%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : LCL113-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n015.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 : Fri Sep 25 02:05:41 PM UTC 2026
% Result : Unsatisfiable 26.89s 5.88s
% Output : CNFRefutation 26.89s
% Verified :
% SZS Type : Refutation
% Derivation depth : 14
% Number of leaves : 11
% Syntax : Number of formulae : 75 ( 36 unt; 5 def)
% Number of atoms : 194 ( 5 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 121 ( 67 ~; 54 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 4 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 8 ( 6 usr; 6 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 130 ( 0 sgn 130 !; 0 ?; 119 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] :
( is_a_theorem(X1)
| ~ is_a_theorem(X0)
| ~ is_a_theorem(implies(X0,X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).
fof(f2,axiom,
! [X0,X1] : is_a_theorem(implies(X0,implies(X1,X0))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mv_1) ).
fof(f3,axiom,
! [X2,X0,X1] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mv_2) ).
fof(f4,axiom,
! [X0,X1] : is_a_theorem(implies(implies(implies(X0,X1),X1),implies(implies(X1,X0),X0))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mv_3) ).
fof(f5,axiom,
! [X0,X1] : is_a_theorem(implies(implies(not(X0),not(X1)),implies(X1,X0))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mv_5) ).
fof(f6,negated_conjecture,
~ is_a_theorem(implies(implies(not(a),b),implies(not(b),a))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_mv_33) ).
tcf(c_55,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(X1)
| ~ is_a_theorem(X0)
| ~ is_a_theorem(implies(X0,X1)) ),
inference(cnf_transformation,[],[f1]) ).
tcf(c_56,plain,
! [X0: $i,X1: $i] : is_a_theorem(implies(X0,implies(X1,X0))),
inference(cnf_transformation,[],[f2]) ).
tcf(c_57,plain,
! [X0: $i,X1: $i,X2: $i] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))),
inference(cnf_transformation,[],[f3]) ).
tcf(c_58,plain,
! [X0: $i,X1: $i] : is_a_theorem(implies(implies(implies(X0,X1),X1),implies(implies(X1,X0),X0))),
inference(cnf_transformation,[],[f4]) ).
tcf(c_59,plain,
! [X0: $i,X1: $i] : is_a_theorem(implies(implies(not(X0),not(X1)),implies(X1,X0))),
inference(cnf_transformation,[],[f5]) ).
tcf(c_60,negated_conjecture,
~ is_a_theorem(implies(implies(not(a),b),implies(not(b),a))),
inference(cnf_transformation,[],[f6]) ).
tcf(c_81,definition,
iPr_def_10 = not(a),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_82,definition,
iPr_def_11 = implies(iPr_def_10,b),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_83,definition,
iPr_def_12 = not(b),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_84,definition,
iPr_def_13 = implies(iPr_def_12,a),
introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).
tcf(c_85,definition,
iPr_def_14 = implies(iPr_def_11,iPr_def_13),
introduced(definition,[new_symbols(definition,[iPr_def_14])],[]) ).
tcf(c_86,negated_conjecture,
~ is_a_theorem(iPr_def_14),
inference(demodulation,[status(thm)],[c_60,c_83,c_84,c_81,c_82,c_85]) ).
tcf(c_205,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(X1,X0))
| ~ is_a_theorem(X0) ),
inference(superposition,[status(thm)],[c_56,c_55]) ).
tcf(c_224,plain,
! [X0: $i] : is_a_theorem(implies(implies(iPr_def_10,not(X0)),implies(X0,a))),
inference(superposition,[status(thm)],[c_81,c_59]) ).
tcf(c_227,plain,
! [X0: $i] : is_a_theorem(implies(implies(not(X0),iPr_def_12),implies(b,X0))),
inference(superposition,[status(thm)],[c_83,c_59]) ).
tcf(c_243,plain,
! [X0: $i] : is_a_theorem(implies(iPr_def_11,implies(implies(b,X0),implies(iPr_def_10,X0)))),
inference(superposition,[status(thm)],[c_82,c_57]) ).
