## TSTP Solution File: NLP117-1 by Metis---2.4

View Problem - Process Solution

```%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : NLP117-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n029.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 : Mon Jul 18 03:15:03 EDT 2022

% Result   : Unsatisfiable 0.13s 0.37s
% Output   : CNFRefutation 0.20s
% Verified :
% SZS Type : Refutation
%            Derivation depth      :   43
%            Number of leaves      :   36
% Syntax   : Number of clauses     :   95 (  21 unt;  16 nHn;  95 RR)
%            Number of literals    :  530 (   0 equ; 441 neg)
%            Maximal clause size   :   18 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :   19 (  18 usr;   2 prp; 0-3 aty)
%            Number of functors    :   12 (  12 usr;  12 con; 0-0 aty)
%            Number of variables   :   65 (   0 sgn)

%------------------------------------------------------------------------------
cnf(clause1,negated_conjecture,
actual_world(skc18) ).

cnf(clause2,negated_conjecture,
actual_world(skc12) ).

cnf(clause3,negated_conjecture,
( ssSkC0
| old(skc18,skc23) ) ).

cnf(clause4,negated_conjecture,
( ssSkC0
| dirty(skc18,skc23) ) ).

cnf(clause5,negated_conjecture,
( ssSkC0
| white(skc18,skc23) ) ).

cnf(clause6,negated_conjecture,
( ssSkC0
| chevy(skc18,skc23) ) ).

cnf(clause7,negated_conjecture,
( ssSkC0
| barrel(skc18,skc19) ) ).

cnf(clause8,negated_conjecture,
( ssSkC0
| present(skc18,skc19) ) ).

cnf(clause9,negated_conjecture,
( ssSkC0
| event(skc18,skc19) ) ).

cnf(clause10,negated_conjecture,
( ssSkC0
| hollywood_placename(skc18,skc21) ) ).

cnf(clause11,negated_conjecture,
( ssSkC0
| placename(skc18,skc21) ) ).

cnf(clause12,negated_conjecture,
( ssSkC0
| city(skc18,skc22) ) ).

cnf(clause13,negated_conjecture,
( ssSkC0
| street(skc18,skc20) ) ).

cnf(clause14,negated_conjecture,
( ssSkC0
| lonely(skc18,skc20) ) ).

cnf(clause15,negated_conjecture,
( ~ ssSkC0
| lonely(skc12,skc17) ) ).

cnf(clause16,negated_conjecture,
( ~ ssSkC0
| street(skc12,skc17) ) ).

cnf(clause17,negated_conjecture,
( ~ ssSkC0
| barrel(skc12,skc13) ) ).

cnf(clause18,negated_conjecture,
( ~ ssSkC0
| present(skc12,skc13) ) ).

cnf(clause19,negated_conjecture,
( ~ ssSkC0
| event(skc12,skc13) ) ).

cnf(clause20,negated_conjecture,
( ~ ssSkC0
| hollywood_placename(skc12,skc15) ) ).

cnf(clause21,negated_conjecture,
( ~ ssSkC0
| placename(skc12,skc15) ) ).

cnf(clause22,negated_conjecture,
( ~ ssSkC0
| city(skc12,skc16) ) ).

cnf(clause23,negated_conjecture,
( ~ ssSkC0
| chevy(skc12,skc14) ) ).

cnf(clause24,negated_conjecture,
( ~ ssSkC0
| white(skc12,skc14) ) ).

cnf(clause25,negated_conjecture,
( ~ ssSkC0
| dirty(skc12,skc14) ) ).

cnf(clause26,negated_conjecture,
( ~ ssSkC0
| old(skc12,skc14) ) ).

cnf(clause27,negated_conjecture,
( ssSkC0
| agent(skc18,skc19,skc23) ) ).

cnf(clause28,negated_conjecture,
( ssSkC0
| in(skc18,skc19,skc22) ) ).

