%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SYN960+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.3zTcof4mEC true
% Computer : n031.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 0.54s 0.72s
% Output : Refutation 0.54s
% 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 : 31 ( 5 ~; 2 |; 0 &; 22 @)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 6 ( 5 usr; 5 con; 0-2 aty)
% Number of variables : 16 ( 0 ^; 8 !; 8 ?; 16 :)
% Comments :
%------------------------------------------------------------------------------
thf(sk__type,type,
sk_: $i ).
thf(sk__2_type,type,
sk__2: $i ).
thf(sk__3_type,type,
sk__3: $i ).
thf(a_type,type,
a: $i > $i > $o ).
thf(sk__1_type,type,
sk__1: $i ).
thf(prove_this,conjecture,
( ? [X: $i,Y: $i] : ( a @ X @ Y )
<=> ? [Y: $i,X: $i] : ( a @ X @ Y ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ( ? [X: $i,Y: $i] : ( a @ X @ Y )
<=> ? [Y: $i,X: $i] : ( a @ X @ Y ) ),
inference('cnf.neg',[status(esa)],[prove_this]) ).
thf(zip_derived_cl0,plain,
( ( a @ sk__1 @ sk_ )
| ( a @ sk__2 @ sk__3 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl1,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ~ ( a @ X0 @ X1 )
| ~ ( a @ X2 @ X3 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl2,plain,
! [X0: $i,X1: $i] :
~ ( a @ X1 @ X0 ),
inference(condensation,[status(thm)],[zip_derived_cl1]) ).
thf(zip_derived_cl3,plain,
a @ sk__2 @ sk__3,
inference(demod,[status(thm)],[zip_derived_cl0,zip_derived_cl2]) ).
thf(zip_derived_cl2_001,plain,
! [X0: $i,X1: $i] :
~ ( a @ X1 @ X0 ),
inference(condensation,[status(thm)],[zip_derived_cl1]) ).
thf(zip_derived_cl4,plain,
$false,
inference('s_sup-',[status(thm)],[zip_derived_cl3,zip_derived_cl2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : SYN960+1 : TPTP v9.2.0. Released v3.1.0.
% 0.07/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.3zTcof4mEC true
% 0.13/0.34 % Computer : n031.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 : 300
% 0.13/0.34 % DateTime : Wed Oct 1 13:29:53 EDT 2025
% 0.13/0.34 % CPUTime :
% 0.13/0.34 % Running portfolio for 300 s
% 0.13/0.34 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.34 % Number of cores: 8
% 0.13/0.35 % Python version: Python 3.6.8
% 0.13/0.35 % Running in FO mode
% 0.54/0.64 % Total configuration time : 435
% 0.54/0.64 % Estimated wc time : 1092
% 0.54/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.54/0.69 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.54/0.72 % Solved by fo/fo6_bce.sh.
% 0.54/0.72 % BCE start: 2
% 0.54/0.72 % BCE eliminated: 0
% 0.54/0.72 % PE start: 2
% 0.54/0.72 logic: neq
% 0.54/0.72 % PE eliminated: 0
% 0.54/0.72 % done 1 iterations in 0.008s
% 0.54/0.72 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.54/0.72 % SZS output start Refutation
% See solution above
% 0.54/0.72
% 0.54/0.72
% 0.54/0.72 % Terminating...
% 1.32/0.75 % Runner terminated.
% 1.32/0.76 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------