%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : NLP147-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n014.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 02:14:49 PM UTC 2026
% Result : Unsatisfiable 4.33s 1.08s
% Output : Proof 4.33s
% Verified :
% SZS Type : Refutation
% Derivation depth : 13
% Number of leaves : 17
% Syntax : Number of formulae : 85 ( 21 unt; 0 def)
% Number of atoms : 149 ( 5 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 133 ( 69 ~; 64 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 17 ( 15 usr; 1 prp; 0-4 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 135 ( 15 sgn 64 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
cnf(f59,axiom,
( member(U,skf10(V,U),V)
| ~ two(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause60) ).
fof(f59_nnf,plain,
! [U,V] :
( member(U,skf10(V,U),V)
| ~ two(U,V) ),
inference(nnf_transformation,[status(thm)],[f59]) ).
fof(f59_sk,plain,
! [U,V] :
( member(U,skf10(V,U),V)
| ~ two(U,V) ),
inference(skolemisation,[status(esa)],[f59_nnf]) ).
cnf(c59,plain,
( member(X0,skf10(X1,X0),X1)
| ~ two(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f59_sk]) ).
cnf(f76,negated_conjecture,
two(skc6,skc7),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause77) ).
fof(f76_nnf,plain,
two(skc6,skc7),
inference(nnf_transformation,[status(thm)],[f76]) ).
cnf(c76,plain,
two(skc6,skc7),
inference(cnf_transformation,[status(esa)],[f76_nnf]) ).
cnf(p140,plain,
member(skc6,skf10(skc7,skc6),skc7),
inference(resolution,[status(thm)],[c59,c76]) ).
cnf(f91,negated_conjecture,
( be(skc6,skf6(U),U,skf5(U))
| ~ member(skc6,U,skc7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause92) ).
fof(f91_nnf,plain,
! [U] :
( be(skc6,skf6(U),U,skf5(U))
| ~ member(skc6,U,skc7) ),
inference(nnf_transformation,[status(thm)],[f91]) ).
fof(f91_sk,plain,
! [U] :
( be(skc6,skf6(U),U,skf5(U))
| ~ member(skc6,U,skc7) ),
inference(skolemisation,[status(esa)],[f91_nnf]) ).
cnf(c91,plain,
( be(skc6,skf6(X0),X0,skf5(X0))
| ~ member(skc6,X0,skc7) ),
inference(cnf_transformation,[status(esa)],[f91_sk]) ).
cnf(p146,plain,
be(skc6,skf6(skf10(skc7,skc6)),skf10(skc7,skc6),skf5(skf10(skc7,skc6))),
inference(resolution,[status(thm)],[p140,c91]) ).
cnf(f58,axiom,
( W = X
| ~ be(U,V,W,X) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause59) ).
fof(f58_nnf,plain,
! [U,V,W,X] :
( W = X
| ~ be(U,V,W,X) ),
inference(nnf_transformation,[status(thm)],[f58]) ).
fof(f58_sk,plain,
! [U,V,W,X] :
( W = X
| ~ be(U,V,W,X) ),
inference(skolemisation,[status(esa)],[f58_nnf]) ).
cnf(c58,plain,
( X2 = X3
| ~ be(X0,X1,X2,X3) ),
inference(cnf_transformation,[status(esa)],[f58_sk]) ).
cnf(p183,plain,
skf10(skc7,skc6) = skf5(skf10(skc7,skc6)),
inference(resolution,[status(thm)],[p146,c58]) ).
cnf(f88,negated_conjecture,
( frontseat(skc6,skf5(V))
| ~ member(skc6,U,skc7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause89) ).
fof(f88_nnf,plain,
! [U,V] :
( frontseat(skc6,skf5(V))
| ~ member(skc6,U,skc7) ),
inference(nnf_transformation,[status(thm)],[f88]) ).
fof(f88_sk,plain,
! [U,V] :
( frontseat(skc6,skf5(V))
| ~ member(skc6,U,skc7) ),
inference(skolemisation,[status(esa)],[f88_nnf]) ).
cnf(c88,plain,
( frontseat(skc6,skf5(X1))
| ~ member(skc6,X0,skc7) ),
inference(cnf_transformation,[status(esa)],[f88_sk]) ).
cnf(p143,plain,
frontseat(skc6,skf5(X0)),
inference(resolution,[status(thm)],[p140,c88]) ).
cnf(f47,axiom,
( seat(U,V)
| ~ frontseat(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause48) ).
