%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SYN957+1 : TPTP v9.2.0. Released v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Hri5tgM0Z3 true
% Computer : n017.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 : 300s
% DateTime : Thu Oct 2 05:06:04 PM UTC 2025
% Result : Theorem 0.59s 0.74s
% Output : Refutation 0.59s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 1
% Syntax : Number of formulae : 8 ( 4 unt; 0 typ; 0 def)
% Number of atoms : 12 ( 0 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 33 ( 7 ~; 2 |; 0 &; 22 @)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 3 ( 2 usr; 2 con; 0-2 aty)
% Number of variables : 6 ( 0 ^; 4 !; 2 ?; 6 :)
% Comments :
%------------------------------------------------------------------------------
thf(sk__type,type,
sk_: $i ).
thf(a_type,type,
a: $i > $i > $o ).
thf(prove_this,conjecture,
~ ? [Y: $i] :
! [X: $i] :
( ( a @ X @ Y )
<=> ~ ( a @ X @ X ) ) ).
thf(zf_stmt_0,negated_conjecture,
? [Y: $i] :
! [X: $i] :
( ( a @ X @ Y )
<=> ~ ( a @ X @ X ) ),
inference('cnf.neg',[status(esa)],[prove_this]) ).
thf(zip_derived_cl0,plain,
! [X0: $i] :
( ~ ( a @ X0 @ X0 )
| ~ ( a @ X0 @ sk_ ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl2,plain,
~ ( a @ sk_ @ sk_ ),
inference(eq_fact,[status(thm)],[zip_derived_cl0]) ).
thf(zip_derived_cl1,plain,
! [X1: $i] :
( ( a @ X1 @ sk_ )
| ( a @ X1 @ X1 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl2_001,plain,
~ ( a @ sk_ @ sk_ ),
inference(eq_fact,[status(thm)],[zip_derived_cl0]) ).
thf(zip_derived_cl4,plain,
a @ sk_ @ sk_,
inference('s_sup-',[status(thm)],[zip_derived_cl1,zip_derived_cl2]) ).
thf(zip_derived_cl9,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl2,zip_derived_cl4]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13 % Problem : SYN957+1 : TPTP v9.2.0. Released v3.1.0.
% 0.03/0.14 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Hri5tgM0Z3 true
% 0.14/0.35 % Computer : n017.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 300
% 0.14/0.35 % DateTime : Wed Oct 1 13:37:23 EDT 2025
% 0.14/0.35 % CPUTime :
% 0.14/0.35 % Running portfolio for 300 s
% 0.14/0.35 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.35 % Number of cores: 8
% 0.14/0.36 % Python version: Python 3.6.8
% 0.14/0.36 % Running in FO mode
% 0.45/0.64 % Total configuration time : 435
% 0.45/0.64 % Estimated wc time : 1092
% 0.45/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.58/0.71 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.59/0.74 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.59/0.74 % Solved by fo/fo6_bce.sh.
% 0.59/0.74 % BCE start: 2
% 0.59/0.74 % BCE eliminated: 0
% 0.59/0.74 % PE start: 2
% 0.59/0.74 logic: neq
% 0.59/0.74 % PE eliminated: 0
% 0.59/0.74 % done 3 iterations in 0.008s
% 0.59/0.74 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.59/0.74 % SZS output start Refutation
% See solution above
% 0.59/0.74
% 0.59/0.74
% 0.59/0.74 % Terminating...
% 1.55/0.86 % Runner terminated.
% 1.55/0.88 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------