%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : NLP141+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n017.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Fri Sep 25 02:16:34 PM UTC 2026
% Result : Theorem 2.93s 1.26s
% Output : CNFRefutation 2.93s
% Verified :
% SZS Type : Refutation
% Derivation depth : 25
% Number of leaves : 12
% Syntax : Number of formulae : 100 ( 7 unt; 0 def)
% Number of atoms : 532 ( 62 equ)
% Maximal formula atoms : 27 ( 5 avg)
% Number of connectives : 568 ( 136 ~; 119 |; 277 &)
% ( 3 <=>; 33 =>; 0 <=; 0 <~>)
% Maximal formula depth : 34 ( 8 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 35 ( 33 usr; 1 prp; 0-4 aty)
% Number of functors : 11 ( 11 usr; 6 con; 0-4 aty)
% Number of variables : 311 ( 0 sgn 203 !; 108 ?; 82 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] :
( furniture(X0,X1)
=> instrumentality(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax1) ).
fof(f2,axiom,
! [X0,X1] :
( seat(X0,X1)
=> furniture(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax2) ).
fof(f3,axiom,
! [X0,X1] :
( frontseat(X0,X1)
=> seat(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax3) ).
fof(f16,axiom,
! [X0,X1] :
( object(X0,X1)
=> unisex(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax16) ).
fof(f20,axiom,
! [X0,X1] :
( artifact(X0,X1)
=> object(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax20) ).
fof(f21,axiom,
! [X0,X1] :
( instrumentality(X0,X1)
=> artifact(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax21) ).
fof(f37,axiom,
! [X0,X1] :
( man(X0,X1)
=> male(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax37) ).
fof(f49,axiom,
! [X0,X1] :
( fellow(X0,X1)
=> man(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax49) ).
fof(f56,axiom,
! [X0,X1] :
( unisex(X0,X1)
=> ~ male(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax56) ).
fof(f59,axiom,
! [X0,X1,X2,X3] :
( be(X0,X1,X2,X3)
=> X2 = X3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax59) ).
fof(f60,axiom,
! [X0,X1] :
( two(X0,X1)
<=> ? [X2] :
( ? [X3] :
( ! [X4] :
( member(X0,X4,X1)
=> ( X4 = X2
| X4 = X3 ) )
& X3 != X2
& member(X0,X3,X1) )
& member(X0,X2,X1) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax60) ).
fof(f62,conjecture,
~ ? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( in(X0,X8,X8)
& be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& in(X0,X4,X3)
& down(X0,X4,X3)
& barrel(X0,X4)
& present(X0,X4)
& agent(X0,X4,X1)
& event(X0,X4)
& lonely(X0,X3)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).
fof(f63,negated_conjecture,
~ ~ ? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( in(X0,X8,X8)
& be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& in(X0,X4,X3)
& down(X0,X4,X3)
& barrel(X0,X4)
& present(X0,X4)
& agent(X0,X4,X1)
& event(X0,X4)
& lonely(X0,X3)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(negated_conjecture,[status(cth)],[f62]) ).
fof(f64,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( in(X0,X8,X8)
& be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& in(X0,X4,X3)
& down(X0,X4,X3)
& barrel(X0,X4)
& present(X0,X4)
& agent(X0,X4,X1)
& event(X0,X4)
& lonely(X0,X3)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(flattening,[],[f63]) ).
fof(f65,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& down(X0,X4,X3)
& barrel(X0,X4)
& present(X0,X4)
& agent(X0,X4,X1)
& event(X0,X4)
& lonely(X0,X3)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(pure_predicate_removal,[],[f64]) ).
fof(f66,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& present(X0,X4)
& agent(X0,X4,X1)
& event(X0,X4)
& lonely(X0,X3)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(pure_predicate_removal,[],[f65]) ).