cnf(clause29,negated_conjecture,
( ssSkC0
| of(skc18,skc21,skc22) ) ).

cnf(clause30,negated_conjecture,
( ssSkC0
| down(skc18,skc19,skc20) ) ).

cnf(clause31,negated_conjecture,
( ~ ssSkC0
| down(skc12,skc13,skc17) ) ).

cnf(clause32,negated_conjecture,
( ~ ssSkC0
| in(skc12,skc13,skc16) ) ).

cnf(clause33,negated_conjecture,
( ~ ssSkC0
| of(skc12,skc15,skc16) ) ).

cnf(clause34,negated_conjecture,
( ~ ssSkC0
| agent(skc12,skc13,skc14) ) ).

cnf(clause35,negated_conjecture,
( ~ down(U,V,W)
| ~ lonely(U,W)
| ~ street(U,W)
| ~ barrel(U,V)
| ~ present(U,V)
| ~ event(U,V)
| ~ hollywood_placename(U,X)
| ~ placename(U,X)
| ~ in(U,V,Y)
| ~ city(U,Y)
| ~ of(U,X,Y)
| ~ chevy(U,Z)
| ~ white(U,Z)
| ~ dirty(U,Z)
| ~ old(U,Z)
| ~ agent(U,V,Z)
| ~ actual_world(U)
| ssSkC0 ) ).

cnf(clause36,negated_conjecture,
( ~ agent(U,V,W)
| ~ old(U,W)
| ~ dirty(U,W)
| ~ white(U,W)
| ~ chevy(U,W)
| ~ barrel(U,V)
| ~ present(U,V)
| ~ event(U,V)
| ~ hollywood_placename(U,X)
| ~ placename(U,X)
| ~ in(U,V,Y)
| ~ city(U,Y)
| ~ of(U,X,Y)
| ~ street(U,Z)
| ~ lonely(U,Z)
| ~ down(U,V,Z)
| ~ actual_world(U)
| ~ ssSkC0 ) ).

cnf(refute_0_0,plain,
( ~ actual_world(skc18)
| ~ agent(skc18,X_1,X_5)
| ~ barrel(skc18,X_1)
| ~ chevy(skc18,X_5)
| ~ city(skc18,skc22)
| ~ dirty(skc18,X_5)
| ~ down(skc18,X_1,X_2)
| ~ event(skc18,X_1)
| ~ hollywood_placename(skc18,skc21)
| ~ in(skc18,X_1,skc22)
| ~ lonely(skc18,X_2)
| ~ of(skc18,skc21,skc22)
| ~ old(skc18,X_5)
| ~ placename(skc18,skc21)
| ~ present(skc18,X_1)
| ~ street(skc18,X_2)
| ~ white(skc18,X_5)
| ssSkC0 ),
inference(subst,[],[clause35:[bind(U,\$fot(skc18)),bind(V,\$fot(X_1)),bind(W,\$fot(X_2)),bind(X,\$fot(skc21)),bind(Y,\$fot(skc22)),bind(Z,\$fot(X_5))]]) ).

cnf(refute_0_1,plain,
( ~ actual_world(skc18)
| ~ agent(skc18,X_1,X_5)
| ~ barrel(skc18,X_1)
| ~ chevy(skc18,X_5)
| ~ city(skc18,skc22)
| ~ dirty(skc18,X_5)
| ~ down(skc18,X_1,X_2)
| ~ event(skc18,X_1)
| ~ hollywood_placename(skc18,skc21)
| ~ in(skc18,X_1,skc22)
| ~ lonely(skc18,X_2)
| ~ old(skc18,X_5)
| ~ placename(skc18,skc21)
| ~ present(skc18,X_1)
| ~ street(skc18,X_2)
| ~ white(skc18,X_5)
| ssSkC0 ),
inference(resolve,[\$cnf( of(skc18,skc21,skc22) )],[clause29,refute_0_0]) ).

