TSTP Solution File: SYN071+1 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : SYN071+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n022.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 : Thu Jul 21 08:59:17 EDT 2022
% Result : Theorem 0.12s 0.34s
% Output : CNFRefutation 0.12s
% Verified :
% SZS Type : Refutation
% Derivation depth : 16
% Number of leaves : 11
% Syntax : Number of formulae : 47 ( 12 unt; 0 def)
% Number of atoms : 92 ( 91 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 81 ( 36 ~; 42 |; 1 &)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 5 ( 0 sgn 0 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(pel48_1,axiom,
( a = b
| c = d ) ).
fof(pel48_2,axiom,
( a = c
| b = d ) ).
fof(pel48,conjecture,
( a = d
| b = c ) ).
fof(subgoal_0,plain,
( a != d
=> b = c ),
inference(strip,[],[pel48]) ).
fof(negate_0_0,plain,
~ ( a != d
=> b = c ),
inference(negate,[],[subgoal_0]) ).
fof(normalize_0_0,plain,
( a = c
| b = d ),
inference(canonicalize,[],[pel48_2]) ).
fof(normalize_0_1,plain,
( a != d
& b != c ),
inference(canonicalize,[],[negate_0_0]) ).
fof(normalize_0_2,plain,
a != d,
inference(conjunct,[],[normalize_0_1]) ).
fof(normalize_0_3,plain,
( a = b
| c = d ),
inference(canonicalize,[],[pel48_1]) ).
fof(normalize_0_4,plain,
b != c,
inference(conjunct,[],[normalize_0_1]) ).
cnf(refute_0_0,plain,
( a = c
| b = d ),
inference(canonicalize,[],[normalize_0_0]) ).
cnf(refute_0_1,plain,
a != d,
inference(canonicalize,[],[normalize_0_2]) ).
cnf(refute_0_2,plain,
( a = b
| c = d ),
inference(canonicalize,[],[normalize_0_3]) ).
cnf(refute_0_3,plain,
X = X,
introduced(tautology,[refl,[$fot(X)]]) ).
cnf(refute_0_4,plain,
( X != X
| X != Y
| Y = X ),
introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).
cnf(refute_0_5,plain,
( X != Y
| Y = X ),
inference(resolve,[$cnf( $equal(X,X) )],[refute_0_3,refute_0_4]) ).
cnf(refute_0_6,plain,
( c != d
| d = c ),
inference(subst,[],[refute_0_5:[bind(X,$fot(c)),bind(Y,$fot(d))]]) ).
cnf(refute_0_7,plain,
( a = b
| d = c ),
inference(resolve,[$cnf( $equal(c,d) )],[refute_0_2,refute_0_6]) ).
cnf(refute_0_8,plain,
( a != c
| d != c
| a = d ),
introduced(tautology,[equality,[$cnf( ~ $equal(a,d) ),[1],$fot(c)]]) ).
cnf(refute_0_9,plain,
( a != c
| a = b
| a = d ),
inference(resolve,[$cnf( $equal(d,c) )],[refute_0_7,refute_0_8]) ).
cnf(refute_0_10,plain,
( a != c
| a = b ),
inference(resolve,[$cnf( $equal(a,d) )],[refute_0_9,refute_0_1]) ).
cnf(refute_0_11,plain,
( b != d
| d = b ),
inference(subst,[],[refute_0_5:[bind(X,$fot(b)),bind(Y,$fot(d))]]) ).
cnf(refute_0_12,plain,
( a = c
| d = b ),
inference(resolve,[$cnf( $equal(b,d) )],[refute_0_0,refute_0_11]) ).
cnf(refute_0_13,plain,
( c != d
| d != b
| c = b ),
introduced(tautology,[equality,[$cnf( ~ $equal(c,b) ),[0],$fot(d)]]) ).
cnf(refute_0_14,plain,
( c != d
| a = c
| c = b ),
inference(resolve,[$cnf( $equal(d,b) )],[refute_0_12,refute_0_13]) ).
