%------------------------------------------------------------------------------
% File : Prover9---2026-6A
% Problem : CSR101+4 : TPTP v9.3.1. Bugfixed v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : prover9 -casc 300 -f /export/starexec/sandbox2/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 : Sun Sep 27 07:07:26 AM UTC 2026
% Result : Theorem 0.30s 0.47s
% Output : CNFRefutation 0.30s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 7
% Syntax : Number of formulae : 31 ( 16 unt; 0 def)
% Number of atoms : 59 ( 0 equ)
% Maximal formula atoms : 5 ( 1 avg)
% Number of connectives : 51 ( 23 ~; 18 |; 5 &)
% ( 0 <=>; 5 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 23 ( 2 sgn 7 !; 1 ?)
% Comments :
%------------------------------------------------------------------------------
fof(kb_SUMO_26,axiom,
! [V__X,V__Y] :
( s__subclass(V__X,V__Y)
=> ( s__instance(V__Y,s__SetOrClass)
& s__instance(V__X,s__SetOrClass) ) ),
file('theBenchmark.p',kb_SUMO_26) ).
fof(kb_SUMO_27,axiom,
! [V__X,V__Y,V__Z] :
( ( s__instance(V__X,s__SetOrClass)
& s__instance(V__Y,s__SetOrClass) )
=> ( ( s__instance(V__Z,V__X)
& s__subclass(V__X,V__Y) )
=> s__instance(V__Z,V__Y) ) ),
file('theBenchmark.p',kb_SUMO_27) ).
fof(prove_from_SUMO,conjecture,
! [V_X] :
( s__instance(V_X,s__Class32_2)
=> s__instance(V_X,s__Class32_1) ),
file('theBenchmark.p',prove_from_SUMO) ).
fof(prove_from_SUMO_neg,negated_conjecture,
~ ! [V_X] :
( s__instance(V_X,s__Class32_2)
=> s__instance(V_X,s__Class32_1) ),
inference(assume_negation,[status(cth)],[prove_from_SUMO]) ).
cnf(c_42,plain,
( s__instance(A,s__SetOrClass)
| ~ s__subclass(A,B) ),
inference(clausify,[status(thm)],[kb_SUMO_26]) ).
cnf(c_43,plain,
( s__instance(B,s__SetOrClass)
| ~ s__subclass(A,B) ),
inference(clausify,[status(thm)],[kb_SUMO_26]) ).
cnf(c_44,plain,
( s__instance(C,A)
| ~ s__instance(C,B)
| ~ s__subclass(B,A)
| ~ s__instance(B,s__SetOrClass)
| ~ s__instance(A,s__SetOrClass) ),
inference(clausify,[status(thm)],[kb_SUMO_27]) ).
fof(local_4,axiom,
s__subclass(s__Class32_1,s__Animal),
file('theBenchmark.p',local_4) ).
cnf(c_55,plain,
s__subclass(s__Class32_1,s__Animal),
inference(clausify,[status(thm)],[local_4]) ).
fof(local_5,axiom,
s__subclass(s__Class32_2,s__Animal),
file('theBenchmark.p',local_5) ).
cnf(c_56,plain,
s__subclass(s__Class32_2,s__Animal),
inference(clausify,[status(thm)],[local_5]) ).
fof(local_8,axiom,
s__subclass(s__Class32_2,s__Class32_3),
file('theBenchmark.p',local_8) ).
cnf(c_59,plain,
s__subclass(s__Class32_2,s__Class32_3),
inference(clausify,[status(thm)],[local_8]) ).
fof(local_9,axiom,
s__subclass(s__Class32_3,s__Class32_1),
file('theBenchmark.p',local_9) ).
cnf(c_60,plain,
s__subclass(s__Class32_3,s__Class32_1),
inference(clausify,[status(thm)],[local_9]) ).
fof(nnf_22,plain,
? [V_X] :
( ~ s__instance(V_X,s__Class32_1)
& s__instance(V_X,s__Class32_2) ),
inference(fof_nnf,[status(thm)],[prove_from_SUMO_neg]) ).
fof(sk_prove_from_SUMO_neg,plain,
( ~ s__instance(sK0,s__Class32_1)
& s__instance(sK0,s__Class32_2) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(V_X,sK0)],[nnf_22]) ).