cnf(refute_0_2,plain,
( ~ agent(skc18,X_1,X_5)
| ~ barrel(skc18,X_1)
| ~ chevy(skc18,X_5)
| ~ city(skc18,skc22)
| ~ dirty(skc18,X_5)
| ~ down(skc18,X_1,X_2)
| ~ event(skc18,X_1)
| ~ hollywood_placename(skc18,skc21)
| ~ in(skc18,X_1,skc22)
| ~ lonely(skc18,X_2)
| ~ old(skc18,X_5)
| ~ placename(skc18,skc21)
| ~ present(skc18,X_1)
| ~ street(skc18,X_2)
| ~ white(skc18,X_5)
| ssSkC0 ),
inference(resolve,[\$cnf( actual_world(skc18) )],[clause1,refute_0_1]) ).

cnf(refute_0_3,plain,
( ~ agent(skc18,skc19,X_8)
| ~ barrel(skc18,skc19)
| ~ chevy(skc18,X_8)
| ~ city(skc18,skc22)
| ~ dirty(skc18,X_8)
| ~ down(skc18,skc19,X_7)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ in(skc18,skc19,skc22)
| ~ lonely(skc18,X_7)
| ~ old(skc18,X_8)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ~ street(skc18,X_7)
| ~ white(skc18,X_8)
| ssSkC0 ),
inference(subst,[],[refute_0_2:[bind(X_1,\$fot(skc19)),bind(X_2,\$fot(X_7)),bind(X_5,\$fot(X_8))]]) ).

cnf(refute_0_4,plain,
( ~ agent(skc18,skc19,X_8)
| ~ barrel(skc18,skc19)
| ~ chevy(skc18,X_8)
| ~ city(skc18,skc22)
| ~ dirty(skc18,X_8)
| ~ down(skc18,skc19,X_7)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,X_7)
| ~ old(skc18,X_8)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ~ street(skc18,X_7)
| ~ white(skc18,X_8)
| ssSkC0 ),
inference(resolve,[\$cnf( in(skc18,skc19,skc22) )],[clause28,refute_0_3]) ).

cnf(refute_0_5,plain,
( ~ agent(skc18,skc19,X_10)
| ~ barrel(skc18,skc19)
| ~ chevy(skc18,X_10)
| ~ city(skc18,skc22)
| ~ dirty(skc18,X_10)
| ~ down(skc18,skc19,skc20)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,X_10)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ~ street(skc18,skc20)
| ~ white(skc18,X_10)
| ssSkC0 ),
inference(subst,[],[refute_0_4:[bind(X_7,\$fot(skc20)),bind(X_8,\$fot(X_10))]]) ).

cnf(refute_0_6,plain,
( ~ agent(skc18,skc19,X_10)
| ~ barrel(skc18,skc19)
| ~ chevy(skc18,X_10)
| ~ city(skc18,skc22)
| ~ dirty(skc18,X_10)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,X_10)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ~ street(skc18,skc20)
| ~ white(skc18,X_10)
| ssSkC0 ),
inference(resolve,[\$cnf( down(skc18,skc19,skc20) )],[clause30,refute_0_5]) ).

cnf(refute_0_7,plain,
( ~ agent(skc18,skc19,skc23)
| ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,skc23)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ~ street(skc18,skc20)
| ~ white(skc18,skc23)
| ssSkC0 ),
inference(subst,[],[refute_0_6:[bind(X_10,\$fot(skc23))]]) ).

cnf(refute_0_8,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,skc23)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ~ street(skc18,skc20)
| ~ white(skc18,skc23)
| ssSkC0 ),
inference(resolve,[\$cnf( agent(skc18,skc19,skc23) )],[clause27,refute_0_7]) ).

cnf(refute_0_9,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,skc23)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ~ street(skc18,skc20)
| ssSkC0 ),
inference(resolve,[\$cnf( white(skc18,skc23) )],[clause5,refute_0_8]) ).

