%------------------------------------------------------------------------------
% File : Prover9---2026-6A
% Problem : KRS137+1 : TPTP v9.3.1. Released v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n008.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 07:46:07 AM UTC 2026
% Result : Theorem 0.17s 20.47s
% Output : CNFRefutation 0.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 18
% Number of leaves : 6
% Syntax : Number of formulae : 40 ( 10 unt; 0 def)
% Number of atoms : 174 ( 0 equ)
% Maximal formula atoms : 16 ( 4 avg)
% Number of connectives : 256 ( 122 ~; 114 |; 16 &)
% ( 4 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 5 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 7 ( 6 usr; 1 prp; 0-1 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 15 ( 2 sgn 7 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(axiom_0,axiom,
! [X] :
( ~ cowlNothing(X)
& cowlThing(X) ),
file('theBenchmark.p',axiom_0) ).
fof(axiom_1,axiom,
! [X] :
( xsd_string(X)
<=> ~ xsd_integer(X) ),
file('theBenchmark.p',axiom_1) ).
fof(axiom_2,axiom,
! [X] :
( cCar(X)
<=> cAutomobile(X) ),
file('theBenchmark.p',axiom_2) ).
fof(the_axiom,conjecture,
( cAutomobile(icar)
& cowlThing(icar)
& cowlThing(iauto)
& cCar(iauto)
& ! [X] :
( xsd_string(X)
<=> ~ xsd_integer(X) )
& ! [X] :
( ~ cowlNothing(X)
& cowlThing(X) ) ),
file('theBenchmark.p',the_axiom) ).
fof(the_axiom_neg,negated_conjecture,
~ ( cAutomobile(icar)
& cowlThing(icar)
& cowlThing(iauto)
& cCar(iauto)
& ! [X] :
( xsd_string(X)
<=> ~ xsd_integer(X) )
& ! [X] :
( ~ cowlNothing(X)
& cowlThing(X) ) ),
inference(assume_negation,[status(cth)],[the_axiom]) ).
fof(nnf_4,plain,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| ? [X] :
( ( xsd_integer(X)
| ~ xsd_string(X) )
& ( ~ xsd_integer(X)
| xsd_string(X) ) )
| ? [X0] :
( cowlNothing(X0)
| ~ cowlThing(X0) ) ),
inference(fof_nnf,[status(thm)],[the_axiom_neg]) ).
fof(sk_the_axiom_neg_sk,plain,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| ( ( xsd_integer(sK1)
| ~ xsd_string(sK1) )
& ( ~ xsd_integer(sK1)
| xsd_string(sK1) ) )
| cowlNothing(sK0)
| ~ cowlThing(sK0) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X,sK1)],[nnf_4]) ).
fof(sk_the_axiom_neg,plain,
( ( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| xsd_integer(sK1)
| ~ xsd_string(sK1)
| cowlNothing(sK0)
| ~ cowlThing(sK0) )
& ( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| ~ xsd_integer(sK1)
| xsd_string(sK1)
| cowlNothing(sK0)
| ~ cowlThing(sK0) ) ),
inference(cnf_transformation,[status(thm)],[sk_the_axiom_neg_sk]) ).
cnf(c_5,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| ~ xsd_integer(sK1)
| xsd_string(sK1)
| cowlNothing(sK0)
| ~ cowlThing(sK0) ),
inference(split_conjunct,[status(thm)],[sk_the_axiom_neg]) ).
cnf(c_6,plain,
~ cowlNothing(A),
inference(clausify,[status(thm)],[axiom_0]) ).
cnf(c_7,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| xsd_integer(sK1)
| ~ xsd_string(sK1)
| cowlNothing(sK0)
| ~ cowlThing(sK0) ),
inference(split_conjunct,[status(thm)],[sk_the_axiom_neg]) ).
cnf(c_8,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| ~ xsd_integer(sK1)
| xsd_string(sK1)
| ~ cowlThing(sK0) ),
inference(resolve,[status(thm)],[c_5,c_6]) ).
cnf(c_9,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| xsd_integer(sK1)
| ~ xsd_string(sK1)
| ~ cowlThing(sK0) ),
inference(resolve,[status(thm)],[c_7,c_6]) ).
cnf(c_10,plain,
( xsd_integer(A)
| xsd_string(A) ),
inference(clausify,[status(thm)],[axiom_1]) ).
cnf(c_11,plain,
( ~ xsd_integer(A)
| ~ xsd_string(A) ),
inference(clausify,[status(thm)],[axiom_1]) ).
cnf(c_12,plain,
( ~ cAutomobile(A)
| cCar(A) ),
inference(clausify,[status(thm)],[axiom_2]) ).
cnf(c_13,plain,
( cAutomobile(A)
| ~ cCar(A) ),
inference(clausify,[status(thm)],[axiom_2]) ).
cnf(c_14,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| xsd_integer(sK1)
| ~ cowlThing(sK0)
| xsd_integer(sK1) ),
inference(resolve,[status(thm)],[c_10,c_9]) ).
cnf(c_15,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cCar(iauto)
| ~ xsd_integer(sK1)
| ~ cowlThing(sK0)
| ~ xsd_integer(sK1) ),
inference(resolve,[status(thm)],[c_11,c_8]) ).
