%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : CSR099+1 : TPTP v9.3.1. Bugfixed v7.3.0.
% 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 12:13:39 PM UTC 2026
% Result : Theorem 36.39s 5.16s
% Output : CNFRefutation 36.39s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 5
% Syntax : Number of formulae : 19 ( 10 unt; 0 def)
% Number of atoms : 42 ( 11 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 42 ( 19 ~; 16 |; 4 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 14 ( 14 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f26,axiom,
! [V__X,V__Y] :
( s__subclass(V__X,V__Y)
=> ( s__instance(V__Y,s__SetOrClass)
& s__instance(V__X,s__SetOrClass) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f1217,axiom,
! [V__INST1,V__INST2] :
( ( s__instance(V__INST1,s__SetOrClass)
& s__instance(V__INST2,s__SetOrClass) )
=> ( ( s__subclass(V__INST2,V__INST1)
& s__subclass(V__INST1,V__INST2) )
=> V__INST1 = V__INST2 ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14789,axiom,
s__subclass(s__Class30_1,s__Reptile),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14790,axiom,
s__subclass(s__Reptile,s__Class30_1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14791,conjecture,
s__Class30_1 = s__Reptile,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14792,negated_conjecture,
s__Class30_1 != s__Reptile,
inference(negated_conjecture,[status(cth)],[f14791]) ).
fof(f14832,plain,
! [V__X,V__Y] :
( ( s__instance(V__Y,s__SetOrClass)
& s__instance(V__X,s__SetOrClass) )
| ~ s__subclass(V__X,V__Y) ),
inference(pre_NNF_transformation,[status(thm)],[f26]) ).
fof(f14834,plain,
! [X0,X1] :
( s__instance(X1,s__SetOrClass)
| ~ s__subclass(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f14832]) ).
fof(f17086,plain,
! [V__INST1,V__INST2] :
( V__INST1 = V__INST2
| ~ s__subclass(V__INST2,V__INST1)
| ~ s__subclass(V__INST1,V__INST2)
| ~ s__instance(V__INST1,s__SetOrClass)
| ~ s__instance(V__INST2,s__SetOrClass) ),
inference(pre_NNF_transformation,[status(thm)],[f1217]) ).
fof(f17087,plain,
! [X0,X1] :
( X1 = X0
| ~ s__subclass(X0,X1)
| ~ s__subclass(X1,X0)
| ~ s__instance(X1,s__SetOrClass)
| ~ s__instance(X0,s__SetOrClass) ),
inference(cnf_transformation,[status(thm)],[f17086]) ).
fof(f34363,plain,
s__subclass(s__Class30_1,s__Reptile),
inference(cnf_transformation,[status(thm)],[f14789]) ).
fof(f34364,plain,
s__subclass(s__Reptile,s__Class30_1),
inference(cnf_transformation,[status(thm)],[f14790]) ).
fof(f34365,plain,
s__Class30_1 != s__Reptile,
inference(cnf_transformation,[status(thm)],[f14792]) ).
fof(f50713,plain,
! [X0,X1] :
( X0 = X1
| ~ s__subclass(X1,X0)
| ~ s__subclass(X0,X1)
| ~ s__instance(X0,s__SetOrClass) ),
inference(forward_subsumption_resolution,[status(thm)],[f17087,f14834]) ).
fof(f51314,plain,
( s__Class30_1 = s__Reptile
| ~ s__subclass(s__Reptile,s__Class30_1)
| ~ s__instance(s__Class30_1,s__SetOrClass) ),
inference(resolution,[status(thm)],[f50713,f34363]) ).
fof(f51908,plain,
( s__Class30_1 = s__Reptile
| ~ s__subclass(s__Reptile,s__Class30_1) ),
inference(forward_subsumption_resolution,[status(thm)],[f51314,f14834]) ).
fof(f52072,plain,
s__Reptile != s__Reptile,
inference(backward_demodulation,[status(thm)],[f52073,f34365]) ).
fof(f52073,plain,
s__Class30_1 = s__Reptile,
inference(forward_subsumption_resolution,[status(thm)],[f51908,f34364]) ).
fof(f52261,plain,
$false,
inference(trivial_equality_resolution,[status(thm)],[f52072]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : CSR099+1 : TPTP v9.3.1. Bugfixed v7.3.0.
% 0.00/0.02 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.03/0.29 % Computer : n012.cluster.edu
% 0.03/0.29 % Model : x86_64 x86_64
% 0.03/0.29 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.03/0.29 % Memory : 8046.5625MB
% 0.03/0.29 % OS : Linux 6.8.0-71-generic
% 0.03/0.29 % CPULimit : 300
% 0.03/0.29 % WCLimit : 300
% 0.03/0.29 % DateTime : Mon Sep 21 14:57:51 UTC 2026
% 0.03/0.29 % CPUTime :
% 0.21/0.51 % Drodi V4.1.1
% 36.39/5.16 % Refutation found
% 36.39/5.16 % SZS status Theorem for theBenchmark: Theorem is valid
% 36.39/5.16 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 36.39/5.17 % Elapsed time: 4.865333 seconds
% 36.39/5.17 % CPU time: 36.635122 seconds
% 36.39/5.17 % Total memory used: 971.277 MB
% 36.39/5.17 % Net memory used: 959.776 MB
%------------------------------------------------------------------------------