%------------------------------------------------------------------------------
% File : Prover9---2026-6A
% Problem : SYN727-1 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n011.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 09:39:13 AM UTC 2026
% Result : Unsatisfiable 0.21s 0.66s
% Output : CNFRefutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 6 unt; 0 def)
% Number of atoms : 10 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 6 ( 4 ~; 2 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 9 ( 3 sgn 4 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(thm68_1,axiom,
! [VAR_0] : likes(VAR_0,bruce),
file('theBenchmark.p',thm68_1) ).
cnf(c_1,plain,
likes(A,bruce),
inference(clausify,[status(thm)],[thm68_1]) ).
fof(thm68_2,axiom,
! [VAR_0,VAR_1] :
( ~ likes(VAR_0,VAR_1)
| likes(lyle,VAR_0) ),
file('theBenchmark.p',thm68_2) ).
cnf(c_2,plain,
( ~ likes(A,B)
| likes(lyle,A) ),
inference(clausify,[status(thm)],[thm68_2]) ).
fof(thm68_3,axiom,
! [VAR_0] : ~ likes(VAR_0,sk1(VAR_0)),
file('theBenchmark.p',thm68_3) ).
cnf(c_3,plain,
~ likes(A,sk1(A)),
inference(clausify,[status(thm)],[thm68_3]) ).
cnf(c_4,plain,
likes(lyle,A),
inference(resolve,[status(thm)],[c_2,c_1]) ).
cnf(c_5,plain,
$false,
inference(resolve,[status(thm)],[c_4,c_3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SYN727-1 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.06 % Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/0.64 % Computer : n011.cluster.edu
% 0.17/0.64 % Model : x86_64 x86_64
% 0.17/0.64 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.64 % Memory : 8046.5625MB
% 0.17/0.64 % OS : Linux 6.8.0-71-generic
% 0.17/0.64 % CPULimit : 300
% 0.17/0.64 % WCLimit : 300
% 0.17/0.64 % DateTime : Sat Sep 26 18:22:29 UTC 2026
% 0.17/0.64 % CPUTime :
% 0.17/0.65 % Prover9 (64) version 2026-6A, July 2026, CASC-J13.
% 0.17/0.65 % Process 1253771 was started by sandbox on n011,
% 0.17/0.65 % Sat Sep 26 18:22:29 2026
% 0.17/0.65 % The command was "/export/starexec/sandbox/solver/bin/prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p".
% 0.21/0.65
% 0.21/0.65 % From the command line: assign(max_seconds, 300).
% 0.21/0.66
% 0.21/0.66 % SZS status Unsatisfiable for theBenchmark
% 0.21/0.66
% 0.21/0.66 % Proof 1 at 0.00 (+ 0.00) seconds.
% 0.21/0.66 % Length of proof is 5.
% 0.21/0.66 % Level of proof is 2.
% 0.21/0.66 % Maximum clause weight is 14.000.
% 0.21/0.66 % Given clauses 2.
% 0.21/0.66
% 0.21/0.66 % SZS output start CNFRefutation for theBenchmark
% See solution above
%------------------------------------------------------------------------------