tcf(c_252,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(implies(X1,X2),implies(X0,X2)))
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_57,c_55]) ).
tcf(c_285,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(implies(X1,X0),X0))
| ~ is_a_theorem(implies(implies(X0,X1),X1)) ),
inference(superposition,[status(thm)],[c_58,c_55]) ).
tcf(c_727,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(X0,X2))
| ~ is_a_theorem(implies(X1,X2))
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_252,c_55]) ).
tcf(c_838,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(implies(X0,X1),X1))
| ~ is_a_theorem(X0) ),
inference(superposition,[status(thm)],[c_205,c_285]) ).
tcf(c_1158,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(X1,X2))
| ~ is_a_theorem(implies(implies(X0,X1),X2)) ),
inference(superposition,[status(thm)],[c_56,c_727]) ).
tcf(c_1161,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(implies(not(X1),not(X0)),X2))
| ~ is_a_theorem(implies(implies(X0,X1),X2)) ),
inference(superposition,[status(thm)],[c_59,c_727]) ).
tcf(c_1166,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(implies(iPr_def_10,not(X0)),X1))
| ~ is_a_theorem(implies(implies(X0,a),X1)) ),
inference(superposition,[status(thm)],[c_224,c_727]) ).
tcf(c_1173,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(iPr_def_11,X1))
| ~ is_a_theorem(implies(implies(implies(b,X0),implies(iPr_def_10,X0)),X1)) ),
inference(superposition,[status(thm)],[c_243,c_727]) ).
tcf(c_1182,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( is_a_theorem(implies(implies(X3,X1),X2))
| ~ is_a_theorem(implies(X0,X3))
| ~ is_a_theorem(implies(implies(X0,X1),X2)) ),
inference(superposition,[status(thm)],[c_252,c_727]) ).
tcf(c_1189,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(implies(X2,X0),X1))
| ~ is_a_theorem(X2)
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_838,c_727]) ).
tcf(c_1498,plain,
! [X0: $i,X1: $i,X2: $i] : is_a_theorem(implies(X0,implies(X1,implies(X2,X0)))),
inference(superposition,[status(thm)],[c_56,c_1158]) ).
tcf(c_1506,plain,
! [X0: $i] : is_a_theorem(implies(iPr_def_12,implies(b,X0))),
inference(superposition,[status(thm)],[c_227,c_1158]) ).
tcf(c_1523,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(X1,X1))
| ~ is_a_theorem(X0) ),
inference(superposition,[status(thm)],[c_838,c_1158]) ).
tcf(c_1918,plain,
! [X0: $i] : is_a_theorem(implies(X0,X0)),
inference(superposition,[status(thm)],[c_1498,c_1523]) ).
tcf(c_2998,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(X2)
| ~ is_a_theorem(implies(not(X1),not(X0)))
| ~ is_a_theorem(implies(implies(X0,X1),X2)) ),
inference(superposition,[status(thm)],[c_1161,c_55]) ).
tcf(c_3117,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(X2,implies(X1,X0)))
| ~ is_a_theorem(implies(not(X0),not(X1))) ),
inference(superposition,[status(thm)],[c_56,c_2998]) ).
tcf(c_3479,plain,
! [X0: $i,X1: $i] : is_a_theorem(implies(X0,implies(X1,X1))),
inference(superposition,[status(thm)],[c_1918,c_3117]) ).
tcf(c_3500,plain,
! [X0: $i,X1: $i] : is_a_theorem(implies(implies(implies(X0,X0),X1),X1)),
inference(superposition,[status(thm)],[c_3479,c_285]) ).
tcf(c_6581,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(X1,X0))
| ~ is_a_theorem(X0) ),
inference(superposition,[status(thm)],[c_56,c_55]) ).
tcf(c_6598,plain,
! [X0: $i] : is_a_theorem(implies(implies(not(X0),iPr_def_12),implies(b,X0))),
inference(superposition,[status(thm)],[c_83,c_59]) ).