fof(f47_nnf,plain,
! [U,V] :
( seat(U,V)
| ~ frontseat(U,V) ),
inference(nnf_transformation,[status(thm)],[f47]) ).
fof(f47_sk,plain,
! [U,V] :
( seat(U,V)
| ~ frontseat(U,V) ),
inference(skolemisation,[status(esa)],[f47_nnf]) ).
cnf(c47,plain,
( seat(X0,X1)
| ~ frontseat(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f47_sk]) ).
cnf(p148,plain,
seat(skc6,skf5(X0)),
inference(resolution,[status(thm)],[p143,c47]) ).
cnf(f48,axiom,
( furniture(U,V)
| ~ seat(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause49) ).
fof(f48_nnf,plain,
! [U,V] :
( furniture(U,V)
| ~ seat(U,V) ),
inference(nnf_transformation,[status(thm)],[f48]) ).
fof(f48_sk,plain,
! [U,V] :
( furniture(U,V)
| ~ seat(U,V) ),
inference(skolemisation,[status(esa)],[f48_nnf]) ).
cnf(c48,plain,
( furniture(X0,X1)
| ~ seat(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f48_sk]) ).
cnf(p151,plain,
furniture(skc6,skf5(X0)),
inference(resolution,[status(thm)],[p148,c48]) ).
cnf(f49,axiom,
( instrumentality(U,V)
| ~ furniture(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause50) ).
fof(f49_nnf,plain,
! [U,V] :
( instrumentality(U,V)
| ~ furniture(U,V) ),
inference(nnf_transformation,[status(thm)],[f49]) ).
fof(f49_sk,plain,
! [U,V] :
( instrumentality(U,V)
| ~ furniture(U,V) ),
inference(skolemisation,[status(esa)],[f49_nnf]) ).
cnf(c49,plain,
( instrumentality(X0,X1)
| ~ furniture(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f49_sk]) ).
cnf(p156,plain,
instrumentality(skc6,skf5(X0)),
inference(resolution,[status(thm)],[p151,c49]) ).
cnf(f29,axiom,
( artifact(U,V)
| ~ instrumentality(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause30) ).
fof(f29_nnf,plain,
! [U,V] :
( artifact(U,V)
| ~ instrumentality(U,V) ),
inference(nnf_transformation,[status(thm)],[f29]) ).
fof(f29_sk,plain,
! [U,V] :
( artifact(U,V)
| ~ instrumentality(U,V) ),
inference(skolemisation,[status(esa)],[f29_nnf]) ).
cnf(c29,plain,
( artifact(X0,X1)
| ~ instrumentality(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f29_sk]) ).
cnf(p160,plain,
artifact(skc6,skf5(X0)),
inference(resolution,[status(thm)],[p156,c29]) ).
cnf(f30,axiom,
( object(U,V)
| ~ artifact(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause31) ).
fof(f30_nnf,plain,
! [U,V] :
( object(U,V)
| ~ artifact(U,V) ),
inference(nnf_transformation,[status(thm)],[f30]) ).
fof(f30_sk,plain,
! [U,V] :
( object(U,V)
| ~ artifact(U,V) ),
inference(skolemisation,[status(esa)],[f30_nnf]) ).
cnf(c30,plain,
( object(X0,X1)
| ~ artifact(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f30_sk]) ).
cnf(p161,plain,
object(skc6,skf5(X0)),
inference(resolution,[status(thm)],[p160,c30]) ).
cnf(f32,axiom,
( nonliving(U,V)
| ~ object(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause33) ).
fof(f32_nnf,plain,
! [U,V] :
( nonliving(U,V)
| ~ object(U,V) ),
inference(nnf_transformation,[status(thm)],[f32]) ).
fof(f32_sk,plain,
! [U,V] :
( nonliving(U,V)
| ~ object(U,V) ),
inference(skolemisation,[status(esa)],[f32_nnf]) ).
cnf(c32,plain,
( nonliving(X0,X1)
| ~ object(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f32_sk]) ).
cnf(p163,plain,
nonliving(skc6,skf5(X0)),
inference(resolution,[status(thm)],[p161,c32]) ).
cnf(p209,plain,
nonliving(skc6,skf10(skc7,skc6)),
inference(superposition,[status(thm)],[p183,p163]) ).
cnf(f87,negated_conjecture,
( fellow(skc6,U)
| ~ member(skc6,U,skc7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause88) ).
