%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : LAT275-2 : TPTP v9.3.1. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n026.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 01:02:30 PM UTC 2026
% Result : Unsatisfiable 0.18s 0.66s
% Output : CNFRefutation 0.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of formulae : 11 ( 9 unt; 0 def)
% Number of atoms : 13 ( 2 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 8 ( 6 ~; 2 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 8 ( 8 usr; 5 con; 0-3 aty)
% Number of variables : 2 ( 2 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
c_lessequals(v_S,v_A,tc_set(t_a)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f2,negated_conjecture,
~ c_in(c_Tarski_Olub(v_S,v_cl,t_a),c_Tarski_Opotype_Opset(v_cl,t_a,tc_Product__Type_Ounit),t_a),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f3,axiom,
v_A = c_Tarski_Opotype_Opset(v_cl,t_a,tc_Product__Type_Ounit),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f4,axiom,
! [V_S] :
( c_in(c_Tarski_Olub(V_S,v_cl,t_a),v_A,t_a)
| ~ c_lessequals(V_S,v_A,tc_set(t_a)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f5,plain,
c_lessequals(v_S,v_A,tc_set(t_a)),
inference(cnf_transformation,[status(thm)],[f1]) ).
fof(f6,plain,
~ c_in(c_Tarski_Olub(v_S,v_cl,t_a),c_Tarski_Opotype_Opset(v_cl,t_a,tc_Product__Type_Ounit),t_a),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f7,plain,
v_A = c_Tarski_Opotype_Opset(v_cl,t_a,tc_Product__Type_Ounit),
inference(cnf_transformation,[status(thm)],[f3]) ).
fof(f8,plain,
! [X0] :
( c_in(c_Tarski_Olub(X0,v_cl,t_a),v_A,t_a)
| ~ c_lessequals(X0,v_A,tc_set(t_a)) ),
inference(cnf_transformation,[status(thm)],[f4]) ).
fof(f9,plain,
~ c_in(c_Tarski_Olub(v_S,v_cl,t_a),v_A,t_a),
inference(backward_demodulation,[status(thm)],[f7,f6]) ).
fof(f10,plain,
~ c_lessequals(v_S,v_A,tc_set(t_a)),
inference(resolution,[status(thm)],[f8,f9]) ).
fof(f11,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f10,f5]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : LAT275-2 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.06 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.62 % Computer : n026.cluster.edu
% 0.14/0.62 % Model : x86_64 x86_64
% 0.14/0.62 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.62 % Memory : 8046.5625MB
% 0.14/0.62 % OS : Linux 6.8.0-71-generic
% 0.14/0.62 % CPULimit : 300
% 0.14/0.62 % WCLimit : 300
% 0.14/0.62 % DateTime : Sun Sep 20 23:27:22 UTC 2026
% 0.14/0.62 % CPUTime :
% 0.14/0.63 % Drodi V4.1.1
% 0.18/0.66 % Refutation found
% 0.18/0.66 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.18/0.66 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.18/0.69 % Elapsed time: 0.063705 seconds
% 0.18/0.69 % CPU time: 0.168644 seconds
% 0.18/0.69 % Total memory used: 57.994 MB
% 0.18/0.69 % Net memory used: 57.365 MB
%------------------------------------------------------------------------------