%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : SWB014+2 : TPTP v9.2.1. Released v5.2.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n001.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 05:16:48 PM UTC 2026
% Result : Theorem 0.28s 1.62s
% Output : CNFRefutation 0.28s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 4
% Syntax : Number of formulae : 53 ( 19 unt; 0 def)
% Number of atoms : 258 ( 0 equ)
% Maximal formula atoms : 71 ( 4 avg)
% Number of connectives : 374 ( 169 ~; 170 |; 31 &)
% ( 3 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 27 ( 5 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 13 ( 13 usr; 12 con; 0-5 aty)
% Number of variables : 115 ( 16 sgn 18 !; 5 ?)
% Comments :
%------------------------------------------------------------------------------
fof(testcase_conclusion_fullish_014_Harry_belongs_to_some_Species,conjecture,
? [X8] :
( iext(uri_rdf_type,uri_ex_harry,X8)
& iext(uri_rdf_type,X8,uri_ex_Species) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',testcase_conclusion_fullish_014_Harry_belongs_to_some_Species) ).
fof(owl_bool_unionof_class_002,axiom,
! [X3,X4,X5,X6,X7] :
( ( iext(uri_rdf_first,X4,X5)
& iext(uri_rdf_rest,X4,X6)
& iext(uri_rdf_first,X6,X7)
& iext(uri_rdf_rest,X6,uri_rdf_nil) )
=> ( iext(uri_owl_unionOf,X3,X4)
<=> ( ic(X3)
& ic(X5)
& ic(X7)
& ! [X1] :
( icext(X3,X1)
<=> ( icext(X5,X1)
| icext(X7,X1) ) ) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',owl_bool_unionof_class_002) ).
fof(rdfs_cext_def,axiom,
! [X1,X2] :
( iext(uri_rdf_type,X1,X2)
<=> icext(X2,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rdfs_cext_def) ).
fof(testcase_premise_fullish_014_Harry_belongs_to_some_Species,axiom,
? [X9,X10,X11] :
( iext(uri_rdf_type,uri_ex_Eagle,uri_ex_Species)
& iext(uri_rdf_type,uri_ex_Falcon,uri_ex_Species)
& iext(uri_rdf_type,uri_ex_harry,X9)
& iext(uri_owl_unionOf,X9,X10)
& iext(uri_rdf_first,X10,uri_ex_Eagle)
& iext(uri_rdf_rest,X10,X11)
& iext(uri_rdf_first,X11,uri_ex_Falcon)
& iext(uri_rdf_rest,X11,uri_rdf_nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',testcase_premise_fullish_014_Harry_belongs_to_some_Species) ).
fof(i_0_4,negated_conjecture,
~ ? [X8] :
( iext(uri_rdf_type,uri_ex_harry,X8)
& iext(uri_rdf_type,X8,uri_ex_Species) ),
inference(assume_negation,[status(cth)],[testcase_conclusion_fullish_014_Harry_belongs_to_some_Species]) ).
fof(i_0_5,plain,
! [X26,X27,X28,X29,X30,X31,X32] :
( ( ic(X26)
| ~ iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( ic(X28)
| ~ iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( ic(X30)
| ~ iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( ~ icext(X26,X31)
| icext(X28,X31)
| icext(X30,X31)
| ~ iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( ~ icext(X28,X32)
| icext(X26,X32)
| ~ iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( ~ icext(X30,X32)
| icext(X26,X32)
| ~ iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( ~ icext(X28,esk1_5(X26,X27,X28,X29,X30))
| ~ icext(X26,esk1_5(X26,X27,X28,X29,X30))
| ~ ic(X26)
| ~ ic(X28)
| ~ ic(X30)
| iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( ~ icext(X30,esk1_5(X26,X27,X28,X29,X30))
| ~ icext(X26,esk1_5(X26,X27,X28,X29,X30))
| ~ ic(X26)
| ~ ic(X28)
| ~ ic(X30)
| iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) )
& ( icext(X26,esk1_5(X26,X27,X28,X29,X30))
| icext(X28,esk1_5(X26,X27,X28,X29,X30))
| icext(X30,esk1_5(X26,X27,X28,X29,X30))
| ~ ic(X26)
| ~ ic(X28)
| ~ ic(X30)
| iext(uri_owl_unionOf,X26,X27)
| ~ iext(uri_rdf_first,X27,X28)
| ~ iext(uri_rdf_rest,X27,X29)
| ~ iext(uri_rdf_first,X29,X30)
| ~ iext(uri_rdf_rest,X29,uri_rdf_nil) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[owl_bool_unionof_class_002])])])])])]) ).
fof(i_0_6,negated_conjecture,
! [X34] :
( ~ iext(uri_rdf_type,uri_ex_harry,X34)
| ~ iext(uri_rdf_type,X34,uri_ex_Species) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[i_0_4])]) ).