cnf(refute_0_15,plain,
( a = b
| a = c
| c = b ),
inference(resolve,[$cnf( $equal(c,d) )],[refute_0_2,refute_0_14]) ).
cnf(refute_0_16,plain,
b != c,
inference(canonicalize,[],[normalize_0_4]) ).
cnf(refute_0_17,plain,
( c != b
| b = c ),
inference(subst,[],[refute_0_5:[bind(X,$fot(c)),bind(Y,$fot(b))]]) ).
cnf(refute_0_18,plain,
c != b,
inference(resolve,[$cnf( $equal(b,c) )],[refute_0_17,refute_0_16]) ).
cnf(refute_0_19,plain,
( a = b
| a = c ),
inference(resolve,[$cnf( $equal(c,b) )],[refute_0_15,refute_0_18]) ).
cnf(refute_0_20,plain,
( a != c
| c = a ),
inference(subst,[],[refute_0_5:[bind(X,$fot(a)),bind(Y,$fot(c))]]) ).
cnf(refute_0_21,plain,
( a = b
| c = a ),
inference(resolve,[$cnf( $equal(a,c) )],[refute_0_19,refute_0_20]) ).
cnf(refute_0_22,plain,
( a != a
| c != a
| a = c ),
introduced(tautology,[equality,[$cnf( ~ $equal(a,c) ),[1],$fot(a)]]) ).
cnf(refute_0_23,plain,
( a != a
| a = b
| a = c ),
inference(resolve,[$cnf( $equal(c,a) )],[refute_0_21,refute_0_22]) ).
cnf(refute_0_24,plain,
( a != a
| a = b ),
inference(resolve,[$cnf( $equal(a,c) )],[refute_0_23,refute_0_10]) ).
cnf(refute_0_25,plain,
a = a,
introduced(tautology,[refl,[$fot(a)]]) ).
cnf(refute_0_26,plain,
a = b,
inference(resolve,[$cnf( $equal(a,a) )],[refute_0_25,refute_0_24]) ).
cnf(refute_0_27,plain,
( a != b
| b = a ),
inference(subst,[],[refute_0_5:[bind(X,$fot(a)),bind(Y,$fot(b))]]) ).
cnf(refute_0_28,plain,
b = a,
inference(resolve,[$cnf( $equal(a,b) )],[refute_0_26,refute_0_27]) ).
cnf(refute_0_29,plain,
( b != a
| b != d
| a = d ),
introduced(tautology,[equality,[$cnf( $equal(b,d) ),[0],$fot(a)]]) ).
cnf(refute_0_30,plain,
( b != d
| a = d ),
inference(resolve,[$cnf( $equal(b,a) )],[refute_0_28,refute_0_29]) ).
cnf(refute_0_31,plain,
( a = c
| a = d ),
inference(resolve,[$cnf( $equal(b,d) )],[refute_0_0,refute_0_30]) ).
cnf(refute_0_32,plain,
( a != c
| b != a
| b = c ),
introduced(tautology,[equality,[$cnf( $equal(b,a) ),[1],$fot(c)]]) ).
cnf(refute_0_33,plain,
( a != c
| b = c ),
inference(resolve,[$cnf( $equal(b,a) )],[refute_0_28,refute_0_32]) ).
cnf(refute_0_34,plain,
a != c,
inference(resolve,[$cnf( $equal(b,c) )],[refute_0_33,refute_0_16]) ).
cnf(refute_0_35,plain,
a = d,
inference(resolve,[$cnf( $equal(a,c) )],[refute_0_31,refute_0_34]) ).
cnf(refute_0_36,plain,
$false,
inference(resolve,[$cnf( $equal(a,d) )],[refute_0_35,refute_0_1]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SYN071+1 : TPTP v8.1.0. Released v2.0.0.
% 0.03/0.12 % Command : metis --show proof --show saturation %s
% 0.12/0.33 % Computer : n022.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 600
% 0.12/0.33 % DateTime : Mon Jul 11 16:01:25 EDT 2022
% 0.12/0.33 % CPUTime :
% 0.12/0.34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.34 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.34
% 0.12/0.34 % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.12/0.34
%------------------------------------------------------------------------------