cnf(refute_0_10,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,skc23)
| ~ placename(skc18,skc21)
| ~ present(skc18,skc19)
| ssSkC0 ),
inference(resolve,[\$cnf( street(skc18,skc20) )],[clause13,refute_0_9]) ).

cnf(refute_0_11,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,skc23)
| ~ placename(skc18,skc21)
| ssSkC0 ),
inference(resolve,[\$cnf( present(skc18,skc19) )],[clause8,refute_0_10]) ).

cnf(refute_0_12,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ~ old(skc18,skc23)
| ssSkC0 ),
inference(resolve,[\$cnf( placename(skc18,skc21) )],[clause11,refute_0_11]) ).

cnf(refute_0_13,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ~ lonely(skc18,skc20)
| ssSkC0 ),
inference(resolve,[\$cnf( old(skc18,skc23) )],[clause3,refute_0_12]) ).

cnf(refute_0_14,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ~ hollywood_placename(skc18,skc21)
| ssSkC0 ),
inference(resolve,[\$cnf( lonely(skc18,skc20) )],[clause14,refute_0_13]) ).

cnf(refute_0_15,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ~ event(skc18,skc19)
| ssSkC0 ),
inference(resolve,[\$cnf( hollywood_placename(skc18,skc21) )],[clause10,refute_0_14]) ).

cnf(refute_0_16,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ~ dirty(skc18,skc23)
| ssSkC0 ),
inference(resolve,[\$cnf( event(skc18,skc19) )],[clause9,refute_0_15]) ).

cnf(refute_0_17,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ~ city(skc18,skc22)
| ssSkC0 ),
inference(resolve,[\$cnf( dirty(skc18,skc23) )],[clause4,refute_0_16]) ).

cnf(refute_0_18,plain,
( ~ barrel(skc18,skc19)
| ~ chevy(skc18,skc23)
| ssSkC0 ),
inference(resolve,[\$cnf( city(skc18,skc22) )],[clause12,refute_0_17]) ).

cnf(refute_0_19,plain,
( ~ barrel(skc18,skc19)
| ssSkC0 ),
inference(resolve,[\$cnf( chevy(skc18,skc23) )],[clause6,refute_0_18]) ).

cnf(refute_0_20,plain,
ssSkC0,
inference(resolve,[\$cnf( barrel(skc18,skc19) )],[clause7,refute_0_19]) ).

cnf(refute_0_21,plain,
agent(skc12,skc13,skc14),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause34]) ).

cnf(refute_0_22,plain,
down(skc12,skc13,skc17),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause31]) ).

cnf(refute_0_23,plain,
in(skc12,skc13,skc16),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause32]) ).

cnf(refute_0_24,plain,
of(skc12,skc15,skc16),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause33]) ).

cnf(refute_0_25,plain,
( ~ actual_world(U)
| ~ agent(U,V,W)
| ~ barrel(U,V)
| ~ chevy(U,W)
| ~ city(U,Y)
| ~ dirty(U,W)
| ~ down(U,V,Z)
| ~ event(U,V)
| ~ hollywood_placename(U,X)
| ~ in(U,V,Y)
| ~ lonely(U,Z)
| ~ of(U,X,Y)
| ~ old(U,W)
| ~ placename(U,X)
| ~ present(U,V)
| ~ street(U,Z)
| ~ white(U,W) ),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause36]) ).

cnf(refute_0_26,plain,
( ~ actual_world(skc12)
| ~ agent(skc12,X_13,X_14)
| ~ barrel(skc12,X_13)
| ~ chevy(skc12,X_14)
| ~ city(skc12,skc16)
| ~ dirty(skc12,X_14)
| ~ down(skc12,X_13,X_17)
| ~ event(skc12,X_13)
| ~ hollywood_placename(skc12,skc15)
| ~ in(skc12,X_13,skc16)
| ~ lonely(skc12,X_17)
| ~ of(skc12,skc15,skc16)
| ~ old(skc12,X_14)
| ~ placename(skc12,skc15)
| ~ present(skc12,X_13)
| ~ street(skc12,X_17)
| ~ white(skc12,X_14) ),
inference(subst,[],[refute_0_25:[bind(U,\$fot(skc12)),bind(V,\$fot(X_13)),bind(W,\$fot(X_14)),bind(X,\$fot(skc15)),bind(Y,\$fot(skc16)),bind(Z,\$fot(X_17))]]) ).