fof(i_0_7,plain,
! [X24,X25] :
( ( ~ iext(uri_rdf_type,X24,X25)
| icext(X25,X24) )
& ( ~ icext(X25,X24)
| iext(uri_rdf_type,X24,X25) ) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[rdfs_cext_def])]) ).
fof(i_0_8,plain,
( iext(uri_rdf_type,uri_ex_Eagle,uri_ex_Species)
& iext(uri_rdf_type,uri_ex_Falcon,uri_ex_Species)
& iext(uri_rdf_type,uri_ex_harry,esk2_0)
& iext(uri_owl_unionOf,esk2_0,esk3_0)
& iext(uri_rdf_first,esk3_0,uri_ex_Eagle)
& iext(uri_rdf_rest,esk3_0,esk4_0)
& iext(uri_rdf_first,esk4_0,uri_ex_Falcon)
& iext(uri_rdf_rest,esk4_0,uri_rdf_nil) ),
inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[testcase_premise_fullish_014_Harry_belongs_to_some_Species])]) ).
cnf(i_0_9,plain,
( iext(uri_owl_unionOf,X2,X3)
| ~ icext(X1,esk1_5(X2,X3,X4,X5,X1))
| ~ icext(X2,esk1_5(X2,X3,X4,X5,X1))
| ~ ic(X2)
| ~ ic(X4)
| ~ ic(X1)
| ~ iext(uri_rdf_first,X3,X4)
| ~ iext(uri_rdf_rest,X3,X5)
| ~ iext(uri_rdf_first,X5,X1)
| ~ iext(uri_rdf_rest,X5,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_10,plain,
( iext(uri_owl_unionOf,X2,X3)
| ~ icext(X1,esk1_5(X2,X3,X1,X4,X5))
| ~ icext(X2,esk1_5(X2,X3,X1,X4,X5))
| ~ ic(X2)
| ~ ic(X1)
| ~ ic(X5)
| ~ iext(uri_rdf_first,X3,X1)
| ~ iext(uri_rdf_rest,X3,X4)
| ~ iext(uri_rdf_first,X4,X5)
| ~ iext(uri_rdf_rest,X4,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_11,plain,
( icext(X1,esk1_5(X1,X2,X3,X4,X5))
| icext(X3,esk1_5(X1,X2,X3,X4,X5))
| icext(X5,esk1_5(X1,X2,X3,X4,X5))
| iext(uri_owl_unionOf,X1,X2)
| ~ ic(X1)
| ~ ic(X3)
| ~ ic(X5)
| ~ iext(uri_rdf_first,X2,X3)
| ~ iext(uri_rdf_rest,X2,X4)
| ~ iext(uri_rdf_first,X4,X5)
| ~ iext(uri_rdf_rest,X4,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_12,plain,
( icext(X3,X2)
| icext(X4,X2)
| ~ icext(X1,X2)
| ~ iext(uri_owl_unionOf,X1,X5)
| ~ iext(uri_rdf_first,X5,X3)
| ~ iext(uri_rdf_rest,X5,X6)
| ~ iext(uri_rdf_first,X6,X4)
| ~ iext(uri_rdf_rest,X6,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_13,plain,
( icext(X3,X2)
| ~ icext(X1,X2)
| ~ iext(uri_owl_unionOf,X3,X4)
| ~ iext(uri_rdf_first,X4,X1)
| ~ iext(uri_rdf_rest,X4,X5)
| ~ iext(uri_rdf_first,X5,X6)
| ~ iext(uri_rdf_rest,X5,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_14,plain,
( icext(X3,X2)
| ~ icext(X1,X2)
| ~ iext(uri_owl_unionOf,X3,X4)
| ~ iext(uri_rdf_first,X4,X5)
| ~ iext(uri_rdf_rest,X4,X6)
| ~ iext(uri_rdf_first,X6,X1)
| ~ iext(uri_rdf_rest,X6,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_15,plain,
( ic(X1)
| ~ iext(uri_owl_unionOf,X1,X2)
| ~ iext(uri_rdf_first,X2,X3)
| ~ iext(uri_rdf_rest,X2,X4)
| ~ iext(uri_rdf_first,X4,X5)
| ~ iext(uri_rdf_rest,X4,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_16,plain,
( ic(X1)
| ~ iext(uri_owl_unionOf,X2,X3)
| ~ iext(uri_rdf_first,X3,X1)
| ~ iext(uri_rdf_rest,X3,X4)
| ~ iext(uri_rdf_first,X4,X5)
| ~ iext(uri_rdf_rest,X4,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_17,plain,
( ic(X1)
| ~ iext(uri_owl_unionOf,X2,X3)
| ~ iext(uri_rdf_first,X3,X4)
| ~ iext(uri_rdf_rest,X3,X5)
| ~ iext(uri_rdf_first,X5,X1)
| ~ iext(uri_rdf_rest,X5,uri_rdf_nil) ),
inference(split_conjunct,[status(thm)],[i_0_5]),
[final] ).