tcf(c_6607,plain,
! [X0: $i] : is_a_theorem(implies(iPr_def_11,implies(implies(b,X0),implies(iPr_def_10,X0)))),
inference(superposition,[status(thm)],[c_82,c_57]) ).
tcf(c_6614,plain,
! [X0: $i] : is_a_theorem(implies(implies(iPr_def_12,X0),implies(implies(X0,a),iPr_def_13))),
inference(superposition,[status(thm)],[c_84,c_57]) ).
tcf(c_6615,plain,
! [X0: $i] : is_a_theorem(implies(implies(iPr_def_11,X0),implies(implies(X0,iPr_def_13),iPr_def_14))),
inference(superposition,[status(thm)],[c_85,c_57]) ).
tcf(c_6616,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(implies(X1,X2),implies(X0,X2)))
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_57,c_55]) ).
tcf(c_6658,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(implies(X1,X0),X0))
| ~ is_a_theorem(implies(implies(X0,X1),X1)) ),
inference(superposition,[status(thm)],[c_58,c_55]) ).
tcf(c_6815,plain,
! [X0: $i] :
( is_a_theorem(implies(implies(X0,a),iPr_def_13))
| ~ is_a_theorem(implies(iPr_def_12,X0)) ),
inference(superposition,[status(thm)],[c_6614,c_55]) ).
tcf(c_6820,plain,
! [X0: $i] :
( is_a_theorem(implies(implies(X0,iPr_def_13),iPr_def_14))
| ~ is_a_theorem(implies(iPr_def_11,X0)) ),
inference(superposition,[status(thm)],[c_6615,c_55]) ).
tcf(c_7089,plain,
! [X0: $i] :
( is_a_theorem(iPr_def_14)
| ~ is_a_theorem(implies(iPr_def_11,X0))
| ~ is_a_theorem(implies(X0,iPr_def_13)) ),
inference(superposition,[status(thm)],[c_6820,c_55]) ).
tcf(c_7090,plain,
! [X0: $i] :
( ~ is_a_theorem(implies(iPr_def_11,X0))
| ~ is_a_theorem(implies(X0,iPr_def_13)) ),
inference(forward_subsumption_resolution,[status(thm)],[c_7089,c_86]) ).
tcf(c_7332,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(X0,X2))
| ~ is_a_theorem(implies(X1,X2))
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_6616,c_55]) ).
tcf(c_7341,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(implies(X0,X1),X1))
| ~ is_a_theorem(X0) ),
inference(superposition,[status(thm)],[c_6581,c_6658]) ).
tcf(c_7362,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(X1,X2))
| ~ is_a_theorem(implies(implies(X0,X1),X2)) ),
inference(superposition,[status(thm)],[c_56,c_7332]) ).
tcf(c_7378,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(iPr_def_11,X1))
| ~ is_a_theorem(implies(implies(implies(b,X0),implies(iPr_def_10,X0)),X1)) ),
inference(superposition,[status(thm)],[c_6607,c_7332]) ).
tcf(c_7703,plain,
! [X0: $i] : is_a_theorem(implies(iPr_def_12,implies(b,X0))),
inference(superposition,[status(thm)],[c_6598,c_7362]) ).
tcf(c_9129,plain,
! [X0: $i,X1: $i] : is_a_theorem(implies(iPr_def_11,implies(implies(implies(iPr_def_10,X0),X1),implies(implies(b,X0),X1)))),
inference(superposition,[status(thm)],[c_57,c_1173]) ).
tcf(c_9268,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(implies(implies(iPr_def_10,X0),X1),implies(implies(b,X0),X1)))
| ~ is_a_theorem(iPr_def_11) ),
inference(superposition,[status(thm)],[c_9129,c_55]) ).
tcf(c_13759,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( is_a_theorem(implies(implies(X1,X2),implies(X3,implies(X0,X2))))
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_56,c_1182]) ).