cnf(refute_0_27,plain,
( ~ actual_world(skc12)
| ~ agent(skc12,X_13,X_14)
| ~ barrel(skc12,X_13)
| ~ chevy(skc12,X_14)
| ~ city(skc12,skc16)
| ~ dirty(skc12,X_14)
| ~ down(skc12,X_13,X_17)
| ~ event(skc12,X_13)
| ~ hollywood_placename(skc12,skc15)
| ~ in(skc12,X_13,skc16)
| ~ lonely(skc12,X_17)
| ~ old(skc12,X_14)
| ~ placename(skc12,skc15)
| ~ present(skc12,X_13)
| ~ street(skc12,X_17)
| ~ white(skc12,X_14) ),
inference(resolve,[\$cnf( of(skc12,skc15,skc16) )],[refute_0_24,refute_0_26]) ).

cnf(refute_0_28,plain,
( ~ agent(skc12,X_13,X_14)
| ~ barrel(skc12,X_13)
| ~ chevy(skc12,X_14)
| ~ city(skc12,skc16)
| ~ dirty(skc12,X_14)
| ~ down(skc12,X_13,X_17)
| ~ event(skc12,X_13)
| ~ hollywood_placename(skc12,skc15)
| ~ in(skc12,X_13,skc16)
| ~ lonely(skc12,X_17)
| ~ old(skc12,X_14)
| ~ placename(skc12,skc15)
| ~ present(skc12,X_13)
| ~ street(skc12,X_17)
| ~ white(skc12,X_14) ),
inference(resolve,[\$cnf( actual_world(skc12) )],[clause2,refute_0_27]) ).

cnf(refute_0_29,plain,
city(skc12,skc16),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause22]) ).

cnf(refute_0_30,plain,
( ~ agent(skc12,X_13,X_14)
| ~ barrel(skc12,X_13)
| ~ chevy(skc12,X_14)
| ~ dirty(skc12,X_14)
| ~ down(skc12,X_13,X_17)
| ~ event(skc12,X_13)
| ~ hollywood_placename(skc12,skc15)
| ~ in(skc12,X_13,skc16)
| ~ lonely(skc12,X_17)
| ~ old(skc12,X_14)
| ~ placename(skc12,skc15)
| ~ present(skc12,X_13)
| ~ street(skc12,X_17)
| ~ white(skc12,X_14) ),
inference(resolve,[\$cnf( city(skc12,skc16) )],[refute_0_29,refute_0_28]) ).

cnf(refute_0_31,plain,
hollywood_placename(skc12,skc15),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause20]) ).

cnf(refute_0_32,plain,
( ~ agent(skc12,X_13,X_14)
| ~ barrel(skc12,X_13)
| ~ chevy(skc12,X_14)
| ~ dirty(skc12,X_14)
| ~ down(skc12,X_13,X_17)
| ~ event(skc12,X_13)
| ~ in(skc12,X_13,skc16)
| ~ lonely(skc12,X_17)
| ~ old(skc12,X_14)
| ~ placename(skc12,skc15)
| ~ present(skc12,X_13)
| ~ street(skc12,X_17)
| ~ white(skc12,X_14) ),
inference(resolve,[\$cnf( hollywood_placename(skc12,skc15) )],[refute_0_31,refute_0_30]) ).

cnf(refute_0_33,plain,
placename(skc12,skc15),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause21]) ).

