%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET581+3 : TPTP v9.2.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.9eqF1i5zPE true
% Computer : n021.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 04:52:17 PM UTC 2025
% Result : Theorem 0.61s 0.86s
% Output : Refutation 0.61s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 4
% Syntax : Number of formulae : 16 ( 8 unt; 0 typ; 0 def)
% Number of atoms : 29 ( 3 equ; 0 cnn)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 87 ( 12 ~; 6 |; 3 &; 62 @)
% ( 2 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 6 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 9 ( 7 usr; 5 con; 0-2 aty)
% Number of variables : 20 ( 0 ^; 20 !; 0 ?; 20 :)
% Comments :
%------------------------------------------------------------------------------
thf(intersection_type,type,
intersection: $i > $i > $i ).
thf(sk__3_type,type,
sk__3: $i ).
thf(member_type,type,
member: $i > $i > $o ).
thf(sk__2_type,type,
sk__2: $i ).
thf(sk__4_type,type,
sk__4: $i ).
thf(empty_set_type,type,
empty_set: $i ).
thf(not_equal_type,type,
not_equal: $i > $i > $o ).
thf(prove_th24,conjecture,
! [B: $i,C: $i,D: $i] :
( ( ( member @ B @ C )
& ( member @ B @ D ) )
=> ( not_equal @ ( intersection @ C @ D ) @ empty_set ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [B: $i,C: $i,D: $i] :
( ( ( member @ B @ C )
& ( member @ B @ D ) )
=> ( not_equal @ ( intersection @ C @ D ) @ empty_set ) ),
inference('cnf.neg',[status(esa)],[prove_th24]) ).
thf(zip_derived_cl14,plain,
member @ sk__2 @ sk__4,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(not_equal_defn,axiom,
! [B: $i,C: $i] :
( ( not_equal @ B @ C )
<=> ( B != C ) ) ).
thf(zip_derived_cl9,plain,
! [X0: $i,X1: $i] :
( ( not_equal @ X0 @ X1 )
| ( X0 = X1 ) ),
inference(cnf,[status(esa)],[not_equal_defn]) ).
thf(zip_derived_cl13,plain,
~ ( not_equal @ ( intersection @ sk__3 @ sk__4 ) @ empty_set ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl66,plain,
( ( intersection @ sk__3 @ sk__4 )
= empty_set ),
inference('dp-resolution',[status(thm)],[zip_derived_cl9,zip_derived_cl13]) ).
thf(intersection_defn,axiom,
! [B: $i,C: $i,D: $i] :
( ( member @ D @ ( intersection @ B @ C ) )
<=> ( ( member @ D @ B )
& ( member @ D @ C ) ) ) ).
thf(zip_derived_cl2,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( member @ X0 @ ( intersection @ X1 @ X2 ) )
| ~ ( member @ X0 @ X2 )
| ~ ( member @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[intersection_defn]) ).
thf(zip_derived_cl86,plain,
! [X0: $i] :
( ( member @ X0 @ empty_set )
| ~ ( member @ X0 @ sk__4 )
| ~ ( member @ X0 @ sk__3 ) ),
inference('s_sup+',[status(thm)],[zip_derived_cl66,zip_derived_cl2]) ).
thf(empty_set_defn,axiom,
! [B: $i] :
~ ( member @ B @ empty_set ) ).
thf(zip_derived_cl3,plain,
! [X0: $i] :
~ ( member @ X0 @ empty_set ),
inference(cnf,[status(esa)],[empty_set_defn]) ).
thf(zip_derived_cl87,plain,
! [X0: $i] :
( ~ ( member @ X0 @ sk__4 )
| ~ ( member @ X0 @ sk__3 ) ),
inference(demod,[status(thm)],[zip_derived_cl86,zip_derived_cl3]) ).
thf(zip_derived_cl88,plain,
~ ( member @ sk__2 @ sk__3 ),
inference('s_sup-',[status(thm)],[zip_derived_cl14,zip_derived_cl87]) ).
thf(zip_derived_cl15,plain,
member @ sk__2 @ sk__3,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl89,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl88,zip_derived_cl15]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : SET581+3 : TPTP v9.2.0. Released v2.2.0.
% 0.07/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.9eqF1i5zPE true
% 0.15/0.36 % Computer : n021.cluster.edu
% 0.15/0.36 % Model : x86_64 x86_64
% 0.15/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36 % Memory : 8042.1875MB
% 0.15/0.36 % OS : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36 % CPULimit : 300
% 0.15/0.36 % WCLimit : 300
% 0.15/0.36 % DateTime : Wed Oct 1 13:03:08 EDT 2025
% 0.15/0.36 % CPUTime :
% 0.15/0.36 % Running portfolio for 300 s
% 0.15/0.36 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.36 % Number of cores: 8
% 0.15/0.36 % Python version: Python 3.6.8
% 0.15/0.36 % Running in FO mode
% 0.55/0.72 % Total configuration time : 435
% 0.55/0.72 % Estimated wc time : 1092
% 0.55/0.72 % Estimated cpu time (7 cpus) : 156.0
% 0.60/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.60/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.60/0.83 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.60/0.83 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.60/0.84 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.61/0.86 % Solved by fo/fo6_bce.sh.
% 0.61/0.86 % BCE start: 16
% 0.61/0.86 % BCE eliminated: 1
% 0.61/0.86 % PE start: 15
% 0.61/0.86 logic: eq
% 0.61/0.86 % PE eliminated: 2
% 0.61/0.86 % done 13 iterations in 0.019s
% 0.61/0.86 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.61/0.86 % SZS output start Refutation
% See solution above
% 0.61/0.86
% 0.61/0.86
% 0.61/0.86 % Terminating...
% 1.74/0.93 % Runner terminated.
% 1.74/0.93 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------