fof(f67,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& agent(X0,X4,X1)
& event(X0,X4)
& lonely(X0,X3)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(pure_predicate_removal,[],[f66]) ).
fof(f68,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& event(X0,X4)
& lonely(X0,X3)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(pure_predicate_removal,[],[f67]) ).
fof(f69,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& event(X0,X4)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& dirty(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(pure_predicate_removal,[],[f68]) ).
fof(f70,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& event(X0,X4)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& white(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(pure_predicate_removal,[],[f69]) ).
fof(f71,plain,
? [X0] :
( ? [X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& event(X0,X4)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& chevy(X0,X1) )
& actual_world(X0) ),
inference(pure_predicate_removal,[],[f70]) ).
fof(f72,plain,
? [X0,X1,X2,X3,X4,X5] :
( ! [X9] :
( member(X0,X9,X5)
=> ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( member(X0,X6,X5)
=> ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& event(X0,X4)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& chevy(X0,X1) ),
inference(pure_predicate_removal,[],[f71]) ).
fof(f75,plain,
! [X0,X1] :
( ~ furniture(X0,X1)
| instrumentality(X0,X1) ),
inference(ennf_transformation,[],[f1]) ).
fof(f76,plain,
! [X0,X1] :
( ~ seat(X0,X1)
| furniture(X0,X1) ),
inference(ennf_transformation,[],[f2]) ).
fof(f77,plain,
! [X0,X1] :
( ~ frontseat(X0,X1)
| seat(X0,X1) ),
inference(ennf_transformation,[],[f3]) ).
fof(f90,plain,
! [X0,X1] :
( ~ object(X0,X1)
| unisex(X0,X1) ),
inference(ennf_transformation,[],[f16]) ).
fof(f93,plain,
! [X0,X1] :
( ~ artifact(X0,X1)
| object(X0,X1) ),
inference(ennf_transformation,[],[f20]) ).
fof(f94,plain,
! [X0,X1] :
( ~ instrumentality(X0,X1)
| artifact(X0,X1) ),
inference(ennf_transformation,[],[f21]) ).
fof(f110,plain,
! [X0,X1] :
( ~ man(X0,X1)
| male(X0,X1) ),
inference(ennf_transformation,[],[f37]) ).
fof(f121,plain,
! [X0,X1] :
( ~ fellow(X0,X1)
| man(X0,X1) ),
inference(ennf_transformation,[],[f49]) ).
fof(f128,plain,
! [X0,X1] :
( ~ unisex(X0,X1)
| ~ male(X0,X1) ),
inference(ennf_transformation,[],[f56]) ).
fof(f132,plain,
! [X0,X1,X2,X3] :
( ~ be(X0,X1,X2,X3)
| X2 = X3 ),
inference(ennf_transformation,[],[f59]) ).
fof(f133,plain,
! [X0,X1] :
( two(X0,X1)
<=> ? [X2] :
( ? [X3] :
( ! [X4] :
( ~ member(X0,X4,X1)
| X4 = X2
| X4 = X3 )
& X3 != X2
& member(X0,X3,X1) )
& member(X0,X2,X1) ) ),
inference(ennf_transformation,[],[f60]) ).
fof(f134,plain,
! [X0,X1] :
( two(X0,X1)
<=> ? [X2] :
( ? [X3] :
( ! [X4] :
( ~ member(X0,X4,X1)
| X4 = X2
| X4 = X3 )
& X3 != X2
& member(X0,X3,X1) )
& member(X0,X2,X1) ) ),
inference(flattening,[],[f133]) ).
fof(f137,plain,
? [X0,X1,X2,X3,X4,X5] :
( ! [X9] :
( ~ member(X0,X9,X5)
| ( young(X0,X9)
& fellow(X0,X9) ) )
& group(X0,X5)
& two(X0,X5)
& ! [X6] :
( ~ member(X0,X6,X5)
| ? [X7,X8] :
( be(X0,X7,X6,X8)
& state(X0,X7)
& frontseat(X0,X8) ) )
& barrel(X0,X4)
& event(X0,X4)
& street(X0,X3)
& placename(X0,X2)
& hollywood_placename(X0,X2)
& city(X0,X3)
& of(X0,X2,X3)
& old(X0,X1)
& chevy(X0,X1) ),
inference(ennf_transformation,[],[f72]) ).
