%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : CSR099+4 : TPTP v9.3.1. Bugfixed v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/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 12:13:40 PM UTC 2026
% Result : Theorem 6.01s 1.28s
% Output : CNFRefutation 6.01s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 9
% Syntax : Number of formulae : 34 ( 14 unt; 4 def)
% Number of atoms : 69 ( 9 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 59 ( 24 ~; 24 |; 4 &)
% ( 4 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 8 ( 6 usr; 5 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 12 ( 12 !; 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/sandbox/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/sandbox/benchmark/theBenchmark.p') ).
fof(f7219,axiom,
s__subclass(s__Class30_1,s__Reptile),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7220,axiom,
s__subclass(s__Reptile,s__Class30_1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7221,conjecture,
s__Class30_1 = s__Reptile,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7222,negated_conjecture,
s__Class30_1 != s__Reptile,
inference(negated_conjecture,[status(cth)],[f7221]) ).
fof(f7262,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(f7263,plain,
! [X0,X1] :
( s__instance(X0,s__SetOrClass)
| ~ s__subclass(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f7262]) ).
fof(f9516,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(f9517,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)],[f9516]) ).
fof(f19223,plain,
s__subclass(s__Class30_1,s__Reptile),
inference(cnf_transformation,[status(thm)],[f7219]) ).
fof(f19224,plain,
s__subclass(s__Reptile,s__Class30_1),
inference(cnf_transformation,[status(thm)],[f7220]) ).
fof(f19225,plain,
s__Class30_1 != s__Reptile,
inference(cnf_transformation,[status(thm)],[f7222]) ).
fof(f19647,definition,
( sQ67_spl
<=> s__instance(s__Reptile,s__SetOrClass) ),
introduced(definition,[new_symbols(definition,[sQ67_spl])],[split_symbol_definition]) ).
fof(f19649,plain,
( sQ67_spl
| ~ s__instance(s__Reptile,s__SetOrClass) ),
inference(component_clause,[status(thm)],[f19647]) ).
fof(f19653,definition,
( sQ69_spl
<=> s__instance(s__Class30_1,s__SetOrClass) ),
introduced(definition,[new_symbols(definition,[sQ69_spl])],[split_symbol_definition]) ).
fof(f19655,plain,
( sQ69_spl
| ~ s__instance(s__Class30_1,s__SetOrClass) ),
inference(component_clause,[status(thm)],[f19653]) ).
fof(f19656,definition,
( sQ70_spl
<=> s__Class30_1 = s__Reptile ),
introduced(definition,[new_symbols(definition,[sQ70_spl])],[split_symbol_definition]) ).
fof(f19657,plain,
( ~ sQ70_spl
| s__Class30_1 = s__Reptile ),
inference(component_clause,[status(thm)],[f19656]) ).
fof(f19674,plain,
( ~ sQ70_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f19657,f19225]) ).
fof(f19675,plain,
~ sQ70_spl,
inference(contradiction_clause,[status(thm)],[f19674]) ).
fof(f19717,plain,
s__instance(s__Class30_1,s__SetOrClass),
inference(resolution,[status(thm)],[f7263,f19223]) ).
fof(f19718,plain,
s__instance(s__Reptile,s__SetOrClass),
inference(resolution,[status(thm)],[f7263,f19224]) ).
fof(f19720,plain,
( sQ69_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f19717,f19655]) ).
fof(f19721,plain,
sQ69_spl,
inference(contradiction_clause,[status(thm)],[f19720]) ).
fof(f19722,plain,
( sQ67_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f19718,f19649]) ).
fof(f19723,plain,
sQ67_spl,
inference(contradiction_clause,[status(thm)],[f19722]) ).
fof(f24589,definition,
( sQ816_spl
<=> s__subclass(s__Class30_1,s__Reptile) ),
introduced(definition,[new_symbols(definition,[sQ816_spl])],[split_symbol_definition]) ).
fof(f24591,plain,
( sQ816_spl
| ~ s__subclass(s__Class30_1,s__Reptile) ),
inference(component_clause,[status(thm)],[f24589]) ).
fof(f33292,plain,
( s__Class30_1 = s__Reptile
| ~ s__subclass(s__Class30_1,s__Reptile)
| ~ s__instance(s__Class30_1,s__SetOrClass)
| ~ s__instance(s__Reptile,s__SetOrClass) ),
inference(resolution,[status(thm)],[f19224,f9517]) ).
fof(f33294,plain,
( sQ70_spl
| ~ sQ816_spl
| ~ sQ69_spl
| ~ sQ67_spl ),
inference(split_clause,[status(thm)],[f33292,f19647,f19653,f24589,f19656]) ).
fof(f33298,plain,
( sQ816_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f24591,f19223]) ).
fof(f33299,plain,
sQ816_spl,
inference(contradiction_clause,[status(thm)],[f33298]) ).
fof(f33300,plain,
$false,
inference(sat_refutation,[status(thm)],[f19675,f19721,f19723,f33294,f33299]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : CSR099+4 : TPTP v9.3.1. Bugfixed v7.3.0.
% 0.00/0.02 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.04/0.30 % Computer : n012.cluster.edu
% 0.04/0.30 % Model : x86_64 x86_64
% 0.04/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/0.30 % Memory : 8046.5625MB
% 0.04/0.30 % OS : Linux 6.8.0-71-generic
% 0.04/0.30 % CPULimit : 300
% 0.04/0.30 % WCLimit : 300
% 0.04/0.30 % DateTime : Mon Sep 21 14:58:08 UTC 2026
% 0.04/0.31 % CPUTime :
% 0.08/0.42 % Drodi V4.1.1
% 6.01/1.28 % Refutation found
% 6.01/1.28 % SZS status Theorem for theBenchmark: Theorem is valid
% 6.01/1.28 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 6.49/1.35 % Elapsed time: 1.034726 seconds
% 6.49/1.35 % CPU time: 7.023879 seconds
% 6.49/1.35 % Total memory used: 585.702 MB
% 6.49/1.35 % Net memory used: 581.496 MB
%------------------------------------------------------------------------------