cnf(i_0_18,negated_conjecture,
( ~ iext(uri_rdf_type,uri_ex_harry,X1)
| ~ iext(uri_rdf_type,X1,uri_ex_Species) ),
inference(split_conjunct,[status(thm)],[i_0_6]),
[final] ).
cnf(i_0_19,plain,
( icext(X2,X1)
| ~ iext(uri_rdf_type,X1,X2) ),
inference(split_conjunct,[status(thm)],[i_0_7]),
[final] ).
cnf(i_0_20,plain,
( iext(uri_rdf_type,X2,X1)
| ~ icext(X1,X2) ),
inference(split_conjunct,[status(thm)],[i_0_7]),
[final] ).
cnf(i_0_21,plain,
iext(uri_owl_unionOf,esk2_0,esk3_0),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_22,plain,
iext(uri_rdf_rest,esk4_0,uri_rdf_nil),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_23,plain,
iext(uri_rdf_rest,esk3_0,esk4_0),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_24,plain,
iext(uri_rdf_first,esk4_0,uri_ex_Falcon),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_25,plain,
iext(uri_rdf_first,esk3_0,uri_ex_Eagle),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_26,plain,
iext(uri_rdf_type,uri_ex_Falcon,uri_ex_Species),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_27,plain,
iext(uri_rdf_type,uri_ex_Eagle,uri_ex_Species),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_28,plain,
iext(uri_rdf_type,uri_ex_harry,esk2_0),
inference(split_conjunct,[status(thm)],[i_0_8]),
[final] ).
cnf(i_0_29,plain,
~ iext(uri_rdf_type,uri_ex_harry,uri_ex_Falcon),
inference(scs_inference,[],[i_0_26,i_0_18]) ).
cnf(i_0_30,plain,
( ~ iext(uri_rdf_type,X1,uri_ex_Species)
| ~ iext(uri_rdf_type,uri_ex_harry,X1) ),
inference(rename_variables,[],[i_0_18]) ).
cnf(i_0_31,plain,
~ icext(uri_ex_Falcon,uri_ex_harry),
inference(scs_inference,[],[i_0_26,i_0_18,i_0_20]) ).
cnf(i_0_32,plain,
( iext(uri_rdf_type,X1,X2)
| ~ icext(X2,X1) ),
inference(rename_variables,[],[i_0_20]) ).
cnf(i_0_33,plain,
icext(uri_ex_Species,uri_ex_Falcon),
inference(scs_inference,[],[i_0_26,i_0_18,i_0_20,i_0_19]) ).
cnf(i_0_34,plain,
( ~ iext(uri_rdf_type,X1,X2)
| icext(X2,X1) ),
inference(rename_variables,[],[i_0_19]) ).
cnf(i_0_35,plain,
ic(esk2_0),
inference(scs_inference,[],[i_0_21,i_0_26,i_0_22,i_0_23,i_0_24,i_0_25,i_0_18,i_0_20,i_0_19,i_0_15]) ).
cnf(i_0_36,plain,
( ~ iext(uri_rdf_rest,X1,uri_rdf_nil)
| ~ iext(uri_owl_unionOf,X2,X3)
| ~ iext(uri_rdf_first,X3,X4)
| ~ iext(uri_rdf_rest,X3,X1)
| ~ iext(uri_rdf_first,X1,X5)
| ic(X2) ),
inference(rename_variables,[],[i_0_15]) ).
cnf(i_0_37,plain,
ic(uri_ex_Falcon),
inference(scs_inference,[],[i_0_21,i_0_26,i_0_22,i_0_23,i_0_24,i_0_25,i_0_18,i_0_20,i_0_19,i_0_15,i_0_17]) ).
cnf(i_0_38,plain,
( ~ iext(uri_rdf_rest,X1,uri_rdf_nil)
| ~ iext(uri_rdf_first,X1,X2)
| ~ iext(uri_owl_unionOf,X3,X4)
| ~ iext(uri_rdf_first,X4,X5)
| ~ iext(uri_rdf_rest,X4,X1)
| ic(X2) ),
inference(rename_variables,[],[i_0_17]) ).
cnf(i_0_39,plain,
( icext(esk2_0,X1)
| ~ icext(uri_ex_Falcon,X1) ),
inference(scs_inference,[],[i_0_21,i_0_26,i_0_22,i_0_23,i_0_24,i_0_25,i_0_18,i_0_20,i_0_19,i_0_15,i_0_17,i_0_14]) ).
