%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : NUN088+1 : TPTP v9.3.1. Released v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% Computer : n001.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 02:29:33 PM UTC 2026
% Result : Theorem 6.75s 6.35s
% Output : Proof 6.75s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 2
% Syntax : Number of formulae : 20 ( 12 unt; 0 def)
% Number of atoms : 40 ( 8 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 43 ( 23 ~; 14 |; 6 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 5 con; 0-4 aty)
% Number of variables : 24 ( 2 sgn 15 !; 3 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f17,axiom,
! [X7,Y10] :
( ~ r2(X7,Y10)
| ! [Y20] :
( ~ r1(Y20)
| ~ id(Y20,Y10) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_7a) ).
fof(f17_nnf,plain,
! [X7,Y10] :
( ~ r2(X7,Y10)
| ! [Y20] :
( ~ r1(Y20)
| ~ id(Y20,Y10) ) ),
inference(nnf_transformation,[status(thm)],[f17]) ).
fof(f17_sk,plain,
! [Y20,Y10,X7] :
( ~ r2(X7,Y10)
| ~ r1(Y20)
| ~ id(Y20,Y10) ),
inference(skolemisation,[status(esa)],[f17_nnf]) ).
cnf(c57,plain,
( ~ r2(X0,X1)
| ~ r1(X2)
| ~ id(X2,X1) ),
inference(cnf_transformation,[status(esa)],[f17_sk]) ).
cnf(hi45,axiom,
ifeq(id(X0,X1),true,ifeq(r1(X0),true,ifeq(r2(X2,X1),true,false,true),true),true) = true,
inference(equality_encoding,[status(esa)],[c57]) ).
fof(f18,conjecture,
! [Y1] :
( ! [Y3] :
( ~ r2(Y3,Y1)
| ~ r1(Y3) )
| ! [Y2] :
( ~ r1(Y2)
| ~ id(Y2,Y1) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',zerounidone) ).
fof(f18_neg,negated_conjecture,
~ ! [Y1] :
( ! [Y3] :
( ~ r2(Y3,Y1)
| ~ r1(Y3) )
| ! [Y2] :
( ~ r1(Y2)
| ~ id(Y2,Y1) ) ),
inference(negated_conjecture,[status(cth)],[f18]) ).
fof(f18_nnf,plain,
? [Y1] :
( ? [Y3] :
( r2(Y3,Y1)
& r1(Y3) )
& ? [Y2] :
( r1(Y2)
& id(Y2,Y1) ) ),
inference(nnf_transformation,[status(thm)],[f18_neg]) ).
fof(f18_sk,plain,
( r2(sk22,sk20)
& r1(sk22)
& r1(sk21)
& id(sk21,sk20) ),
inference(skolemisation,[status(esa),new_symbols(skolem,[sk20,sk21,sk22])],[f18_nnf]) ).
cnf(c58,plain,
id(sk21,sk20),
inference(cnf_transformation,[status(esa)],[f18_sk]) ).
cnf(hi41,negated_conjecture,
id(sk21,sk20) = true,
inference(equality_encoding,[status(esa)],[c58]) ).
cnf(c59,plain,
r1(sk21),
inference(cnf_transformation,[status(esa)],[f18_sk]) ).
cnf(hi42,negated_conjecture,
r1(sk21) = true,
inference(equality_encoding,[status(esa)],[c59]) ).
cnf(c61,plain,
r2(sk22,sk20),
inference(cnf_transformation,[status(esa)],[f18_sk]) ).
cnf(hi44,negated_conjecture,
r2(sk22,sk20) = true,
inference(equality_encoding,[status(esa)],[c61]) ).
cnf(t0,plain,
true = false,
inference(hyper_resolution,[status(thm)],[hi45,hi41,hi42,hi44]) ).
cnf(t644,plain,
false = true,
inference(orient,[status(thm)],[t0]) ).
cnf(goal_0,negated_conjecture,
true != false,
inference(equality_encoding,[status(esa)],[c57]) ).
cnf(g0_0,plain,
true != true,
inference(rw,[status(thm)],[goal_0,t644]) ).
cnf(contradiction_0,plain,
$false,
inference(trivial_inequality_removal,[status(thm)],[g0_0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : NUN088+1 : TPTP v9.3.1. Released v7.3.0.
% 0.00/0.04 % Command : run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.09/5.38 % Computer : n001.cluster.edu
% 0.09/5.38 % Model : x86_64 x86_64
% 0.09/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/5.38 % Memory : 8046.5625MB
% 0.09/5.38 % OS : Linux 6.8.0-71-generic
% 0.09/5.38 % CPULimit : 300
% 0.09/5.38 % WCLimit : 300
% 0.09/5.38 % DateTime : Thu Sep 24 06:06:28 UTC 2026
% 0.09/5.38 % CPUTime :
% 0.09/5.38 Running run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 6.75/6.35 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 6.75/6.35 % SZS output start Proof for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------