%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : ITP220^3 : TPTP v9.2.1. Bugfixed v9.2.1.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.qUpL5GU8yG true
% Computer : n020.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 : Sat Feb 28 09:48:08 AM UTC 2026
% Result : Theorem 6.94s 1.56s
% Output : Refutation 6.94s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 5
% Syntax : Number of formulae : 21 ( 18 unt; 0 typ; 0 def)
% Number of atoms : 26 ( 11 equ; 0 cnn)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 189 ( 10 ~; 3 |; 0 &; 174 @)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 5 avg)
% Number of types : 4 ( 3 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 13 ( 11 usr; 5 con; 0-2 aty)
% Number of variables : 12 ( 0 ^; 12 !; 0 ?; 12 :)
% Comments :
%------------------------------------------------------------------------------
thf(vEBT_VEBT_type,type,
vEBT_VEBT: $tType ).
thf(nat_type,type,
nat: $tType ).
thf(num_type,type,
num: $tType ).
thf(zero_zero_nat_type,type,
zero_zero_nat: nat ).
thf(vEBT_VEBT_membermima_type,type,
vEBT_VEBT_membermima: vEBT_VEBT > nat > $o ).
thf(one_type,type,
one: num ).
thf(numeral_numeral_nat_type,type,
numeral_numeral_nat: num > nat ).
thf(bit0_type,type,
bit0: num > num ).
thf(suc_type,type,
suc: nat > nat ).
thf(dvd_dvd_nat_type,type,
dvd_dvd_nat: nat > nat > $o ).
thf(va_type,type,
va: nat ).
thf(divide_divide_nat_type,type,
divide_divide_nat: nat > nat > nat ).
thf(vEBT_vebt_buildup_type,type,
vEBT_vebt_buildup: nat > vEBT_VEBT ).
thf(y_type,type,
y: nat ).
thf(conj_0,conjecture,
~ ( vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) ) @ y ) ).
thf(zf_stmt_0,negated_conjecture,
vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) ) @ y,
inference('cnf.neg',[status(esa)],[conj_0]) ).
thf(zip_derived_cl291,plain,
vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) ) @ y,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(fact_182_numeral__2__eq__2,axiom,
( ( numeral_numeral_nat @ ( bit0 @ one ) )
= ( suc @ ( suc @ zero_zero_nat ) ) ) ).
thf(zip_derived_cl63,plain,
( ( numeral_numeral_nat @ ( bit0 @ one ) )
= ( suc @ ( suc @ zero_zero_nat ) ) ),
inference(cnf,[status(esa)],[fact_182_numeral__2__eq__2]) ).
thf(fact_4_div2__Suc__Suc,axiom,
! [M: nat] :
( ( divide_divide_nat @ ( suc @ ( suc @ M ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) )
= ( suc @ ( divide_divide_nat @ M @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) ) ) ).
thf(zip_derived_cl4,plain,
! [X0: nat] :
( ( divide_divide_nat @ ( suc @ ( suc @ X0 ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) )
= ( suc @ ( divide_divide_nat @ X0 @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) ) ),
inference(cnf,[status(esa)],[fact_4_div2__Suc__Suc]) ).
thf(zip_derived_cl63_001,plain,
( ( numeral_numeral_nat @ ( bit0 @ one ) )
= ( suc @ ( suc @ zero_zero_nat ) ) ),
inference(cnf,[status(esa)],[fact_182_numeral__2__eq__2]) ).
thf(zip_derived_cl63_002,plain,
( ( numeral_numeral_nat @ ( bit0 @ one ) )
= ( suc @ ( suc @ zero_zero_nat ) ) ),
inference(cnf,[status(esa)],[fact_182_numeral__2__eq__2]) ).
thf(zip_derived_cl480,plain,
! [X0: nat] :
( ( divide_divide_nat @ ( suc @ ( suc @ X0 ) ) @ ( suc @ ( suc @ zero_zero_nat ) ) )
= ( suc @ ( divide_divide_nat @ X0 @ ( suc @ ( suc @ zero_zero_nat ) ) ) ) ),
inference(demod,[status(thm)],[zip_derived_cl4,zip_derived_cl63,zip_derived_cl63]) ).
thf(fact_1__C3_OIH_C_I1_J,axiom,
! [X: nat,Xa: nat] :
( ( dvd_dvd_nat @ ( numeral_numeral_nat @ ( bit0 @ one ) ) @ ( suc @ ( suc @ va ) ) )
=> ( ( X
= ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) )
=> ~ ( vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ X ) @ Xa ) ) ) ).
thf(zip_derived_cl1,plain,
! [X0: nat,X1: nat] :
( ( X0
!= ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) )
| ~ ( dvd_dvd_nat @ ( numeral_numeral_nat @ ( bit0 @ one ) ) @ ( suc @ ( suc @ va ) ) )
| ~ ( vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ X0 ) @ X1 ) ),
inference(cnf,[status(esa)],[fact_1__C3_OIH_C_I1_J]) ).
