(X0)
    | ~ fellow(X2)
    | ~ man(X0)
    | ~ man(X2)
    | ~ front(X1)
    | ~ furniture(X1)
    | X0 = X2 ),
    inference(renaming,[status(thm)],[c_2461]) ).

cnf(c_2502,plain,
    ( X0 != skc23
    | ~ in(X1,X0)
    | ~ in(X2,X0)
    | ~ young(X1)
    | ~ young(X2)
    | ~ fellow(X1)
    | ~ fellow(X2)
    | ~ man(X1)
    | ~ man(X2)
    | ~ front(X0)
    | ~ furniture(X0)
    | X1 = X2 ),
    inference(resolution_lifted,[status(thm)],[c_53,c_2462]) ).

cnf(c_2503,plain,
    ( ~ in(X0,skc23)
    | ~ in(X1,skc23)
    | ~ young(X0)
    | ~ young(X1)
    | ~ fellow(X0)
    | ~ fellow(X1)
    | ~ man(X0)
    | ~ man(X1)
    | ~ front(skc23)
    | ~ furniture(skc23)
    | X0 = X1 ),
    inference(unflattening,[status(thm)],[c_2502]) ).

cnf(c_2538,plain,
    ( X0 != skc16
    | ~ in(X1,X0)
    | ~ in(X2,X0)
    | ~ young(X1)
    | ~ young(X2)
    | ~ fellow(X1)
    | ~ fellow(X2)
    | ~ man(X1)
    | ~ man(X2)
    | ~ front(X0)
    | ~ furniture(X0)
    | X1 = X2 ),
    inference(resolution_lifted,[status(thm)],[c_60,c_2462]) ).

cnf(c_2539,plain,
    ( ~ in(X0,skc16)
    | ~ in(X1,skc16)
    | ~ young(X0)
    | ~ young(X1)
    | ~ fellow(X0)
    | ~ fellow(X1)
    | ~ man(X0)
    | ~ man(X1)
    | ~ front(skc16)
    | ~ furniture(skc16)
    | X0 = X1 ),
    inference(unflattening,[status(thm)],[c_2538]) ).

cnf(c_5151,plain,
    ( ~ in(X0_13,skc16)
    | ~ in(X1_13,skc16)
    | ~ young(X0_13)
    | ~ young(X1_13)
    | ~ fellow(X0_13)
    | ~ fellow(X1_13)
    | ~ man(X0_13)
    | ~ man(X1_13)
    | ~ front(skc16)
    | ~ furniture(skc16)
    | X0_13 = X1_13 ),
    inference(subtyping,[status(esa)],[c_2539]) ).

cnf(c_5152,plain,
    ( ~ in(X0_13,skc23)
    | ~ in(X1_13,skc23)
    | ~ young(X0_13)
    | ~ young(X1_13)
    | ~ fellow(X0_13)
    | ~ fellow(X1_13)
    | ~ man(X0_13)
    | ~ man(X1_13)
    | ~ front(skc23)
    | ~ furniture(skc23)
    | X0_13 = X1_13 ),
    inference(subtyping,[status(esa)],[c_2503]) ).

cnf(c_5153,negated_conjecture,
    ( skc15 != skc14
    | ~ ssSkC0 ),
    inference(subtyping,[status(esa)],[c_100]) ).

cnf(c_5154,negated_conjecture,
    ( skc22 != skc21
    | ssSkC0 ),
    inference(subtyping,[status(esa)],[c_99]) ).

cnf(c_5177,plain,
    ( ~ in(X0_13,skc23)
    | ~ in(X1_13,skc23)
    | ~ man(X0_13)
    | ~ man(X1_13)
    | ~ fellow(X0_13)
    | ~ fellow(X1_13)
    | ~ young(X0_13)
    | ~ young(X1_13)
    | X0_13 = X1_13
    | ~ sP0_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP0_iProver_split])],[c_5152]) ).

cnf(c_5178,plain,
    ( ~ front(skc23)
    | ~ furniture(skc23)
    | sP0_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_5152]) ).

cnf(c_5179,plain,
    ( ~ in(X0_13,skc16)
    | ~ in(X1_13,skc16)
    | ~ man(X0_13)
    | ~ man(X1_13)
    | ~ fellow(X0_13)
    | ~ fellow(X1_13)
    | ~ young(X0_13)
    | ~ young(X1_13)
    | X0_13 = X1_13
    | ~ sP1_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP1_iProver_split])],[c_5151]) ).

