TSTP Solution File: SWC381-1 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : SWC381-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n010.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 21:28:03 EDT 2022
% Result : Unsatisfiable 0.36s 0.53s
% Output : CNFRefutation 0.37s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 14
% Syntax : Number of clauses : 38 ( 11 unt; 1 nHn; 37 RR)
% Number of literals : 76 ( 37 equ; 44 neg)
% Maximal clause size : 4 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 6 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 6 con; 0-2 aty)
% Number of variables : 8 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(co1_5,negated_conjecture,
sk2 = sk4 ).
cnf(co1_6,negated_conjecture,
sk1 = sk3 ).
cnf(co1_7,negated_conjecture,
( neq(sk2,nil)
| neq(sk2,nil) ) ).
cnf(co1_13,negated_conjecture,
( ~ ssItem(A)
| cons(A,nil) != sk1
| ~ memberP(sk2,A)
| ~ neq(sk4,nil) ) ).
cnf(co1_14,negated_conjecture,
( ssItem(sk5)
| ~ neq(sk4,nil) ) ).
cnf(co1_15,negated_conjecture,
( cons(sk5,nil) = sk3
| ~ neq(sk4,nil) ) ).
cnf(co1_16,negated_conjecture,
( memberP(sk4,sk5)
| ~ neq(sk4,nil) ) ).
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( $equal(X,X) )],[refute_0_0,refute_0_1]) ).
cnf(refute_0_3,plain,
( sk2 != sk4
| sk4 = sk2 ),
inference(subst,[],[refute_0_2:[bind(X,$fot(sk2)),bind(Y,$fot(sk4))]]) ).
cnf(refute_0_4,plain,
sk4 = sk2,
inference(resolve,[$cnf( $equal(sk2,sk4) )],[co1_5,refute_0_3]) ).
cnf(refute_0_5,plain,
( sk4 != sk2
| ~ neq(sk2,nil)
| neq(sk4,nil) ),
introduced(tautology,[equality,[$cnf( ~ neq(sk4,nil) ),[0],$fot(sk2)]]) ).
cnf(refute_0_6,plain,
( ~ neq(sk2,nil)
| neq(sk4,nil) ),
inference(resolve,[$cnf( $equal(sk4,sk2) )],[refute_0_4,refute_0_5]) ).
cnf(refute_0_7,plain,
( ~ neq(sk2,nil)
| memberP(sk4,sk5) ),
inference(resolve,[$cnf( neq(sk4,nil) )],[refute_0_6,co1_16]) ).
cnf(refute_0_8,plain,
( sk4 != sk2
| ~ memberP(sk4,sk5)
| memberP(sk2,sk5) ),
introduced(tautology,[equality,[$cnf( memberP(sk4,sk5) ),[0],$fot(sk2)]]) ).
cnf(refute_0_9,plain,
( ~ memberP(sk4,sk5)
| memberP(sk2,sk5) ),
inference(resolve,[$cnf( $equal(sk4,sk2) )],[refute_0_4,refute_0_8]) ).
cnf(refute_0_10,plain,
( ~ neq(sk2,nil)
| memberP(sk2,sk5) ),
inference(resolve,[$cnf( memberP(sk4,sk5) )],[refute_0_7,refute_0_9]) ).
cnf(refute_0_11,plain,
memberP(sk2,sk5),
inference(resolve,[$cnf( neq(sk2,nil) )],[co1_7,refute_0_10]) ).
cnf(refute_0_12,plain,
( cons(A,nil) != sk1
| ~ memberP(sk2,A)
| ~ neq(sk2,nil)
| ~ ssItem(A) ),
inference(resolve,[$cnf( neq(sk4,nil) )],[refute_0_6,co1_13]) ).
cnf(refute_0_13,plain,
( cons(A,nil) != sk1
| ~ memberP(sk2,A)
| ~ ssItem(A) ),
inference(resolve,[$cnf( neq(sk2,nil) )],[co1_7,refute_0_12]) ).
cnf(refute_0_14,plain,
( cons(sk5,nil) != sk1
| ~ memberP(sk2,sk5)
| ~ ssItem(sk5) ),
inference(subst,[],[refute_0_13:[bind(A,$fot(sk5))]]) ).