fof(axiom_6,axiom,
cCar(icar),
file('theBenchmark.p',axiom_6) ).
cnf(c_16,plain,
cCar(icar),
inference(clausify,[status(thm)],[axiom_6]) ).
cnf(c_17,plain,
cAutomobile(icar),
inference(resolve,[status(thm)],[c_16,c_13]) ).
cnf(c_18,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ xsd_integer(sK1)
| ~ cowlThing(sK0)
| ~ xsd_integer(sK1)
| ~ cAutomobile(iauto) ),
inference(resolve,[status(thm)],[c_12,c_15]) ).
cnf(c_28,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cowlThing(sK0)
| ~ xsd_integer(sK1)
| ~ cAutomobile(iauto) ),
inference(copy,[status(thm)],[c_18]) ).
cnf(c_19,negated_conjecture,
( ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cowlThing(sK0)
| ~ xsd_integer(sK1)
| ~ cAutomobile(iauto) ),
inference(resolve,[status(thm)],[c_17,c_28]) ).
cnf(c_20,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| xsd_integer(sK1)
| ~ cowlThing(sK0)
| xsd_integer(sK1)
| ~ cAutomobile(iauto) ),
inference(resolve,[status(thm)],[c_12,c_14]) ).
cnf(c_29,negated_conjecture,
( ~ cAutomobile(icar)
| ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cowlThing(sK0)
| xsd_integer(sK1)
| ~ cAutomobile(iauto) ),
inference(copy,[status(thm)],[c_20]) ).
cnf(c_21,negated_conjecture,
( ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cowlThing(sK0)
| xsd_integer(sK1)
| ~ cAutomobile(iauto) ),
inference(resolve,[status(thm)],[c_17,c_29]) ).
fof(axiom_4,axiom,
cAutomobile(iauto),
file('theBenchmark.p',axiom_4) ).
cnf(c_23,plain,
cAutomobile(iauto),
inference(clausify,[status(thm)],[axiom_4]) ).
cnf(c_25,plain,
cowlThing(A),
inference(clausify,[status(thm)],[axiom_0]) ).
cnf(c_30,negated_conjecture,
( ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cowlThing(sK0)
| xsd_integer(sK1) ),
inference(resolve,[status(thm)],[c_23,c_21]) ).
cnf(c_31,negated_conjecture,
( ~ cowlThing(icar)
| ~ cowlThing(iauto)
| xsd_integer(sK1) ),
inference(resolve,[status(thm)],[c_25,c_30]) ).
cnf(c_32,negated_conjecture,
( ~ cowlThing(icar)
| xsd_integer(sK1) ),
inference(resolve,[status(thm)],[c_25,c_31]) ).
cnf(c_26,negated_conjecture,
xsd_integer(sK1),
inference(resolve,[status(thm)],[c_25,c_32]) ).
cnf(c_33,negated_conjecture,
( ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cowlThing(sK0)
| ~ xsd_integer(sK1) ),
inference(resolve,[status(thm)],[c_23,c_19]) ).
cnf(c_34,negated_conjecture,
( ~ cowlThing(icar)
| ~ cowlThing(iauto)
| ~ cowlThing(sK0) ),
inference(resolve,[status(thm)],[c_26,c_33]) ).
cnf(c_35,negated_conjecture,
( ~ cowlThing(icar)
| ~ cowlThing(iauto) ),
inference(resolve,[status(thm)],[c_25,c_34]) ).
cnf(c_36,negated_conjecture,
~ cowlThing(icar),
inference(resolve,[status(thm)],[c_25,c_35]) ).
cnf(c_27,negated_conjecture,
$false,
inference(resolve,[status(thm)],[c_25,c_36]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : KRS137+1 : TPTP v9.3.1. Released v3.1.0.
% 0.00/0.07 % Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/20.45 % Computer : n008.cluster.edu
% 0.17/20.45 % Model : x86_64 x86_64
% 0.17/20.45 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/20.45 % Memory : 8046.5625MB
% 0.17/20.45 % OS : Linux 6.8.0-71-generic
% 0.17/20.45 % CPULimit : 300
% 0.17/20.45 % WCLimit : 300
% 0.17/20.45 % DateTime : Fri Sep 25 19:42:17 UTC 2026
% 0.17/20.46 % CPUTime :
% 0.17/20.46 % Prover9 (64) version 2026-6A, July 2026, CASC-J13.
% 0.17/20.46 % Process 1707270 was started by sandbox on n008,
% 0.17/20.46 % Fri Sep 25 19:42:17 2026
% 0.17/20.46 % The command was "/export/starexec/sandbox/solver/bin/prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p".
% 0.17/20.46
% 0.17/20.46 % From the command line: assign(max_seconds, 300).
% 0.17/20.47
% 0.17/20.47 % SZS status Theorem for theBenchmark
% 0.17/20.47
% 0.17/20.47 % Proof 1 at 0.00 (+ 0.00) seconds.
% 0.17/20.47 % Length of proof is 25.
% 0.17/20.47 % Level of proof is 7.
% 0.17/20.47 % Maximum clause weight is 10.000.
% 0.17/20.47 % Given clauses 0.
% 0.17/20.47
% 0.17/20.47 % SZS output start CNFRefutation for theBenchmark
% See solution above
%------------------------------------------------------------------------------