cnf(c_61,negated_conjecture,
s__instance(sK0,s__Class32_2),
inference(split_conjunct,[status(thm)],[sk_prove_from_SUMO_neg]) ).
cnf(c_62,negated_conjecture,
~ s__instance(sK0,s__Class32_1),
inference(split_conjunct,[status(thm)],[sk_prove_from_SUMO_neg]) ).
cnf(c_65,plain,
s__instance(s__Class32_1,s__SetOrClass),
inference(resolve,[status(thm)],[c_42,c_55]) ).
cnf(c_66,plain,
s__instance(s__Class32_2,s__SetOrClass),
inference(resolve,[status(thm)],[c_42,c_56]) ).
cnf(c_67,plain,
s__instance(s__Class32_3,s__SetOrClass),
inference(resolve,[status(thm)],[c_43,c_59]) ).
cnf(c_83,plain,
( s__instance(B,s__Class32_3)
| ~ s__instance(B,A)
| ~ s__subclass(A,s__Class32_3)
| ~ s__instance(A,s__SetOrClass) ),
inference(resolve,[status(thm)],[c_44,c_67]) ).
cnf(c_84,plain,
( s__instance(A,s__Class32_3)
| ~ s__instance(A,s__Class32_2)
| ~ s__subclass(s__Class32_2,s__Class32_3) ),
inference(resolve,[status(thm)],[c_83,c_66]) ).
cnf(c_85,plain,
( s__instance(A,s__Class32_3)
| ~ s__instance(A,s__Class32_2) ),
inference(resolve,[status(thm)],[c_84,c_59]) ).
cnf(c_76,negated_conjecture,
s__instance(sK0,s__Class32_3),
inference(resolve,[status(thm)],[c_85,c_61]) ).
cnf(c_86,plain,
( s__instance(B,s__Class32_1)
| ~ s__instance(B,A)
| ~ s__subclass(A,s__Class32_1)
| ~ s__instance(A,s__SetOrClass) ),
inference(resolve,[status(thm)],[c_44,c_65]) ).
cnf(c_87,plain,
( s__instance(A,s__Class32_1)
| ~ s__instance(A,s__Class32_3)
| ~ s__subclass(s__Class32_3,s__Class32_1) ),
inference(resolve,[status(thm)],[c_86,c_67]) ).
cnf(c_88,plain,
( s__instance(A,s__Class32_1)
| ~ s__instance(A,s__Class32_3) ),
inference(resolve,[status(thm)],[c_87,c_60]) ).
cnf(c_81,negated_conjecture,
~ s__instance(sK0,s__Class32_3),
inference(resolve,[status(thm)],[c_88,c_62]) ).
cnf(c_82,plain,
$false,
inference(resolve,[status(thm)],[c_81,c_76]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR101+4 : TPTP v9.3.1. Bugfixed v7.3.0.
% 0.00/0.04 % Command : prover9 -casc 300 -f /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n014.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Sun Sep 27 00:55:01 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.36 % Prover9 (64) version 2026-6A, July 2026, CASC-J13.
% 0.08/0.36 % Process 259404 was started by sandbox2 on n014,
% 0.08/0.36 % Sun Sep 27 00:55:01 2026
% 0.08/0.36 % The command was "/export/starexec/sandbox2/solver/bin/prover9 -casc 300 -f /export/starexec/sandbox2/benchmark/theBenchmark.p".
% 0.30/0.47
% 0.30/0.47 % SInE (scan): 31 to sos (tol 1.5x), 3 to usable (tol 2.0x), 7192 zapped, of 7226 axioms (depth 3).
% 0.30/0.47
% 0.30/0.47 % From the command line: assign(max_seconds, 300).
% 0.30/0.47
% 0.30/0.47 % SZS status Theorem for theBenchmark
% 0.30/0.47
% 0.30/0.47 % Proof 1 at 0.02 (+ 0.01) seconds.
% 0.30/0.47 % Length of proof is 18.
% 0.30/0.47 % Level of proof is 4.
% 0.30/0.47 % Maximum clause weight is 115.000.
% 0.30/0.47 % Given clauses 19.
% 0.30/0.47
% 0.30/0.47 % SZS output start CNFRefutation for theBenchmark
% See solution above
%------------------------------------------------------------------------------