fof(f87_nnf,plain,
! [U] :
( fellow(skc6,U)
| ~ member(skc6,U,skc7) ),
inference(nnf_transformation,[status(thm)],[f87]) ).
fof(f87_sk,plain,
! [U] :
( fellow(skc6,U)
| ~ member(skc6,U,skc7) ),
inference(skolemisation,[status(esa)],[f87_nnf]) ).
cnf(c87,plain,
( fellow(skc6,X0)
| ~ member(skc6,X0,skc7) ),
inference(cnf_transformation,[status(esa)],[f87_sk]) ).
cnf(p142,plain,
fellow(skc6,skf10(skc7,skc6)),
inference(resolution,[status(thm)],[p140,c87]) ).
cnf(f1,axiom,
( man(U,V)
| ~ fellow(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause2) ).
fof(f1_nnf,plain,
! [U,V] :
( man(U,V)
| ~ fellow(U,V) ),
inference(nnf_transformation,[status(thm)],[f1]) ).
fof(f1_sk,plain,
! [U,V] :
( man(U,V)
| ~ fellow(U,V) ),
inference(skolemisation,[status(esa)],[f1_nnf]) ).
cnf(c1,plain,
( man(X0,X1)
| ~ fellow(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f1_sk]) ).
cnf(p172,plain,
man(skc6,skf10(skc7,skc6)),
inference(resolution,[status(thm)],[p142,c1]) ).
cnf(f2,axiom,
( human_person(U,V)
| ~ man(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause3) ).
fof(f2_nnf,plain,
! [U,V] :
( human_person(U,V)
| ~ man(U,V) ),
inference(nnf_transformation,[status(thm)],[f2]) ).
fof(f2_sk,plain,
! [U,V] :
( human_person(U,V)
| ~ man(U,V) ),
inference(skolemisation,[status(esa)],[f2_nnf]) ).
cnf(c2,plain,
( human_person(X0,X1)
| ~ man(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f2_sk]) ).
cnf(p173,plain,
human_person(skc6,skf10(skc7,skc6)),
inference(resolution,[status(thm)],[p172,c2]) ).
cnf(f3,axiom,
( organism(U,V)
| ~ human_person(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause4) ).
fof(f3_nnf,plain,
! [U,V] :
( organism(U,V)
| ~ human_person(U,V) ),
inference(nnf_transformation,[status(thm)],[f3]) ).
fof(f3_sk,plain,
! [U,V] :
( organism(U,V)
| ~ human_person(U,V) ),
inference(skolemisation,[status(esa)],[f3_nnf]) ).
cnf(c3,plain,
( organism(X0,X1)
| ~ human_person(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f3_sk]) ).
cnf(p175,plain,
organism(skc6,skf10(skc7,skc6)),
inference(resolution,[status(thm)],[p173,c3]) ).
cnf(f10,axiom,
( living(U,V)
| ~ organism(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause11) ).
fof(f10_nnf,plain,
! [U,V] :
( living(U,V)
| ~ organism(U,V) ),
inference(nnf_transformation,[status(thm)],[f10]) ).
fof(f10_sk,plain,
! [U,V] :
( living(U,V)
| ~ organism(U,V) ),
inference(skolemisation,[status(esa)],[f10_nnf]) ).
cnf(c10,plain,
( living(X0,X1)
| ~ organism(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f10_sk]) ).
cnf(p181,plain,
living(skc6,skf10(skc7,skc6)),
inference(resolution,[status(thm)],[p175,c10]) ).
cnf(f54,axiom,
( ~ nonliving(U,V)
| ~ living(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause55) ).
fof(f54_nnf,plain,
! [U,V] :
( ~ nonliving(U,V)
| ~ living(U,V) ),
inference(nnf_transformation,[status(thm)],[f54]) ).
fof(f54_sk,plain,
! [U,V] :
( ~ nonliving(U,V)
| ~ living(U,V) ),
inference(skolemisation,[status(esa)],[f54_nnf]) ).
cnf(c54,plain,
( ~ nonliving(X0,X1)
| ~ living(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f54_sk]) ).
cnf(p187,plain,
~ nonliving(skc6,skf10(skc7,skc6)),
inference(resolution,[status(thm)],[p181,c54]) ).
cnf(p222,plain,
$false,
inference(resolution,[status(thm)],[p209,p187]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP147-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.10/0.36 % Computer : n014.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Thu Sep 24 02:07:04 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.10/0.36 Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 4.33/1.08 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 4.33/1.08 % SZS output start Proof for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------