%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET605+3 : TPTP v9.2.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.crF1GFJMIk true
% Computer : n003.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 04:52:23 PM UTC 2025
% Result : Theorem 0.58s 0.76s
% Output : Refutation 0.58s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 3
% Syntax : Number of formulae : 10 ( 7 unt; 0 typ; 0 def)
% Number of atoms : 13 ( 7 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 41 ( 6 ~; 2 |; 0 &; 32 @)
% ( 1 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 6 usr; 4 con; 0-2 aty)
% Number of variables : 12 ( 0 ^; 12 !; 0 ?; 12 :)
% Comments :
%------------------------------------------------------------------------------
thf(sk__4_type,type,
sk__4: $i ).
thf(union_type,type,
union: $i > $i > $i ).
thf(sk__3_type,type,
sk__3: $i ).
thf(empty_set_type,type,
empty_set: $i ).
thf(difference_type,type,
difference: $i > $i > $i ).
thf(subset_type,type,
subset: $i > $i > $o ).
thf(difference_empty_set,axiom,
! [B: $i,C: $i] :
( ( ( difference @ B @ C )
= empty_set )
<=> ( subset @ B @ C ) ) ).
thf(zip_derived_cl2,plain,
! [X0: $i,X1: $i] :
( ( ( difference @ X0 @ X1 )
= empty_set )
| ~ ( subset @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[difference_empty_set]) ).
thf(prove_th76,conjecture,
! [B: $i,C: $i] :
( ( difference @ B @ ( union @ B @ C ) )
= empty_set ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [B: $i,C: $i] :
( ( difference @ B @ ( union @ B @ C ) )
= empty_set ),
inference('cnf.neg',[status(esa)],[prove_th76]) ).
thf(zip_derived_cl24,plain,
( ( difference @ sk__3 @ ( union @ sk__3 @ sk__4 ) )
!= empty_set ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl120,plain,
( ~ ( subset @ sk__3 @ ( union @ sk__3 @ sk__4 ) )
| ( empty_set != empty_set ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl2,zip_derived_cl24]) ).
thf(subset_of_union,axiom,
! [B: $i,C: $i] : ( subset @ B @ ( union @ B @ C ) ) ).
thf(zip_derived_cl0,plain,
! [X0: $i,X1: $i] : ( subset @ X0 @ ( union @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[subset_of_union]) ).
thf(zip_derived_cl122,plain,
empty_set != empty_set,
inference(demod,[status(thm)],[zip_derived_cl120,zip_derived_cl0]) ).
thf(zip_derived_cl123,plain,
$false,
inference(simplify,[status(thm)],[zip_derived_cl122]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET605+3 : TPTP v9.2.0. Released v2.2.0.
% 0.03/0.14 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.crF1GFJMIk true
% 0.14/0.35 % Computer : n003.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 12:59:38 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
% 0.14/0.35 % Python version: Python 3.6.8
% 0.14/0.35 % Running in FO mode
% 0.57/0.67 % Total configuration time : 435
% 0.57/0.67 % Estimated wc time : 1092
% 0.57/0.67 % Estimated cpu time (7 cpus) : 156.0
% 0.58/0.73 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.58/0.76 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.58/0.76 % Solved by fo/fo6_bce.sh.
% 0.58/0.76 % BCE start: 25
% 0.58/0.76 % BCE eliminated: 0
% 0.58/0.76 % PE start: 25
% 0.58/0.76 logic: eq
% 0.58/0.76 % PE eliminated: 1
% 0.58/0.76 % done 11 iterations in 0.010s
% 0.58/0.76 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.58/0.76 % SZS output start Refutation
% See solution above
% 0.58/0.76
% 0.58/0.76
% 0.58/0.76 % Terminating...
% 0.58/0.79 % Runner terminated.
% 0.58/0.80 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------