fof(f138,plain,
! [X0,X1] :
( ( ~ two(X0,X1)
| ? [X2] :
( ? [X3] :
( ! [X4] :
( ~ member(X0,X4,X1)
| X4 = X2
| X4 = X3 )
& X3 != X2
& member(X0,X3,X1) )
& member(X0,X2,X1) ) )
& ( ! [X2] :
( ! [X3] :
( ? [X4] :
( member(X0,X4,X1)
& X2 != X4
& X3 != X4 )
| X2 = X3
| ~ member(X0,X3,X1) )
| ~ member(X0,X2,X1) )
| two(X0,X1) ) ),
inference(nnf_transformation,[],[f134]) ).
fof(f139,plain,
! [X0,X1] :
( ( ~ two(X0,X1)
| ? [X5] :
( ? [X6] :
( ! [X7] :
( ~ member(X0,X7,X1)
| X5 = X7
| X6 = X7 )
& X5 != X6
& member(X0,X6,X1) )
& member(X0,X5,X1) ) )
& ( ! [X2] :
( ! [X3] :
( ? [X4] :
( member(X0,X4,X1)
& X2 != X4
& X3 != X4 )
| X2 = X3
| ~ member(X0,X3,X1) )
| ~ member(X0,X2,X1) )
| two(X0,X1) ) ),
inference(rectify,[],[f138]) ).
fof(f140,plain,
! [X0,X1] :
( ( ~ two(X0,X1)
| ( ! [X7] :
( ~ member(X0,X7,X1)
| sK1(X0,X1) = X7
| sK2(X0,X1) = X7 )
& sK1(X0,X1) != sK2(X0,X1)
& member(X0,sK2(X0,X1),X1)
& member(X0,sK1(X0,X1),X1) ) )
& ( ! [X2] :
( ! [X3] :
( ( member(X0,sK0(X0,X1,X2,X3),X1)
& sK0(X0,X1,X2,X3) != X2
& sK0(X0,X1,X2,X3) != X3 )
| X2 = X3
| ~ member(X0,X3,X1) )
| ~ member(X0,X2,X1) )
| two(X0,X1) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2]),skolemize(X4,sK0(X0,X1,X2,X3)),skolemize(X5,sK1(X0,X1)),skolemize(X6,sK2(X0,X1))],[f139]) ).
fof(f141,plain,
( ! [X9] :
( ~ member(sK3,X9,sK8)
| ( young(sK3,X9)
& fellow(sK3,X9) ) )
& group(sK3,sK8)
& two(sK3,sK8)
& ! [X6] :
( ~ member(sK3,X6,sK8)
| ( be(sK3,sK9(X6),X6,sK10(X6))
& state(sK3,sK9(X6))
& frontseat(sK3,sK10(X6)) ) )
& barrel(sK3,sK7)
& event(sK3,sK7)
& street(sK3,sK6)
& placename(sK3,sK5)
& hollywood_placename(sK3,sK5)
& city(sK3,sK6)
& of(sK3,sK5,sK6)
& old(sK3,sK4)
& chevy(sK3,sK4) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK3,sK4,sK5,sK6,sK7,sK8,sK9,sK10]),skolemize(X0,sK3),skolemize(X1,sK4),skolemize(X2,sK5),skolemize(X3,sK6),skolemize(X4,sK7),skolemize(X5,sK8),skolemize(X7,sK9(X6)),skolemize(X8,sK10(X6))],[f137]) ).
