TSTP Solution File: GRP136-1 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : GRP136-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n003.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 10:36:59 EDT 2022
% Result : Unsatisfiable 0.13s 0.36s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 6
% Syntax : Number of clauses : 11 ( 7 unt; 0 nHn; 11 RR)
% Number of literals : 17 ( 16 equ; 8 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(ax_antisyma_1,hypothesis,
least_upper_bound(a,b) = b ).
cnf(ax_antisyma_2,hypothesis,
least_upper_bound(a,b) = a ).
cnf(prove_ax_antisyma,negated_conjecture,
a != b ).
cnf(refute_0_0,plain,
( least_upper_bound(a,b) != a
| least_upper_bound(a,b) != b
| b = a ),
introduced(tautology,[equality,[$cnf( $equal(least_upper_bound(a,b),a) ),[0],$fot(b)]]) ).
cnf(refute_0_1,plain,
( least_upper_bound(a,b) != a
| b = a ),
inference(resolve,[$cnf( $equal(least_upper_bound(a,b),b) )],[ax_antisyma_1,refute_0_0]) ).
cnf(refute_0_2,plain,
b = a,
inference(resolve,[$cnf( $equal(least_upper_bound(a,b),a) )],[ax_antisyma_2,refute_0_1]) ).
cnf(refute_0_3,plain,
( a != a
| b != a
| a = b ),
introduced(tautology,[equality,[$cnf( ~ $equal(a,b) ),[1],$fot(a)]]) ).
cnf(refute_0_4,plain,
( a != a
| a = b ),
inference(resolve,[$cnf( $equal(b,a) )],[refute_0_2,refute_0_3]) ).
cnf(refute_0_5,plain,
a != a,
inference(resolve,[$cnf( $equal(a,b) )],[refute_0_4,prove_ax_antisyma]) ).
cnf(refute_0_6,plain,
a = a,
introduced(tautology,[refl,[$fot(a)]]) ).
cnf(refute_0_7,plain,
$false,
inference(resolve,[$cnf( $equal(a,a) )],[refute_0_6,refute_0_5]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : GRP136-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.07/0.13 % Command : metis --show proof --show saturation %s
% 0.13/0.34 % Computer : n003.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 : 600
% 0.13/0.34 % DateTime : Tue Jun 14 13:39:55 EDT 2022
% 0.13/0.35 % CPUTime :
% 0.13/0.35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.13/0.36 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.36
% 0.13/0.36 % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.13/0.36
%------------------------------------------------------------------------------