%------------------------------------------------------------------------------
% File : Prover9---2026-6A
% Problem : SYN287-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n016.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 09:37:28 AM UTC 2026
% Result : Unsatisfiable 0.34s 15.53s
% Output : CNFRefutation 0.34s
% 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 : 1 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 8 ( 3 sgn 4 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(axiom_15,axiom,
n0(a,b),
file('theBenchmark.p',axiom_15) ).
cnf(c_6,plain,
n0(a,b),
inference(clausify,[status(thm)],[axiom_15]) ).
fof(rule_100,axiom,
! [VAR_0,VAR_1] :
( ~ n0(VAR_1,VAR_0)
| q1(VAR_0,VAR_0,VAR_0) ),
file('theBenchmark.p',rule_100) ).
cnf(c_22,plain,
( ~ n0(B,A)
| q1(A,A,A) ),
inference(clausify,[status(thm)],[rule_100]) ).
cnf(c_222,plain,
q1(b,b,b),
inference(resolve,[status(thm)],[c_22,c_6]) ).
fof(prove_this,axiom,
! [VAR_0,VAR_1] : ~ q1(b,VAR_0,VAR_1),
file('theBenchmark.p',prove_this) ).
cnf(c_264,plain,
~ q1(b,A,B),
inference(clausify,[status(thm)],[prove_this]) ).
cnf(c_265,plain,
$false,
inference(resolve,[status(thm)],[c_264,c_222]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN287-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.04 % Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/5.38 % Computer : n016.cluster.edu
% 0.09/5.38 % Model : x86_64 x86_64
% 0.09/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/5.38 % Memory : 8046.5625MB
% 0.09/5.38 % OS : Linux 6.8.0-71-generic
% 0.08/15.42 % CPULimit : 300
% 0.08/15.42 % WCLimit : 300
% 0.08/15.42 % DateTime : Sat Sep 26 17:30:35 UTC 2026
% 0.08/15.43 % CPUTime :
% 0.08/15.43 % Prover9 (64) version 2026-6A, July 2026, CASC-J13.
% 0.08/15.43 % Process 3807535 was started by sandbox on n010,
% 0.08/15.43 % Sat Sep 26 17:30:35 2026
% 0.08/15.43 % The command was "/export/starexec/sandbox/solver/bin/prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p".
% 0.08/15.44
% 0.08/15.44 % From the command line: assign(max_seconds, 300).
% 0.34/15.53
% 0.34/15.53 % SZS status Unsatisfiable for theBenchmark
% 0.34/15.53
% 0.34/15.53 % Proof 1 at 0.08 (+ 0.00) seconds.
% 0.34/15.53 % Length of proof is 5.
% 0.34/15.53 % Level of proof is 2.
% 0.34/15.53 % Maximum clause weight is 9.000.
% 0.34/15.53 % Given clauses 0.
% 0.34/15.53
% 0.34/15.53 % SZS output start CNFRefutation for theBenchmark
% See solution above
%------------------------------------------------------------------------------