fof(f142,plain,
! [X0,X1] :
( ~ furniture(X0,X1)
| instrumentality(X0,X1) ),
inference(cnf_transformation,[],[f75]) ).
fof(f143,plain,
! [X0,X1] :
( ~ seat(X0,X1)
| furniture(X0,X1) ),
inference(cnf_transformation,[],[f76]) ).
fof(f144,plain,
! [X0,X1] :
( ~ frontseat(X0,X1)
| seat(X0,X1) ),
inference(cnf_transformation,[],[f77]) ).
fof(f157,plain,
! [X0,X1] :
( ~ object(X0,X1)
| unisex(X0,X1) ),
inference(cnf_transformation,[],[f90]) ).
fof(f160,plain,
! [X0,X1] :
( ~ artifact(X0,X1)
| object(X0,X1) ),
inference(cnf_transformation,[],[f93]) ).
fof(f161,plain,
! [X0,X1] :
( ~ instrumentality(X0,X1)
| artifact(X0,X1) ),
inference(cnf_transformation,[],[f94]) ).
fof(f177,plain,
! [X0,X1] :
( ~ man(X0,X1)
| male(X0,X1) ),
inference(cnf_transformation,[],[f110]) ).
fof(f188,plain,
! [X0,X1] :
( ~ fellow(X0,X1)
| man(X0,X1) ),
inference(cnf_transformation,[],[f121]) ).
fof(f195,plain,
! [X0,X1] :
( ~ unisex(X0,X1)
| ~ male(X0,X1) ),
inference(cnf_transformation,[],[f128]) ).
fof(f198,plain,
! [X2,X3,X0,X1] :
( ~ be(X0,X1,X2,X3)
| X2 = X3 ),
inference(cnf_transformation,[],[f132]) ).
fof(f201,plain,
! [X0,X1] :
( ~ two(X0,X1)
| member(X0,sK2(X0,X1),X1) ),
inference(cnf_transformation,[],[f140]) ).
fof(f208,plain,
! [X9] :
( ~ member(sK3,X9,sK8)
| fellow(sK3,X9) ),
inference(cnf_transformation,[],[f141]) ).
fof(f210,plain,
two(sK3,sK8),
inference(cnf_transformation,[],[f141]) ).
fof(f211,plain,
! [X6] :
( ~ member(sK3,X6,sK8)
| be(sK3,sK9(X6),X6,sK10(X6)) ),
inference(cnf_transformation,[],[f141]) ).
fof(f213,plain,
! [X6] :
( ~ member(sK3,X6,sK8)
| frontseat(sK3,sK10(X6)) ),
inference(cnf_transformation,[],[f141]) ).
tcf(c_49,plain,
! [X0: $i,X1: $i] :
( instrumentality(X0,X1)
| ~ furniture(X0,X1) ),
inference(cnf_transformation,[],[f142]) ).
tcf(c_50,plain,
! [X0: $i,X1: $i] :
( furniture(X0,X1)
| ~ seat(X0,X1) ),
inference(cnf_transformation,[],[f143]) ).
tcf(c_51,plain,
! [X0: $i,X1: $i] :
( seat(X0,X1)
| ~ frontseat(X0,X1) ),
inference(cnf_transformation,[],[f144]) ).
tcf(c_64,plain,
! [X0: $i,X1: $i] :
( unisex(X0,X1)
| ~ object(X0,X1) ),
inference(cnf_transformation,[],[f157]) ).
tcf(c_67,plain,
! [X0: $i,X1: $i] :
( object(X0,X1)
| ~ artifact(X0,X1) ),
inference(cnf_transformation,[],[f160]) ).
tcf(c_68,plain,
! [X0: $i,X1: $i] :
( artifact(X0,X1)
| ~ instrumentality(X0,X1) ),
inference(cnf_transformation,[],[f161]) ).
tcf(c_84,plain,
! [X0: $i,X1: $i] :
( male(X0,X1)
| ~ man(X0,X1) ),
inference(cnf_transformation,[],[f177]) ).