cnf(refute_0_15,plain,
( cons(sk5,nil) != sk1
| ~ ssItem(sk5) ),
inference(resolve,[$cnf( memberP(sk2,sk5) )],[refute_0_11,refute_0_14]) ).
cnf(refute_0_16,plain,
( ~ neq(sk2,nil)
| cons(sk5,nil) = sk3 ),
inference(resolve,[$cnf( neq(sk4,nil) )],[refute_0_6,co1_15]) ).
cnf(refute_0_17,plain,
( sk1 != sk3
| sk3 = sk1 ),
inference(subst,[],[refute_0_2:[bind(X,$fot(sk1)),bind(Y,$fot(sk3))]]) ).
cnf(refute_0_18,plain,
sk3 = sk1,
inference(resolve,[$cnf( $equal(sk1,sk3) )],[co1_6,refute_0_17]) ).
cnf(refute_0_19,plain,
( cons(sk5,nil) != sk3
| sk3 != sk1
| cons(sk5,nil) = sk1 ),
introduced(tautology,[equality,[$cnf( ~ $equal(cons(sk5,nil),sk1) ),[0],$fot(sk3)]]) ).
cnf(refute_0_20,plain,
( cons(sk5,nil) != sk3
| cons(sk5,nil) = sk1 ),
inference(resolve,[$cnf( $equal(sk3,sk1) )],[refute_0_18,refute_0_19]) ).
cnf(refute_0_21,plain,
( ~ neq(sk2,nil)
| cons(sk5,nil) = sk1 ),
inference(resolve,[$cnf( $equal(cons(sk5,nil),sk3) )],[refute_0_16,refute_0_20]) ).
cnf(refute_0_22,plain,
cons(sk5,nil) = sk1,
inference(resolve,[$cnf( neq(sk2,nil) )],[co1_7,refute_0_21]) ).
cnf(refute_0_23,plain,
( cons(sk5,nil) != sk1
| sk1 != sk1
| cons(sk5,nil) = sk1 ),
introduced(tautology,[equality,[$cnf( ~ $equal(cons(sk5,nil),sk1) ),[0],$fot(sk1)]]) ).
cnf(refute_0_24,plain,
( sk1 != sk1
| cons(sk5,nil) = sk1 ),
inference(resolve,[$cnf( $equal(cons(sk5,nil),sk1) )],[refute_0_22,refute_0_23]) ).
cnf(refute_0_25,plain,
( sk1 != sk1
| ~ ssItem(sk5) ),
inference(resolve,[$cnf( $equal(cons(sk5,nil),sk1) )],[refute_0_24,refute_0_15]) ).
cnf(refute_0_26,plain,
sk1 = sk1,
introduced(tautology,[refl,[$fot(sk1)]]) ).
cnf(refute_0_27,plain,
~ ssItem(sk5),
inference(resolve,[$cnf( $equal(sk1,sk1) )],[refute_0_26,refute_0_25]) ).
cnf(refute_0_28,plain,
( ~ neq(sk2,nil)
| ssItem(sk5) ),
inference(resolve,[$cnf( neq(sk4,nil) )],[refute_0_6,co1_14]) ).
cnf(refute_0_29,plain,
ssItem(sk5),
inference(resolve,[$cnf( neq(sk2,nil) )],[co1_7,refute_0_28]) ).
cnf(refute_0_30,plain,
$false,
inference(resolve,[$cnf( ssItem(sk5) )],[refute_0_29,refute_0_27]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12 % Problem : SWC381-1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.12 % Command : metis --show proof --show saturation %s
% 0.13/0.33 % Computer : n010.cluster.edu
% 0.13/0.33 % Model : x86_64 x86_64
% 0.13/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33 % Memory : 8042.1875MB
% 0.13/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33 % CPULimit : 300
% 0.13/0.33 % WCLimit : 600
% 0.13/0.33 % DateTime : Sun Jun 12 05:55:40 EDT 2022
% 0.13/0.33 % CPUTime :
% 0.13/0.34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.36/0.53 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.36/0.53
% 0.36/0.53 % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.37/0.53
%------------------------------------------------------------------------------