TSTP Solution File: SEU152+1 by Drodi---3.5.1
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%------------------------------------------------------------------------------
% File : Drodi---3.5.1
% Problem : SEU152+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% Computer : n027.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 : Wed May 31 12:36:00 EDT 2023
% Result : Theorem 0.13s 0.37s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 4
% Syntax : Number of formulae : 20 ( 8 unt; 0 def)
% Number of atoms : 36 ( 14 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 29 ( 13 ~; 8 |; 4 &)
% ( 1 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 28 (; 26 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [A,B] : set_union2(A,B) = set_union2(B,A),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,conjecture,
! [A,B] :
( in(A,B)
=> set_union2(singleton(A),B) = B ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7,negated_conjecture,
~ ! [A,B] :
( in(A,B)
=> set_union2(singleton(A),B) = B ),
inference(negated_conjecture,[status(cth)],[f6]) ).
fof(f8,axiom,
! [A,B] :
( subset(singleton(A),B)
<=> in(A,B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f10,axiom,
! [A,B] :
( subset(A,B)
=> set_union2(A,B) = B ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f13,plain,
! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
inference(cnf_transformation,[status(esa)],[f2]) ).
fof(f16,plain,
? [A,B] :
( in(A,B)
& set_union2(singleton(A),B) != B ),
inference(pre_NNF_transformation,[status(esa)],[f7]) ).
fof(f17,plain,
( in(sk0_0,sk0_1)
& set_union2(singleton(sk0_0),sk0_1) != sk0_1 ),
inference(skolemization,[status(esa)],[f16]) ).
fof(f18,plain,
in(sk0_0,sk0_1),
inference(cnf_transformation,[status(esa)],[f17]) ).
fof(f19,plain,
set_union2(singleton(sk0_0),sk0_1) != sk0_1,
inference(cnf_transformation,[status(esa)],[f17]) ).
fof(f20,plain,
! [A,B] :
( ( ~ subset(singleton(A),B)
| in(A,B) )
& ( subset(singleton(A),B)
| ~ in(A,B) ) ),
inference(NNF_transformation,[status(esa)],[f8]) ).
fof(f21,plain,
( ! [A,B] :
( ~ subset(singleton(A),B)
| in(A,B) )
& ! [A,B] :
( subset(singleton(A),B)
| ~ in(A,B) ) ),
inference(miniscoping,[status(esa)],[f20]) ).
fof(f23,plain,
! [X0,X1] :
( subset(singleton(X0),X1)
| ~ in(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f21]) ).
fof(f26,plain,
! [A,B] :
( ~ subset(A,B)
| set_union2(A,B) = B ),
inference(pre_NNF_transformation,[status(esa)],[f10]) ).
fof(f27,plain,
! [X0,X1] :
( ~ subset(X0,X1)
| set_union2(X0,X1) = X1 ),
inference(cnf_transformation,[status(esa)],[f26]) ).
fof(f29,plain,
set_union2(sk0_1,singleton(sk0_0)) != sk0_1,
inference(paramodulation,[status(thm)],[f13,f19]) ).
fof(f33,plain,
! [X0,X1] :
( set_union2(singleton(X0),X1) = X1
| ~ in(X0,X1) ),
inference(resolution,[status(thm)],[f27,f23]) ).
fof(f35,plain,
set_union2(singleton(sk0_0),sk0_1) = sk0_1,
inference(resolution,[status(thm)],[f33,f18]) ).
fof(f36,plain,
set_union2(sk0_1,singleton(sk0_0)) = sk0_1,
inference(forward_demodulation,[status(thm)],[f13,f35]) ).
fof(f37,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f36,f29]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SEU152+1 : TPTP v8.1.2. Released v3.3.0.
% 0.12/0.13 % Command : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34 % Computer : n027.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 : 300
% 0.13/0.34 % DateTime : Tue May 30 09:35:02 EDT 2023
% 0.13/0.34 % CPUTime :
% 0.13/0.35 % Drodi V3.5.1
% 0.13/0.37 % Refutation found
% 0.13/0.37 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/0.37 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.37 % Elapsed time: 0.020383 seconds
% 0.13/0.37 % CPU time: 0.028724 seconds
% 0.13/0.37 % Memory used: 8.994 MB
%------------------------------------------------------------------------------