cnf(i_0_40,plain,
( ~ iext(uri_rdf_rest,X1,uri_rdf_nil)
| ~ iext(uri_rdf_first,X1,X2)
| ~ iext(uri_owl_unionOf,X3,X4)
| ~ iext(uri_rdf_first,X4,X5)
| ~ iext(uri_rdf_rest,X4,X1)
| icext(X3,X6)
| ~ icext(X2,X6) ),
inference(rename_variables,[],[i_0_14]) ).
cnf(i_0_41,plain,
( icext(esk2_0,esk1_5(uri_ex_Falcon,esk4_0,uri_ex_Falcon,esk4_0,uri_ex_Falcon))
| iext(uri_owl_unionOf,uri_ex_Falcon,esk4_0)
| ~ iext(uri_owl_unionOf,X1,esk4_0)
| ~ iext(uri_rdf_rest,esk4_0,esk4_0)
| ~ iext(uri_owl_unionOf,uri_ex_Falcon,esk4_0) ),
inference(scs_inference,[],[i_0_21,i_0_26,i_0_22,i_0_23,i_0_24,i_0_25,i_0_18,i_0_20,i_0_19,i_0_15,i_0_17,i_0_14,i_0_16,i_0_13,i_0_11]) ).
cnf(i_0_42,plain,
~ iext(uri_rdf_type,uri_ex_harry,uri_ex_Eagle),
inference(scs_inference,[],[i_0_27,i_0_18]) ).
cnf(i_0_43,plain,
( ~ iext(uri_rdf_type,X1,uri_ex_Species)
| ~ iext(uri_rdf_type,uri_ex_harry,X1) ),
inference(rename_variables,[],[i_0_18]) ).
cnf(i_0_44,plain,
~ icext(uri_ex_Eagle,uri_ex_harry),
inference(scs_inference,[],[i_0_27,i_0_18,i_0_20]) ).
cnf(i_0_45,plain,
( iext(uri_rdf_type,X1,X2)
| ~ icext(X2,X1) ),
inference(rename_variables,[],[i_0_20]) ).
cnf(i_0_46,plain,
icext(uri_ex_Species,uri_ex_Eagle),
inference(scs_inference,[],[i_0_27,i_0_18,i_0_20,i_0_19]) ).
cnf(i_0_47,plain,
( ~ iext(uri_rdf_type,X1,X2)
| icext(X2,X1) ),
inference(rename_variables,[],[i_0_19]) ).
cnf(i_0_48,plain,
ic(uri_ex_Eagle),
inference(scs_inference,[],[i_0_21,i_0_27,i_0_23,i_0_25,i_0_22,i_0_24,i_0_18,i_0_20,i_0_19,i_0_16]) ).
cnf(i_0_49,plain,
( ~ iext(uri_rdf_rest,X1,uri_rdf_nil)
| ~ iext(uri_rdf_first,X2,X3)
| ~ iext(uri_owl_unionOf,X4,X2)
| ~ iext(uri_rdf_rest,X2,X1)
| ~ iext(uri_rdf_first,X1,X5)
| ic(X3) ),
inference(rename_variables,[],[i_0_16]) ).
cnf(i_0_50,plain,
~ icext(esk2_0,uri_ex_harry),
inference(scs_inference,[],[i_0_21,i_0_27,i_0_31,i_0_23,i_0_25,i_0_22,i_0_24,i_0_18,i_0_20,i_0_19,i_0_16,i_0_12]) ).
cnf(i_0_51,plain,
( ~ iext(uri_rdf_rest,X1,uri_rdf_nil)
| ~ iext(uri_rdf_first,X2,X3)
| ~ iext(uri_rdf_first,X1,X4)
| ~ iext(uri_owl_unionOf,X5,X2)
| ~ iext(uri_rdf_rest,X2,X1)
| icext(X3,X6)
| icext(X4,X6)
| ~ icext(X5,X6) ),
inference(rename_variables,[],[i_0_12]) ).
cnf(i_0_53,plain,
$false,
inference(scs_inference,[],[i_0_28,i_0_50,i_0_19]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SWB014+2 : TPTP v9.2.1. Released v5.2.0.
% 0.00/0.12 % Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.16/0.33 % Computer : n001.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 04:09:18 EDT 2026
% 0.16/0.33 % CPUTime :
% 0.16/0.34 % start to proof: theBenchmark
% 0.28/1.62 % Version : CSE_E---1.7
% 0.28/1.62 % Problem : theBenchmark.p
% 0.28/1.62 % SZS status Theorem for theBenchmark.p
% 0.28/1.62 % SZS output start CNFRefutation
% See solution above
% 0.28/1.69 % Total time : 1.270s
%------------------------------------------------------------------------------