cnf(refute_0_34,plain,
( ~ agent(skc12,X_13,X_14)
| ~ barrel(skc12,X_13)
| ~ chevy(skc12,X_14)
| ~ dirty(skc12,X_14)
| ~ down(skc12,X_13,X_17)
| ~ event(skc12,X_13)
| ~ in(skc12,X_13,skc16)
| ~ lonely(skc12,X_17)
| ~ old(skc12,X_14)
| ~ present(skc12,X_13)
| ~ street(skc12,X_17)
| ~ white(skc12,X_14) ),
inference(resolve,[\$cnf( placename(skc12,skc15) )],[refute_0_33,refute_0_32]) ).

cnf(refute_0_35,plain,
( ~ agent(skc12,skc13,X_19)
| ~ barrel(skc12,skc13)
| ~ chevy(skc12,X_19)
| ~ dirty(skc12,X_19)
| ~ down(skc12,skc13,X_20)
| ~ event(skc12,skc13)
| ~ in(skc12,skc13,skc16)
| ~ lonely(skc12,X_20)
| ~ old(skc12,X_19)
| ~ present(skc12,skc13)
| ~ street(skc12,X_20)
| ~ white(skc12,X_19) ),
inference(subst,[],[refute_0_34:[bind(X_13,\$fot(skc13)),bind(X_14,\$fot(X_19)),bind(X_17,\$fot(X_20))]]) ).

cnf(refute_0_36,plain,
( ~ agent(skc12,skc13,X_19)
| ~ barrel(skc12,skc13)
| ~ chevy(skc12,X_19)
| ~ dirty(skc12,X_19)
| ~ down(skc12,skc13,X_20)
| ~ event(skc12,skc13)
| ~ lonely(skc12,X_20)
| ~ old(skc12,X_19)
| ~ present(skc12,skc13)
| ~ street(skc12,X_20)
| ~ white(skc12,X_19) ),
inference(resolve,[\$cnf( in(skc12,skc13,skc16) )],[refute_0_23,refute_0_35]) ).

cnf(refute_0_37,plain,
barrel(skc12,skc13),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause17]) ).

cnf(refute_0_38,plain,
( ~ agent(skc12,skc13,X_19)
| ~ chevy(skc12,X_19)
| ~ dirty(skc12,X_19)
| ~ down(skc12,skc13,X_20)
| ~ event(skc12,skc13)
| ~ lonely(skc12,X_20)
| ~ old(skc12,X_19)
| ~ present(skc12,skc13)
| ~ street(skc12,X_20)
| ~ white(skc12,X_19) ),
inference(resolve,[\$cnf( barrel(skc12,skc13) )],[refute_0_37,refute_0_36]) ).

cnf(refute_0_39,plain,
event(skc12,skc13),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause19]) ).

cnf(refute_0_40,plain,
( ~ agent(skc12,skc13,X_19)
| ~ chevy(skc12,X_19)
| ~ dirty(skc12,X_19)
| ~ down(skc12,skc13,X_20)
| ~ lonely(skc12,X_20)
| ~ old(skc12,X_19)
| ~ present(skc12,skc13)
| ~ street(skc12,X_20)
| ~ white(skc12,X_19) ),
inference(resolve,[\$cnf( event(skc12,skc13) )],[refute_0_39,refute_0_38]) ).

cnf(refute_0_41,plain,
present(skc12,skc13),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause18]) ).

cnf(refute_0_42,plain,
( ~ agent(skc12,skc13,X_19)
| ~ chevy(skc12,X_19)
| ~ dirty(skc12,X_19)
| ~ down(skc12,skc13,X_20)
| ~ lonely(skc12,X_20)
| ~ old(skc12,X_19)
| ~ street(skc12,X_20)
| ~ white(skc12,X_19) ),
inference(resolve,[\$cnf( present(skc12,skc13) )],[refute_0_41,refute_0_40]) ).