thf(zip_derived_cl296,plain,
! [X1: nat] :
( ~ ( vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) ) @ X1 )
| ~ ( dvd_dvd_nat @ ( numeral_numeral_nat @ ( bit0 @ one ) ) @ ( suc @ ( suc @ va ) ) ) ),
inference(simplify,[status(thm)],[zip_derived_cl1]) ).
thf(fact_0_True,axiom,
dvd_dvd_nat @ ( numeral_numeral_nat @ ( bit0 @ one ) ) @ ( suc @ ( suc @ va ) ) ).
thf(zip_derived_cl0,plain,
dvd_dvd_nat @ ( numeral_numeral_nat @ ( bit0 @ one ) ) @ ( suc @ ( suc @ va ) ),
inference(cnf,[status(esa)],[fact_0_True]) ).
thf(zip_derived_cl297,plain,
! [X1: nat] :
~ ( vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( numeral_numeral_nat @ ( bit0 @ one ) ) ) ) @ X1 ),
inference(demod,[status(thm)],[zip_derived_cl296,zip_derived_cl0]) ).
thf(zip_derived_cl63_003,plain,
( ( numeral_numeral_nat @ ( bit0 @ one ) )
= ( suc @ ( suc @ zero_zero_nat ) ) ),
inference(cnf,[status(esa)],[fact_182_numeral__2__eq__2]) ).
thf(zip_derived_cl299,plain,
! [X1: nat] :
~ ( vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ ( divide_divide_nat @ ( suc @ ( suc @ va ) ) @ ( suc @ ( suc @ zero_zero_nat ) ) ) ) @ X1 ),
inference(demod,[status(thm)],[zip_derived_cl297,zip_derived_cl63]) ).
thf(zip_derived_cl480_004,plain,
! [X0: nat] :
( ( divide_divide_nat @ ( suc @ ( suc @ X0 ) ) @ ( suc @ ( suc @ zero_zero_nat ) ) )
= ( suc @ ( divide_divide_nat @ X0 @ ( suc @ ( suc @ zero_zero_nat ) ) ) ) ),
inference(demod,[status(thm)],[zip_derived_cl4,zip_derived_cl63,zip_derived_cl63]) ).
thf(zip_derived_cl481,plain,
! [X1: nat] :
~ ( vEBT_VEBT_membermima @ ( vEBT_vebt_buildup @ ( suc @ ( divide_divide_nat @ va @ ( suc @ ( suc @ zero_zero_nat ) ) ) ) ) @ X1 ),
inference(demod,[status(thm)],[zip_derived_cl299,zip_derived_cl480]) ).
thf(zip_derived_cl1704,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl291,zip_derived_cl63,zip_derived_cl480,zip_derived_cl481]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : ITP220^3 : TPTP v9.2.1. Bugfixed v9.2.1.
% 0.12/0.14 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.qUpL5GU8yG true
% 0.18/0.35 % Computer : n020.cluster.edu
% 0.18/0.35 % Model : x86_64 x86_64
% 0.18/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.35 % Memory : 8042.1875MB
% 0.18/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.18/0.35 % CPULimit : 300
% 0.18/0.35 % WCLimit : 300
% 0.18/0.35 % DateTime : Thu Feb 26 07:00:12 EST 2026
% 0.18/0.35 % CPUTime :
% 0.18/0.35 % Running portfolio for 300 s
% 0.18/0.35 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.35 % Number of cores: 8
% 0.18/0.36 % Python version: Python 3.6.8
% 0.18/0.36 % Running in HO mode
% 0.56/0.67 % Total configuration time : 828
% 0.56/0.67 % Estimated wc time : 1656
% 0.56/0.67 % Estimated cpu time (8 cpus) : 207.0
% 0.58/0.72 % /export/starexec/sandbox/solver/bin/lams/40_c.s.sh running for 80s
% 0.58/0.73 % /export/starexec/sandbox/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.58/0.74 % /export/starexec/sandbox/solver/bin/lams/15_e_short1.sh running for 30s
% 0.58/0.74 % /export/starexec/sandbox/solver/bin/lams/40_c_ic.sh running for 80s
% 0.58/0.76 % /export/starexec/sandbox/solver/bin/lams/40_noforms.sh running for 90s
% 0.58/0.77 % /export/starexec/sandbox/solver/bin/lams/40_b.comb.sh running for 70s
% 0.58/0.77 % /export/starexec/sandbox/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 0.58/0.77 % /export/starexec/sandbox/solver/bin/lams/30_sp5.sh running for 60s
% 4.27/1.19 % /export/starexec/sandbox/solver/bin/lams/30_b.l.sh running for 90s
% 6.94/1.56 % Solved by lams/40_c_ic.sh.
% 6.94/1.56 % done 182 iterations in 0.799s
% 6.94/1.56 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 6.94/1.56 % SZS output start Refutation
% See solution above
% 6.94/1.56
% 6.94/1.56
% 6.94/1.56 % Terminating...
% 7.64/1.68 % Runner terminated.
% 7.64/1.69 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------