%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SWV774-1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n014.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 02:49:31 PM UTC 2026
% Result : Unsatisfiable 0.15s 0.55s
% Output : CNFRefutation 0.15s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of formulae : 9 ( 9 unt; 0 def)
% Number of atoms : 9 ( 8 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 4 ( 4 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 4 con; 0-3 aty)
% Number of variables : 10 ( 10 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f465,axiom,
! [V_A,V_X,V_evs] : c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_OCons(c_Event_Oevent_OGets(V_A,V_X),V_evs,tc_Event_Oevent)) = c_Event_Oknows(c_Message_Oagent_OSpy,V_evs),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f466,axiom,
! [V_ys,T_a] : V_ys = c_List_Oappend(c_List_Olist_ONil(T_a),V_ys,T_a),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f483,negated_conjecture,
c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Oappend(c_List_Olist_ONil(tc_Event_Oevent),c_List_Olist_OCons(c_Event_Oevent_OGets(v_A,v_X),c_List_Olist_ONil(tc_Event_Oevent),tc_Event_Oevent),tc_Event_Oevent)) != c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_ONil(tc_Event_Oevent)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f1178,plain,
! [X0,X1,X2] : c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_OCons(c_Event_Oevent_OGets(X0,X1),X2,tc_Event_Oevent)) = c_Event_Oknows(c_Message_Oagent_OSpy,X2),
inference(cnf_transformation,[status(thm)],[f465]) ).
fof(f1179,plain,
! [X0,X1] : X0 = c_List_Oappend(c_List_Olist_ONil(X1),X0,X1),
inference(cnf_transformation,[status(thm)],[f466]) ).
fof(f1198,plain,
c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Oappend(c_List_Olist_ONil(tc_Event_Oevent),c_List_Olist_OCons(c_Event_Oevent_OGets(v_A,v_X),c_List_Olist_ONil(tc_Event_Oevent),tc_Event_Oevent),tc_Event_Oevent)) != c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_ONil(tc_Event_Oevent)),
inference(cnf_transformation,[status(thm)],[f483]) ).
fof(f1223,plain,
c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_OCons(c_Event_Oevent_OGets(v_A,v_X),c_List_Olist_ONil(tc_Event_Oevent),tc_Event_Oevent)) != c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_ONil(tc_Event_Oevent)),
inference(backward_demodulation,[status(thm)],[f1179,f1198]) ).
fof(f1311,plain,
c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_ONil(tc_Event_Oevent)) != c_Event_Oknows(c_Message_Oagent_OSpy,c_List_Olist_ONil(tc_Event_Oevent)),
inference(backward_demodulation,[status(thm)],[f1178,f1223]) ).
fof(f1317,plain,
$false,
inference(trivial_equality_resolution,[status(thm)],[f1311]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SWV774-1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.07 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/0.43 % Computer : n014.cluster.edu
% 0.15/0.43 % Model : x86_64 x86_64
% 0.15/0.43 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.43 % Memory : 8046.5625MB
% 0.15/0.43 % OS : Linux 6.8.0-71-generic
% 0.15/0.43 % CPULimit : 300
% 0.15/0.43 % WCLimit : 300
% 0.15/0.43 % DateTime : Mon Sep 21 09:24:19 UTC 2026
% 0.15/0.43 % CPUTime :
% 0.15/0.53 % Drodi V4.1.1
% 0.15/0.55 % Refutation found
% 0.15/0.55 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.15/0.55 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.28/0.63 % Elapsed time: 0.184975 seconds
% 0.28/0.63 % CPU time: 0.235898 seconds
% 0.28/0.63 % Total memory used: 35.601 MB
% 0.28/0.63 % Net memory used: 35.529 MB
%------------------------------------------------------------------------------