cnf(refute_0_43,plain,
( ~ agent(skc12,skc13,X_21)
| ~ chevy(skc12,X_21)
| ~ dirty(skc12,X_21)
| ~ down(skc12,skc13,skc17)
| ~ lonely(skc12,skc17)
| ~ old(skc12,X_21)
| ~ street(skc12,skc17)
| ~ white(skc12,X_21) ),
inference(subst,[],[refute_0_42:[bind(X_19,\$fot(X_21)),bind(X_20,\$fot(skc17))]]) ).

cnf(refute_0_44,plain,
( ~ agent(skc12,skc13,X_21)
| ~ chevy(skc12,X_21)
| ~ dirty(skc12,X_21)
| ~ lonely(skc12,skc17)
| ~ old(skc12,X_21)
| ~ street(skc12,skc17)
| ~ white(skc12,X_21) ),
inference(resolve,[\$cnf( down(skc12,skc13,skc17) )],[refute_0_22,refute_0_43]) ).

cnf(refute_0_45,plain,
lonely(skc12,skc17),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause15]) ).

cnf(refute_0_46,plain,
( ~ agent(skc12,skc13,X_21)
| ~ chevy(skc12,X_21)
| ~ dirty(skc12,X_21)
| ~ old(skc12,X_21)
| ~ street(skc12,skc17)
| ~ white(skc12,X_21) ),
inference(resolve,[\$cnf( lonely(skc12,skc17) )],[refute_0_45,refute_0_44]) ).

cnf(refute_0_47,plain,
street(skc12,skc17),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause16]) ).

cnf(refute_0_48,plain,
( ~ agent(skc12,skc13,X_21)
| ~ chevy(skc12,X_21)
| ~ dirty(skc12,X_21)
| ~ old(skc12,X_21)
| ~ white(skc12,X_21) ),
inference(resolve,[\$cnf( street(skc12,skc17) )],[refute_0_47,refute_0_46]) ).

cnf(refute_0_49,plain,
( ~ agent(skc12,skc13,skc14)
| ~ chevy(skc12,skc14)
| ~ dirty(skc12,skc14)
| ~ old(skc12,skc14)
| ~ white(skc12,skc14) ),
inference(subst,[],[refute_0_48:[bind(X_21,\$fot(skc14))]]) ).

cnf(refute_0_50,plain,
( ~ chevy(skc12,skc14)
| ~ dirty(skc12,skc14)
| ~ old(skc12,skc14)
| ~ white(skc12,skc14) ),
inference(resolve,[\$cnf( agent(skc12,skc13,skc14) )],[refute_0_21,refute_0_49]) ).

cnf(refute_0_51,plain,
chevy(skc12,skc14),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause23]) ).

cnf(refute_0_52,plain,
( ~ dirty(skc12,skc14)
| ~ old(skc12,skc14)
| ~ white(skc12,skc14) ),
inference(resolve,[\$cnf( chevy(skc12,skc14) )],[refute_0_51,refute_0_50]) ).

cnf(refute_0_53,plain,
dirty(skc12,skc14),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause25]) ).

cnf(refute_0_54,plain,
( ~ old(skc12,skc14)
| ~ white(skc12,skc14) ),
inference(resolve,[\$cnf( dirty(skc12,skc14) )],[refute_0_53,refute_0_52]) ).

cnf(refute_0_55,plain,
old(skc12,skc14),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause26]) ).

cnf(refute_0_56,plain,
~ white(skc12,skc14),
inference(resolve,[\$cnf( old(skc12,skc14) )],[refute_0_55,refute_0_54]) ).

cnf(refute_0_57,plain,
white(skc12,skc14),
inference(resolve,[\$cnf( ssSkC0 )],[refute_0_20,clause24]) ).

cnf(refute_0_58,plain,
\$false,
inference(resolve,[\$cnf( white(skc12,skc14) )],[refute_0_57,refute_0_56]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : NLP117-1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n029.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Fri Jul  1 12:02:09 EDT 2022
% 0.13/0.34  % CPUTime  :
% 0.13/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.13/0.37  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.37
% 0.13/0.37  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.20/0.38
%------------------------------------------------------------------------------
```