tcf(c_95,plain,
! [X0: $i,X1: $i] :
( man(X0,X1)
| ~ fellow(X0,X1) ),
inference(cnf_transformation,[],[f188]) ).
tcf(c_102,plain,
! [X0: $i,X1: $i] :
( ~ male(X0,X1)
| ~ unisex(X0,X1) ),
inference(cnf_transformation,[],[f195]) ).
tcf(c_105,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ( X2 = X3 )
| ~ be(X0,X1,X2,X3) ),
inference(cnf_transformation,[],[f198]) ).
tcf(c_110,plain,
! [X0: $i,X1: $i] :
( member(X0,sK2(X0,X1),X1)
| ~ two(X0,X1) ),
inference(cnf_transformation,[],[f201]) ).
tcf(c_123,negated_conjecture,
! [X0: $i] :
( frontseat(sK3,sK10(X0))
| ~ member(sK3,X0,sK8) ),
inference(cnf_transformation,[],[f213]) ).
tcf(c_125,negated_conjecture,
! [X0: $i] :
( be(sK3,sK9(X0),X0,sK10(X0))
| ~ member(sK3,X0,sK8) ),
inference(cnf_transformation,[],[f211]) ).
tcf(c_126,negated_conjecture,
two(sK3,sK8),
inference(cnf_transformation,[],[f210]) ).
tcf(c_128,negated_conjecture,
! [X0: $i] :
( fellow(sK3,X0)
| ~ member(sK3,X0,sK8) ),
inference(cnf_transformation,[],[f208]) ).
tcf(c_914,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( instrumentality(X1,X3)
| ~ seat(X0,X2)
| ( X2 != X3 )
| ( X0 != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_50,c_49]) ).
tcf(c_915,plain,
! [X0: $i,X1: $i] :
( instrumentality(X0,X1)
| ~ seat(X0,X1) ),
inference(unflattening,[status(thm)],[c_914]) ).
tcf(c_925,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( instrumentality(X1,X3)
| ~ frontseat(X0,X2)
| ( X2 != X3 )
| ( X0 != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_51,c_915]) ).
tcf(c_926,plain,
! [X0: $i,X1: $i] :
( instrumentality(X0,X1)
| ~ frontseat(X0,X1) ),
inference(unflattening,[status(thm)],[c_925]) ).
tcf(c_936,plain,
! [X0: $i,X1: $i,X2: $i] :
( instrumentality(X0,X2)
| ~ member(sK3,X1,sK8)
| ( X0 != sK3 )
| ( sK10(X1) != X2 ) ),
inference(resolution_lifted,[status(thm)],[c_926,c_123]) ).
tcf(c_937,plain,
! [X0: $i] :
( instrumentality(sK3,sK10(X0))
| ~ member(sK3,X0,sK8) ),
inference(unflattening,[status(thm)],[c_936]) ).
tcf(c_1024,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ~ man(X0,X2)
| ~ unisex(X1,X3)
| ( X2 != X3 )
| ( X0 != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_84,c_102]) ).
tcf(c_1025,plain,
! [X0: $i,X1: $i] :
( ~ man(X0,X1)
| ~ unisex(X0,X1) ),
inference(unflattening,[status(thm)],[c_1024]) ).
tcf(c_1090,plain,
! [X0: $i,X1: $i,X2: $i] :
( man(X0,X1)
| ~ member(sK3,X2,sK8)
| ( X1 != X2 )
| ( X0 != sK3 ) ),
inference(resolution_lifted,[status(thm)],[c_95,c_128]) ).
tcf(c_1091,plain,
! [X0: $i] :
( man(sK3,X0)
| ~ member(sK3,X0,sK8) ),
inference(unflattening,[status(thm)],[c_1090]) ).
