%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : SYN411+1 : TPTP v9.2.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n018.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue May 5 05:37:02 PM UTC 2026
% Result : Theorem 0.26s 1.62s
% Output : CNFRefutation 0.26s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 1
% Syntax : Number of formulae : 7 ( 2 unt; 0 def)
% Number of atoms : 14 ( 0 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 17 ( 10 ~; 4 |; 1 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 5 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 24 ( 6 sgn 12 !; 6 ?)
% Comments :
%------------------------------------------------------------------------------
fof(kalish250,conjecture,
( ! [X1,X2,X3] : f(X1,X2,X3)
<=> ~ ? [X4,X5,X6] : ~ f(X4,X5,X6) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',kalish250) ).
fof(i_0_1,negated_conjecture,
~ ( ! [X1,X2,X3] : f(X1,X2,X3)
<=> ~ ? [X4,X5,X6] : ~ f(X4,X5,X6) ),
inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[kalish250])]) ).
fof(i_0_2,negated_conjecture,
! [X19,X20,X21,X22,X23,X24] :
( ( ~ f(esk1_0,esk2_0,esk3_0)
| ~ f(esk4_0,esk5_0,esk6_0) )
& ( f(X19,X20,X21)
| f(X22,X23,X24) ) ),
inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[i_0_1])])])]) ).
cnf(i_0_3,negated_conjecture,
( ~ f(esk1_0,esk2_0,esk3_0)
| ~ f(esk4_0,esk5_0,esk6_0) ),
inference(split_conjunct,[status(thm)],[i_0_2]),
[final] ).
cnf(i_0_4,negated_conjecture,
( f(X1,X2,X3)
| f(X4,X5,X6) ),
inference(split_conjunct,[status(thm)],[i_0_2]),
[final] ).
cnf(i_0_5,plain,
~ f(esk4_0,esk5_0,esk6_0),
inference(scs_inference,[],[i_0_3,i_0_4]) ).
cnf(i_0_6,plain,
$false,
inference(scs_inference,[],[i_0_5,i_0_4]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SYN411+1 : TPTP v9.2.1. Released v2.0.0.
% 0.00/0.12 % Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.16/0.33 % Computer : n018.cluster.edu
% 0.16/0.33 % Model : x86_64 x86_64
% 0.16/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33 % Memory : 8042.1875MB
% 0.16/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33 % CPULimit : 300
% 0.16/0.33 % WCLimit : 300
% 0.16/0.33 % DateTime : Tue May 5 08:31:47 EDT 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.35 % start to proof: theBenchmark
% 0.26/1.62 % Version : CSE_E---1.7
% 0.26/1.62 % Problem : theBenchmark.p
% 0.26/1.62 % SZS status Theorem for theBenchmark.p
% 0.26/1.62 % SZS output start CNFRefutation
% See solution above
% 0.26/1.64 % Total time : 1.272s
%------------------------------------------------------------------------------