TSTP Solution File: GRP151-1 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : GRP151-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n008.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 : Sat Jul 16 10:37:04 EDT 2022
% Result : Unsatisfiable 0.14s 0.36s
% Output : CNFRefutation 0.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of clauses : 8 ( 6 unt; 0 nHn; 7 RR)
% Number of literals : 11 ( 10 equ; 5 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 2 ( 1 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(glb_absorbtion,axiom,
greatest_lower_bound(X,least_upper_bound(X,Y)) = X ).
cnf(prove_ax_lub2b,negated_conjecture,
greatest_lower_bound(a,least_upper_bound(a,b)) != a ).
cnf(refute_0_0,plain,
greatest_lower_bound(a,least_upper_bound(a,b)) = a,
inference(subst,[],[glb_absorbtion:[bind(X,$fot(a)),bind(Y,$fot(b))]]) ).
cnf(refute_0_1,plain,
( a != a
| greatest_lower_bound(a,least_upper_bound(a,b)) != a
| greatest_lower_bound(a,least_upper_bound(a,b)) = a ),
introduced(tautology,[equality,[$cnf( $equal(greatest_lower_bound(a,least_upper_bound(a,b)),a) ),[0,0],$fot(a)]]) ).
cnf(refute_0_2,plain,
( a != a
| greatest_lower_bound(a,least_upper_bound(a,b)) = a ),
inference(resolve,[$cnf( $equal(greatest_lower_bound(a,least_upper_bound(a,b)),a) )],[refute_0_0,refute_0_1]) ).
cnf(refute_0_3,plain,
a != a,
inference(resolve,[$cnf( $equal(greatest_lower_bound(a,least_upper_bound(a,b)),a) )],[refute_0_2,prove_ax_lub2b]) ).
cnf(refute_0_4,plain,
a = a,
introduced(tautology,[refl,[$fot(a)]]) ).
cnf(refute_0_5,plain,
$false,
inference(resolve,[$cnf( $equal(a,a) )],[refute_0_4,refute_0_3]) ).
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%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : GRP151-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.03/0.13 % Command : metis --show proof --show saturation %s
% 0.14/0.34 % Computer : n008.cluster.edu
% 0.14/0.34 % Model : x86_64 x86_64
% 0.14/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34 % Memory : 8042.1875MB
% 0.14/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34 % CPULimit : 300
% 0.14/0.34 % WCLimit : 600
% 0.14/0.34 % DateTime : Tue Jun 14 08:58:22 EDT 2022
% 0.14/0.34 % CPUTime :
% 0.14/0.35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.14/0.36 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.36
% 0.14/0.36 % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.14/0.36
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