tcf(c_1101,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] :
( ( X3 = X4 )
| ~ member(sK3,X1,sK8)
| ( X1 != X3 )
| ( X0 != sK3 )
| ( sK9(X1) != X2 )
| ( sK10(X1) != X4 ) ),
inference(resolution_lifted,[status(thm)],[c_105,c_125]) ).
tcf(c_1102,plain,
! [X0: $i] :
( ( X0 = sK10(X0) )
| ~ member(sK3,X0,sK8) ),
inference(unflattening,[status(thm)],[c_1101]) ).
tcf(c_1117,plain,
! [X0: $i,X1: $i,X2: $i] :
( artifact(X0,X2)
| ~ member(sK3,X1,sK8)
| ( X0 != sK3 )
| ( sK10(X1) != X2 ) ),
inference(resolution_lifted,[status(thm)],[c_68,c_937]) ).
tcf(c_1118,plain,
! [X0: $i] :
( artifact(sK3,sK10(X0))
| ~ member(sK3,X0,sK8) ),
inference(unflattening,[status(thm)],[c_1117]) ).
tcf(c_1172,plain,
! [X0: $i,X1: $i,X2: $i] :
( object(X0,X2)
| ~ member(sK3,X1,sK8)
| ( X0 != sK3 )
| ( sK10(X1) != X2 ) ),
inference(resolution_lifted,[status(thm)],[c_67,c_1118]) ).
tcf(c_1173,plain,
! [X0: $i] :
( object(sK3,sK10(X0))
| ~ member(sK3,X0,sK8) ),
inference(unflattening,[status(thm)],[c_1172]) ).
tcf(c_1228,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ unisex(X0,X1)
| ~ member(sK3,X2,sK8)
| ( X1 != X2 )
| ( X0 != sK3 ) ),
inference(resolution_lifted,[status(thm)],[c_1025,c_1091]) ).
tcf(c_1229,plain,
! [X0: $i] :
( ~ unisex(sK3,X0)
| ~ member(sK3,X0,sK8) ),
inference(unflattening,[status(thm)],[c_1228]) ).
tcf(c_1272,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ object(X0,X1)
| ~ member(sK3,X2,sK8)
| ( X1 != X2 )
| ( X0 != sK3 ) ),
inference(resolution_lifted,[status(thm)],[c_64,c_1229]) ).
tcf(c_1273,plain,
! [X0: $i] :
( ~ object(sK3,X0)
| ~ member(sK3,X0,sK8) ),
inference(unflattening,[status(thm)],[c_1272]) ).
tcf(c_1337,plain,
! [X0: $i,X1: $i] :
( ~ member(sK3,X1,sK8)
| ~ member(sK3,X0,sK8)
| ( sK3 != sK3 )
| ( sK10(X0) != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_1173,c_1273]) ).
tcf(c_1338,plain,
! [X0: $i] :
( ~ member(sK3,X0,sK8)
| ~ member(sK3,sK10(X0),sK8) ),
inference(unflattening,[status(thm)],[c_1337]) ).
tcf(c_2145,plain,
! [X0: $i,X1: $i] :
( member(X0,sK2(X0,X1),X1)
| ( X1 != sK8 )
| ( X0 != sK3 ) ),
inference(resolution_lifted,[status(thm)],[c_110,c_126]) ).
tcf(c_2146,plain,
member(sK3,sK2(sK3,sK8),sK8),
inference(unflattening,[status(thm)],[c_2145]) ).
tcf(c_3518,plain,
! [X0: $i] :
( ~ member(sK3,X0,sK8)
| ~ member(sK3,sK10(X0),sK8) ),
inference(demodulation,[status(thm)],[c_1338]) ).
tcf(c_3524,plain,
! [X0: $i] :
( ( X0 = sK10(X0) )
| ~ member(sK3,X0,sK8) ),
inference(demodulation,[status(thm)],[c_1102]) ).
