TSTP Solution File: SWC293-1 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : SWC293-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n014.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 : Tue Jul 19 21:27:35 EDT 2022
% Result : Unsatisfiable 0.21s 0.45s
% Output : CNFRefutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 13
% Number of leaves : 12
% Syntax : Number of clauses : 30 ( 9 unt; 8 nHn; 29 RR)
% Number of literals : 57 ( 37 equ; 21 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 5 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 6 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(clause3,axiom,
strictorderedP(nil) ).
cnf(clause66,axiom,
( ~ ssItem(U)
| strictorderedP(cons(U,nil)) ) ).
cnf(co1_6,negated_conjecture,
sk1 = sk3 ).
cnf(co1_7,negated_conjecture,
~ strictorderedP(sk1) ).
cnf(co1_9,negated_conjecture,
( ssItem(sk5)
| nil = sk3 ) ).
cnf(co1_12,negated_conjecture,
( cons(sk5,nil) = sk3
| nil = sk3 ) ).
cnf(refute_0_0,plain,
X = X,
introduced(tautology,[refl,[$fot(X)]]) ).
cnf(refute_0_1,plain,
( X != X
| X != Y
| Y = X ),
introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).
cnf(refute_0_2,plain,
( X != Y
| Y = X ),
inference(resolve,[$cnf( $equal(X,X) )],[refute_0_0,refute_0_1]) ).
cnf(refute_0_3,plain,
( sk1 != sk3
| sk3 = sk1 ),
inference(subst,[],[refute_0_2:[bind(X,$fot(sk1)),bind(Y,$fot(sk3))]]) ).
cnf(refute_0_4,plain,
sk3 = sk1,
inference(resolve,[$cnf( $equal(sk1,sk3) )],[co1_6,refute_0_3]) ).
cnf(refute_0_5,plain,
( nil != sk3
| sk3 != sk1
| nil = sk1 ),
introduced(tautology,[equality,[$cnf( ~ $equal(nil,sk1) ),[0],$fot(sk3)]]) ).
cnf(refute_0_6,plain,
( nil != sk3
| nil = sk1 ),
inference(resolve,[$cnf( $equal(sk3,sk1) )],[refute_0_4,refute_0_5]) ).
cnf(refute_0_7,plain,
( nil = sk1
| ssItem(sk5) ),
inference(resolve,[$cnf( $equal(nil,sk3) )],[co1_9,refute_0_6]) ).
cnf(refute_0_8,plain,
( ~ ssItem(sk5)
| strictorderedP(cons(sk5,nil)) ),
inference(subst,[],[clause66:[bind(U,$fot(sk5))]]) ).
cnf(refute_0_9,plain,
( nil = sk1
| strictorderedP(cons(sk5,nil)) ),
inference(resolve,[$cnf( ssItem(sk5) )],[refute_0_7,refute_0_8]) ).
cnf(refute_0_10,plain,
( cons(sk5,nil) != sk3
| sk3 != sk1
| cons(sk5,nil) = sk1 ),
introduced(tautology,[equality,[$cnf( ~ $equal(cons(sk5,nil),sk1) ),[0],$fot(sk3)]]) ).
cnf(refute_0_11,plain,
( cons(sk5,nil) != sk3
| cons(sk5,nil) = sk1 ),
inference(resolve,[$cnf( $equal(sk3,sk1) )],[refute_0_4,refute_0_10]) ).
cnf(refute_0_12,plain,
( cons(sk5,nil) = sk1
| nil = sk3 ),
inference(resolve,[$cnf( $equal(cons(sk5,nil),sk3) )],[co1_12,refute_0_11]) ).
cnf(refute_0_13,plain,
( cons(sk5,nil) = sk1
| nil = sk1 ),
inference(resolve,[$cnf( $equal(nil,sk3) )],[refute_0_12,refute_0_6]) ).
cnf(refute_0_14,plain,
( cons(sk5,nil) != sk1
| ~ strictorderedP(cons(sk5,nil))
| strictorderedP(sk1) ),
introduced(tautology,[equality,[$cnf( strictorderedP(cons(sk5,nil)) ),[0],$fot(sk1)]]) ).
cnf(refute_0_15,plain,
( ~ strictorderedP(cons(sk5,nil))
| nil = sk1
| strictorderedP(sk1) ),
inference(resolve,[$cnf( $equal(cons(sk5,nil),sk1) )],[refute_0_13,refute_0_14]) ).
cnf(refute_0_16,plain,
( nil = sk1
| strictorderedP(sk1) ),
inference(resolve,[$cnf( strictorderedP(cons(sk5,nil)) )],[refute_0_9,refute_0_15]) ).
cnf(refute_0_17,plain,
nil = sk1,
inference(resolve,[$cnf( strictorderedP(sk1) )],[refute_0_16,co1_7]) ).
cnf(refute_0_18,plain,
( nil != sk1
| sk1 = nil ),
inference(subst,[],[refute_0_2:[bind(X,$fot(nil)),bind(Y,$fot(sk1))]]) ).
cnf(refute_0_19,plain,
sk1 = nil,
inference(resolve,[$cnf( $equal(nil,sk1) )],[refute_0_17,refute_0_18]) ).
cnf(refute_0_20,plain,
( sk1 != nil
| ~ strictorderedP(nil)
| strictorderedP(sk1) ),
introduced(tautology,[equality,[$cnf( ~ strictorderedP(sk1) ),[0],$fot(nil)]]) ).
cnf(refute_0_21,plain,
( ~ strictorderedP(nil)
| strictorderedP(sk1) ),
inference(resolve,[$cnf( $equal(sk1,nil) )],[refute_0_19,refute_0_20]) ).
cnf(refute_0_22,plain,
~ strictorderedP(nil),
inference(resolve,[$cnf( strictorderedP(sk1) )],[refute_0_21,co1_7]) ).
cnf(refute_0_23,plain,
$false,
inference(resolve,[$cnf( strictorderedP(nil) )],[clause3,refute_0_22]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12 % Problem : SWC293-1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.13 % Command : metis --show proof --show saturation %s
% 0.13/0.34 % Computer : n014.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 : Sun Jun 12 16:32:52 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.13/0.35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.21/0.45 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.21/0.45
% 0.21/0.45 % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.21/0.45
%------------------------------------------------------------------------------