%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : RNG016-6 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n012.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 02:04:41 PM UTC 2026
% Result : Unsatisfiable 0.02s 0.30s
% Output : CNFRefutation 0.02s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 14
% Syntax : Number of formulae : 39 ( 39 unt; 7 def)
% Number of atoms : 39 ( 38 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 14 ( 14 usr; 11 con; 0-2 aty)
% Number of variables : 29 ( 29 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X] : add(additive_identity,X) = X,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f5,axiom,
! [X] : add(additive_inverse(X),X) = additive_identity,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f7,axiom,
! [X] : additive_inverse(additive_inverse(X)) = X,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f9,axiom,
! [X,Y,Z] : multiply(add(X,Y),Z) = add(multiply(X,Z),multiply(Y,Z)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f10,axiom,
! [X,Y] : add(X,Y) = add(Y,X),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f11,axiom,
! [X,Y,Z] : add(X,add(Y,Z)) = add(add(X,Y),Z),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f16,negated_conjecture,
multiply(add(x,additive_inverse(y)),z) != add(multiply(x,z),additive_inverse(multiply(y,z))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f17,plain,
! [X0] : add(additive_identity,X0) = X0,
inference(cnf_transformation,[status(thm)],[f1]) ).
fof(f21,plain,
! [X0] : add(additive_inverse(X0),X0) = additive_identity,
inference(cnf_transformation,[status(thm)],[f5]) ).
fof(f23,plain,
! [X0] : additive_inverse(additive_inverse(X0)) = X0,
inference(cnf_transformation,[status(thm)],[f7]) ).
fof(f25,plain,
! [X0,X1,X2] : multiply(add(X0,X1),X2) = add(multiply(X0,X2),multiply(X1,X2)),
inference(cnf_transformation,[status(thm)],[f9]) ).
fof(f26,plain,
! [X0,X1] : add(X0,X1) = add(X1,X0),
inference(cnf_transformation,[status(thm)],[f10]) ).
fof(f27,plain,
! [X0,X1,X2] : add(X0,add(X1,X2)) = add(add(X0,X1),X2),
inference(cnf_transformation,[status(thm)],[f11]) ).
fof(f32,plain,
multiply(add(x,additive_inverse(y)),z) != add(multiply(x,z),additive_inverse(multiply(y,z))),
inference(cnf_transformation,[status(thm)],[f16]) ).
fof(f33,definition,
sF2_fnc = additive_inverse(y),
introduced(definition,[new_symbols(definition,[sF2_fnc])],[function_definition]) ).
fof(f34,definition,
sF1_fnc = add(x,sF2_fnc),
introduced(definition,[new_symbols(definition,[sF1_fnc])],[function_definition]) ).
fof(f35,definition,
sF0_fnc = multiply(sF1_fnc,z),
introduced(definition,[new_symbols(definition,[sF0_fnc])],[function_definition]) ).
fof(f36,definition,
sF4_fnc = multiply(x,z),
introduced(definition,[new_symbols(definition,[sF4_fnc])],[function_definition]) ).
fof(f37,definition,
sF6_fnc = multiply(y,z),
introduced(definition,[new_symbols(definition,[sF6_fnc])],[function_definition]) ).
fof(f38,definition,
sF5_fnc = additive_inverse(sF6_fnc),
introduced(definition,[new_symbols(definition,[sF5_fnc])],[function_definition]) ).
fof(f39,definition,
sF3_fnc = add(sF4_fnc,sF5_fnc),
introduced(definition,[new_symbols(definition,[sF3_fnc])],[function_definition]) ).
fof(f40,plain,
sF0_fnc != sF3_fnc,
inference(definition_folding,[],[f32,f39,f38,f37,f36,f35,f34,f33]) ).
fof(f43,plain,
additive_inverse(sF2_fnc) = y,
inference(paramodulation,[status(thm)],[f33,f23]) ).
fof(f49,plain,
add(sF5_fnc,sF6_fnc) = additive_identity,
inference(paramodulation,[status(thm)],[f38,f21]) ).
fof(f57,plain,
sF1_fnc = add(sF2_fnc,x),
inference(paramodulation,[status(thm)],[f34,f26]) ).
fof(f89,plain,
! [X0] : multiply(add(y,X0),z) = add(sF6_fnc,multiply(X0,z)),
inference(paramodulation,[status(thm)],[f37,f25]) ).
fof(f166,plain,
! [X0,X1] : add(additive_inverse(X0),add(X0,X1)) = add(additive_identity,X1),
inference(paramodulation,[status(thm)],[f21,f27]) ).
fof(f182,plain,
! [X0,X1] : add(additive_inverse(X0),add(X0,X1)) = X1,
inference(forward_demodulation,[status(thm)],[f17,f166]) ).
fof(f257,plain,
sF3_fnc = add(sF5_fnc,sF4_fnc),
inference(paramodulation,[status(thm)],[f26,f39]) ).
fof(f277,plain,
! [X0] : add(sF5_fnc,add(sF6_fnc,X0)) = add(additive_identity,X0),
inference(paramodulation,[status(thm)],[f49,f27]) ).
fof(f281,plain,
! [X0] : add(sF5_fnc,add(sF6_fnc,X0)) = X0,
inference(forward_demodulation,[status(thm)],[f17,f277]) ).
fof(f656,plain,
add(additive_inverse(sF2_fnc),sF1_fnc) = x,
inference(paramodulation,[status(thm)],[f57,f182]) ).
fof(f686,plain,
add(y,sF1_fnc) = x,
inference(forward_demodulation,[status(thm)],[f43,f656]) ).
fof(f907,plain,
multiply(add(y,sF1_fnc),z) = add(sF6_fnc,sF0_fnc),
inference(paramodulation,[status(thm)],[f35,f89]) ).
fof(f916,plain,
multiply(x,z) = add(sF6_fnc,sF0_fnc),
inference(forward_demodulation,[status(thm)],[f686,f907]) ).
fof(f917,plain,
sF4_fnc = add(sF6_fnc,sF0_fnc),
inference(forward_demodulation,[status(thm)],[f36,f916]) ).
fof(f919,plain,
add(sF5_fnc,sF4_fnc) = sF0_fnc,
inference(paramodulation,[status(thm)],[f917,f281]) ).
fof(f924,plain,
sF3_fnc = sF0_fnc,
inference(forward_demodulation,[status(thm)],[f257,f919]) ).
fof(f925,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f924,f40]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : RNG016-6 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.02 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.02/0.29 % Computer : n012.cluster.edu
% 0.02/0.29 % Model : x86_64 x86_64
% 0.02/0.29 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.02/0.29 % Memory : 8046.5625MB
% 0.02/0.29 % OS : Linux 6.8.0-71-generic
% 0.02/0.29 % CPULimit : 300
% 0.02/0.29 % WCLimit : 300
% 0.02/0.29 % DateTime : Mon Sep 21 04:10:21 UTC 2026
% 0.02/0.29 % CPUTime :
% 0.02/0.30 % Drodi V4.1.1
% 0.02/0.30 % Refutation found
% 0.02/0.30 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.02/0.30 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 1.30/1.53 % Elapsed time: 1.021485 seconds
% 1.30/1.53 % CPU time: 0.065814 seconds
% 1.30/1.53 % Total memory used: 4.217 MB
% 1.30/1.53 % Net memory used: 4.133 MB
%------------------------------------------------------------------------------