tcf(c_3526,negated_conjecture,
two(sK3,sK8),
inference(demodulation,[status(thm)],[c_126]) ).
tcf(c_3945,plain,
( ( sK10(sK2(sK3,sK8)) = sK2(sK3,sK8) )
| ~ two(sK3,sK8) ),
inference(superposition,[status(thm)],[c_110,c_3524]) ).
tcf(c_3946,plain,
sK10(sK2(sK3,sK8)) = sK2(sK3,sK8),
inference(forward_subsumption_resolution,[status(thm)],[c_3945,c_3526]) ).
tcf(c_4100,plain,
~ member(sK3,sK2(sK3,sK8),sK8),
inference(superposition,[status(thm)],[c_3946,c_3518]) ).
tcf(c_4101,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_4100,c_2146]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP141+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.35 % Computer : n017.cluster.edu
% 0.09/0.35 % Model : x86_64 x86_64
% 0.09/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35 % Memory : 8046.5625MB
% 0.09/0.35 % OS : Linux 6.8.0-71-generic
% 0.09/0.35 % CPULimit : 300
% 0.09/0.35 % WCLimit : 300
% 0.09/0.35 % DateTime : Thu Sep 24 02:01:00 UTC 2026
% 0.09/0.35 % CPUTime :
% 0.09/0.35 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/0.39 Running first-order theorem proving
% 0.13/0.39 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.40
% 0.13/0.40 % ======== iProver multi-core TPTP/SMT =========
% 0.13/0.40
% 0.13/0.40 % Detected problem language: tptp
% 0.13/0.41 % Proving...
% 2.93/1.26 % SZS status Started for theBenchmark.p
% 2.93/1.26 % SZS status Theorem for theBenchmark.p
% 2.93/1.26
% 2.93/1.26 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.93/1.26
% 2.93/1.26 % ------ iProver source info
% 2.93/1.26
% 2.93/1.26 % git: date: 2026-07-19 20:42:38 +0200
% 2.93/1.26 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.93/1.26 % git: non_committed_changes: false
% 2.93/1.26
% 2.93/1.26 % ------ Parsing...
% 2.93/1.26 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.93/1.26
% 2.93/1.26 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s pe:4:0s pe:8:0s pe:16:0s pe:32:0s pe_e sup_sim: 0 sf_s rm: 14 0s sf_e pe_s pe_e %
% 2.93/1.26
% 2.93/1.26 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.93/1.26
% 2.93/1.26 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.93/1.26 % ------ Proving...
% 2.93/1.26 % ------ Problem Properties
% 2.93/1.26
% 2.93/1.26 %
% 2.93/1.26 % clauses 36
% 2.93/1.26 % conjectures 3
% 2.93/1.26 % EPR 21
% 2.93/1.26 % Horn 32
% 2.93/1.26 % unary 15
% 2.93/1.26 % binary 16
% 2.93/1.26 % lits 72
% 2.93/1.26 % lits eq 12
% 2.93/1.26 % fd_pure 0
% 2.93/1.26 % fd_pseudo 0
% 2.93/1.26 % fd_cond 0
% 2.93/1.26 % fd_pseudo_cond 5
% 2.93/1.26 % AC symbols 0
% 2.93/1.26
% 2.93/1.26 % ------ Schedule dynamic 5 is on
% 2.93/1.26
% 2.93/1.26 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.93/1.26
% 2.93/1.26
% 2.93/1.26 % ------
% 2.93/1.26 % Current options:
% 2.93/1.26 % ------
% 2.93/1.26
% 2.93/1.26
% 2.93/1.26 %
% 2.93/1.26
% 2.93/1.26 % ------ Proving...
% 2.93/1.26 %
% 2.93/1.26
% 2.93/1.26 % SZS status Theorem for theBenchmark.p
% 2.93/1.26
% 2.93/1.26 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.93/1.27
% 2.93/1.27
%------------------------------------------------------------------------------