cnf(c_5180,plain,
    ( ~ front(skc16)
    | ~ furniture(skc16)
    | sP1_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_5151]) ).

cnf(c_5192,plain,
    ( ~ in(skc22,skc23)
    | ~ in(skc21,skc23)
    | ~ young(skc22)
    | ~ young(skc21)
    | ~ fellow(skc22)
    | ~ fellow(skc21)
    | ~ man(skc22)
    | ~ man(skc21)
    | ~ sP0_iProver_split
    | skc22 = skc21 ),
    inference(instantiation,[status(thm)],[c_5177]) ).

cnf(c_5201,plain,
    ( ~ in(skc15,skc16)
    | ~ in(skc14,skc16)
    | ~ young(skc15)
    | ~ young(skc14)
    | ~ fellow(skc15)
    | ~ fellow(skc14)
    | ~ man(skc15)
    | ~ man(skc14)
    | ~ sP1_iProver_split
    | skc15 = skc14 ),
    inference(instantiation,[status(thm)],[c_5179]) ).

cnf(c_5202,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_5201,c_5192,c_5180,c_5178,c_5154,c_5153,c_97,c_98,c_83,c_84,c_85,c_86,c_87,c_88,c_92,c_93,c_70,c_71,c_72,c_73,c_74,c_75,c_54,c_55,c_61,c_62]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : NLP009-1 : TPTP v8.1.2. Released v2.4.0.
% 0.12/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n023.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Thu Aug 24 12:49:42 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.18/0.46  Running first-order theorem proving
% 0.18/0.46  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 2.45/1.19  % SZS status Started for theBenchmark.p
% 2.45/1.19  % SZS status Unsatisfiable for theBenchmark.p
% 2.45/1.19  
% 2.45/1.19  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 2.45/1.19  
% 2.45/1.19  ------  iProver source info
% 2.45/1.19  
% 2.45/1.19  git: date: 2023-05-31 18:12:56 +0000
% 2.45/1.19  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 2.45/1.19  git: non_committed_changes: false
% 2.45/1.19  git: last_make_outside_of_git: false
% 2.45/1.19  
% 2.45/1.19  ------ Parsing...successful
% 2.45/1.19  
% 2.45/1.19  ------  preprocesses with Option_epr_non_horn_eq
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  ------ Preprocessing... sup_sim: 1  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe:4:0s pe:8:0s pe_e  sup_sim: 0  sf_s  rm: 15 0s  sf_e  pe_s  pe_e 
% 2.45/1.19  
% 2.45/1.19  ------ Preprocessing...------  preprocesses with Option_epr_non_horn_eq
% 2.45/1.19   gs_s  sp: 2 0s  gs_e  snvd_s sp: 0 0s snvd_e ------  preprocesses with Option_epr_non_horn_eq
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.45/1.19  ------ Proving...
% 2.45/1.19  ------ Problem Properties 
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  clauses                                 28
% 2.45/1.19  conjectures                             24
% 2.45/1.19  EPR                                     28
% 2.45/1.19  Horn                                    19
% 2.45/1.19  unary                                   4
% 2.45/1.19  binary                                  20
% 2.45/1.19  lits                                    70
% 2.45/1.19  lits eq                                 4
% 2.45/1.19  fd_pure                                 0
% 2.45/1.19  fd_pseudo                               0
% 2.45/1.19  fd_cond                                 0
% 2.45/1.19  fd_pseudo_cond                          2
% 2.45/1.19  AC symbols                              0
% 2.45/1.19  
% 2.45/1.19  ------ Schedule EPR non Horn eq is on
% 2.45/1.19  
% 2.45/1.19  ------ Option_epr_non_horn_eq Time Limit: Unbounded
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  ------ 
% 2.45/1.19  Current options:
% 2.45/1.19  ------ 
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  ------ Proving...
% 2.45/1.19  
% 2.45/1.19  
% 2.45/1.19  % SZS status Unsatisfiable for theBenchmark.p
% 2.45/1.19  
% 2.45/1.19  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.45/1.19  
% 2.45/1.19  
%------------------------------------------------------------------------------