%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : LCL808-1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n009.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 01:08:52 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.41s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 8
% Syntax : Number of formulae : 27 ( 15 unt; 2 def)
% Number of atoms : 48 ( 2 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 47 ( 26 ~; 19 |; 0 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 6 ( 4 usr; 3 prp; 0-3 aty)
% Number of functors : 10 ( 10 usr; 8 con; 0-4 aty)
% Number of variables : 19 ( 19 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f58,axiom,
v_n____ = v_i____,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f63,axiom,
c_InductTermi_OIT(v_u____),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f65,axiom,
c_Type_Otyping(c_Type_Oshift(v_e____,v_i____,v_T____,tc_Type_Otype),v_b____,v_Ua____),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f66,axiom,
! [V_ua,V_ia,V_ea,V_T_H] :
( ~ c_Type_Otyping(c_Type_Oshift(V_ea,V_ia,v_T____,tc_Type_Otype),v_b____,V_T_H)
| ~ c_InductTermi_OIT(V_ua)
| ~ c_Type_Otyping(V_ea,V_ua,v_T____)
| c_InductTermi_OIT(c_Lambda_Osubst(v_b____,V_ua,V_ia)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f68,axiom,
c_Type_Otyping(v_e____,v_u____,v_T____),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f69,negated_conjecture,
~ c_InductTermi_OIT(c_Lambda_Osubst(v_b____,v_u____,v_i____)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f155,plain,
v_n____ = v_i____,
inference(cnf_transformation,[status(thm)],[f58]) ).
fof(f161,plain,
c_InductTermi_OIT(v_u____),
inference(cnf_transformation,[status(thm)],[f63]) ).
fof(f163,plain,
c_Type_Otyping(c_Type_Oshift(v_e____,v_i____,v_T____,tc_Type_Otype),v_b____,v_Ua____),
inference(cnf_transformation,[status(thm)],[f65]) ).
fof(f164,plain,
! [V_ia,V_ea] :
( ! [V_T_H] : ~ c_Type_Otyping(c_Type_Oshift(V_ea,V_ia,v_T____,tc_Type_Otype),v_b____,V_T_H)
| ! [V_ua] :
( ~ c_InductTermi_OIT(V_ua)
| ~ c_Type_Otyping(V_ea,V_ua,v_T____)
| c_InductTermi_OIT(c_Lambda_Osubst(v_b____,V_ua,V_ia)) ) ),
inference(miniscoping,[status(thm)],[f66]) ).
fof(f165,plain,
! [X0,X1,X2,X3] :
( ~ c_Type_Otyping(c_Type_Oshift(X2,X1,v_T____,tc_Type_Otype),v_b____,X3)
| ~ c_InductTermi_OIT(X0)
| ~ c_Type_Otyping(X2,X0,v_T____)
| c_InductTermi_OIT(c_Lambda_Osubst(v_b____,X0,X1)) ),
inference(cnf_transformation,[status(thm)],[f164]) ).
fof(f167,plain,
c_Type_Otyping(v_e____,v_u____,v_T____),
inference(cnf_transformation,[status(thm)],[f68]) ).
fof(f168,plain,
~ c_InductTermi_OIT(c_Lambda_Osubst(v_b____,v_u____,v_i____)),
inference(cnf_transformation,[status(thm)],[f69]) ).
fof(f183,plain,
~ c_InductTermi_OIT(c_Lambda_Osubst(v_b____,v_u____,v_n____)),
inference(backward_demodulation,[status(thm)],[f155,f168]) ).
fof(f1237,plain,
c_Type_Otyping(c_Type_Oshift(v_e____,v_n____,v_T____,tc_Type_Otype),v_b____,v_Ua____),
inference(forward_demodulation,[status(thm)],[f155,f163]) ).
fof(f1238,plain,
! [X0,X1] :
( ~ c_Type_Otyping(c_Type_Oshift(X0,v_n____,v_T____,tc_Type_Otype),v_b____,X1)
| ~ c_InductTermi_OIT(v_u____)
| ~ c_Type_Otyping(X0,v_u____,v_T____) ),
inference(resolution,[status(thm)],[f165,f183]) ).
fof(f1239,definition,
! [X0,X1] :
( sQ17_spl
<=> ( ~ c_Type_Otyping(c_Type_Oshift(X0,v_n____,v_T____,tc_Type_Otype),v_b____,X1)
| ~ c_Type_Otyping(X0,v_u____,v_T____) ) ),
introduced(definition,[new_symbols(definition,[sQ17_spl])],[split_symbol_definition]) ).
fof(f1240,plain,
! [X0,X1] :
( ~ sQ17_spl
| ~ c_Type_Otyping(c_Type_Oshift(X0,v_n____,v_T____,tc_Type_Otype),v_b____,X1)
| ~ c_Type_Otyping(X0,v_u____,v_T____) ),
inference(component_clause,[status(thm)],[f1239]) ).
fof(f1242,definition,
( sQ18_spl
<=> c_InductTermi_OIT(v_u____) ),
introduced(definition,[new_symbols(definition,[sQ18_spl])],[split_symbol_definition]) ).
fof(f1244,plain,
( sQ18_spl
| ~ c_InductTermi_OIT(v_u____) ),
inference(component_clause,[status(thm)],[f1242]) ).
fof(f1245,plain,
( ~ sQ18_spl
| sQ17_spl ),
inference(split_clause,[status(thm)],[f1238,f1239,f1242]) ).
fof(f1252,plain,
! [X0] :
( ~ sQ17_spl
| ~ c_Type_Otyping(c_Type_Oshift(v_e____,v_n____,v_T____,tc_Type_Otype),v_b____,X0) ),
inference(resolution,[status(thm)],[f1240,f167]) ).
fof(f1253,plain,
( ~ sQ17_spl
| $false ),
inference(backward_subsumption_resolution,[status(thm)],[f1237,f1252]) ).
fof(f1254,plain,
~ sQ17_spl,
inference(contradiction_clause,[status(thm)],[f1253]) ).
fof(f1255,plain,
( sQ18_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f1244,f161]) ).
fof(f1256,plain,
sQ18_spl,
inference(contradiction_clause,[status(thm)],[f1255]) ).
fof(f1257,plain,
$false,
inference(sat_refutation,[status(thm)],[f1245,f1254,f1256]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL808-1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.35 % Computer : n009.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Mon Sep 21 01:05:27 UTC 2026
% 0.10/0.35 % CPUTime :
% 0.10/0.36 % Drodi V4.1.1
% 0.13/0.41 % Refutation found
% 0.13/0.41 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.41 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.44 % Elapsed time: 0.076440 seconds
% 0.13/0.44 % CPU time: 0.342269 seconds
% 0.13/0.44 % Total memory used: 110.128 MB
% 0.13/0.44 % Net memory used: 109.802 MB
%------------------------------------------------------------------------------