%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : ITP225^1 : 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.efbj0kwNzT true
% Computer : n001.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 09:48:10 AM UTC 2026
% Result : Theorem 17.50s 2.84s
% Output : Refutation 17.50s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 4
% Syntax : Number of formulae : 13 ( 11 unt; 0 typ; 0 def)
% Number of atoms : 15 ( 9 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 23 ( 6 ~; 1 |; 0 &; 15 @)
% ( 1 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 4 ( 0 ^; 4 !; 0 ?; 4 :)
% Comments :
%------------------------------------------------------------------------------
thf(nat_type,type,
nat: $tType ).
thf(m_type,type,
m: nat ).
thf(na_type,type,
na: nat ).
thf(suc_type,type,
suc: nat > nat ).
thf(ord_less_nat_type,type,
ord_less_nat: nat > nat > $o ).
thf(zero_zero_nat_type,type,
zero_zero_nat: nat ).
thf(fact_4__C3_Ohyps_C_I3_J,axiom,
( m
= ( suc @ na ) ) ).
thf(zip_derived_cl7,plain,
( m
= ( suc @ na ) ),
inference(cnf,[status(esa)],[fact_4__C3_Ohyps_C_I3_J]) ).
thf(fact_0_bot__nat__0_Onot__eq__extremum,axiom,
! [A: nat] :
( ( A != zero_zero_nat )
<=> ( ord_less_nat @ zero_zero_nat @ A ) ) ).
thf(zip_derived_cl0,plain,
! [X0: nat] :
( ( ord_less_nat @ zero_zero_nat @ X0 )
| ( X0 = zero_zero_nat ) ),
inference(cnf,[status(esa)],[fact_0_bot__nat__0_Onot__eq__extremum]) ).
thf(conj_0,conjecture,
ord_less_nat @ zero_zero_nat @ m ).
thf(zf_stmt_0,negated_conjecture,
~ ( ord_less_nat @ zero_zero_nat @ m ),
inference('cnf.neg',[status(esa)],[conj_0]) ).
thf(zip_derived_cl6636,plain,
~ ( ord_less_nat @ zero_zero_nat @ m ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl6637,plain,
m = zero_zero_nat,
inference('sup-',[status(thm)],[zip_derived_cl0,zip_derived_cl6636]) ).
thf(zip_derived_cl6655,plain,
( zero_zero_nat
= ( suc @ na ) ),
inference(demod,[status(thm)],[zip_derived_cl7,zip_derived_cl6637]) ).
thf(fact_21_Zero__not__Suc,axiom,
! [M: nat] :
( zero_zero_nat
!= ( suc @ M ) ) ).
thf(zip_derived_cl29,plain,
! [X0: nat] :
( zero_zero_nat
!= ( suc @ X0 ) ),
inference(cnf,[status(esa)],[fact_21_Zero__not__Suc]) ).
thf(zip_derived_cl6659,plain,
zero_zero_nat != zero_zero_nat,
inference('sup-',[status(thm)],[zip_derived_cl6655,zip_derived_cl29]) ).
thf(zip_derived_cl6661,plain,
$false,
inference(simplify,[status(thm)],[zip_derived_cl6659]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : ITP225^1 : 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.efbj0kwNzT true
% 0.18/0.35 % Computer : n001.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 09:34:20 EST 2026
% 0.18/0.36 % CPUTime :
% 0.18/0.36 % Running portfolio for 300 s
% 0.18/0.36 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.36 % Number of cores: 8
% 0.18/0.36 % Python version: Python 3.6.8
% 0.18/0.36 % Running in HO mode
% 0.55/0.67 % Total configuration time : 828
% 0.55/0.67 % Estimated wc time : 1656
% 0.55/0.67 % Estimated cpu time (8 cpus) : 207.0
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/lams/40_c.s.sh running for 80s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/lams/40_c_ic.sh running for 80s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/lams/15_e_short1.sh running for 30s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/lams/40_noforms.sh running for 90s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/lams/40_b.comb.sh running for 70s
% 0.57/0.77 % /export/starexec/sandbox/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 0.57/0.77 % /export/starexec/sandbox/solver/bin/lams/30_sp5.sh running for 60s
% 6.42/1.43 % /export/starexec/sandbox/solver/bin/lams/30_b.l.sh running for 90s
% 17.50/2.84 % Solved by lams/40_c.s.sh.
% 17.50/2.84 % done 47 iterations in 2.055s
% 17.50/2.84 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 17.50/2.84 % SZS output start Refutation
% See solution above
% 17.50/2.84
% 17.50/2.84
% 17.50/2.84 % Terminating...
% 17.50/2.89 % Runner terminated.
% 0.22/2.90 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------