tcf(c_17801,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(implies(implies(X0,a),implies(X1,iPr_def_13)))
| ~ is_a_theorem(implies(iPr_def_12,X0)) ),
inference(superposition,[status(thm)],[c_84,c_13759]) ).
tcf(c_18425,plain,
! [X0: $i] :
( is_a_theorem(implies(implies(X0,a),iPr_def_14))
| ~ is_a_theorem(implies(iPr_def_12,X0)) ),
inference(superposition,[status(thm)],[c_85,c_17801]) ).
tcf(c_19170,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(X1)
| ~ is_a_theorem(X2)
| ~ is_a_theorem(implies(X2,X0))
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_1189,c_55]) ).
tcf(c_21728,plain,
! [X0: $i,X1: $i] : is_a_theorem(implies(iPr_def_11,implies(implies(implies(iPr_def_10,X0),X1),implies(implies(b,X0),X1)))),
inference(superposition,[status(thm)],[c_57,c_7378]) ).
tcf(c_22167,plain,
! [X0: $i,X1: $i] :
( is_a_theorem(iPr_def_14)
| ~ is_a_theorem(X0)
| ~ is_a_theorem(implies(iPr_def_12,X1))
| ~ is_a_theorem(implies(X0,implies(X1,a))) ),
inference(superposition,[status(thm)],[c_18425,c_19170]) ).
tcf(c_22446,plain,
! [X0: $i,X1: $i] :
( ~ is_a_theorem(X0)
| ~ is_a_theorem(implies(iPr_def_12,X1))
| ~ is_a_theorem(implies(X0,implies(X1,a))) ),
inference(forward_subsumption_resolution,[status(thm)],[c_22167,c_86]) ).
tcf(c_24638,plain,
! [X0: $i] :
( ~ is_a_theorem(iPr_def_11)
| ~ is_a_theorem(implies(iPr_def_12,implies(b,X0)))
| ~ is_a_theorem(implies(implies(iPr_def_10,X0),a)) ),
inference(superposition,[status(thm)],[c_9268,c_22446]) ).
tcf(c_24717,plain,
! [X0: $i] :
( ~ is_a_theorem(iPr_def_11)
| ~ is_a_theorem(implies(implies(iPr_def_10,X0),a)) ),
inference(forward_subsumption_resolution,[status(thm)],[c_24638,c_1506]) ).
tcf(c_43100,plain,
! [X0: $i,X1: $i,X2: $i] :
( is_a_theorem(implies(implies(X2,X0),X1))
| ~ is_a_theorem(X2)
| ~ is_a_theorem(implies(X0,X1)) ),
inference(superposition,[status(thm)],[c_7341,c_7332]) ).
tcf(c_66249,plain,
! [X0: $i,X1: $i] : ~ is_a_theorem(implies(implies(implies(implies(iPr_def_10,X0),X1),implies(implies(b,X0),X1)),iPr_def_13)),
inference(superposition,[status(thm)],[c_21728,c_7090]) ).
tcf(c_69961,plain,
! [X0: $i,X1: $i] :
( ~ is_a_theorem(implies(implies(iPr_def_10,X0),X1))
| ~ is_a_theorem(implies(implies(implies(b,X0),X1),iPr_def_13)) ),
inference(superposition,[status(thm)],[c_43100,c_66249]) ).
tcf(c_69974,plain,
! [X0: $i] :
( ~ is_a_theorem(implies(iPr_def_12,implies(b,X0)))
| ~ is_a_theorem(implies(implies(iPr_def_10,X0),a)) ),
inference(superposition,[status(thm)],[c_6815,c_69961]) ).
tcf(c_69984,plain,
! [X0: $i] : ~ is_a_theorem(implies(implies(iPr_def_10,X0),a)),
inference(forward_subsumption_resolution,[status(thm)],[c_69974,c_7703]) ).
tcf(c_83074,plain,
! [X0: $i] : ~ is_a_theorem(implies(implies(iPr_def_10,X0),a)),
inference(global_subsumption_just,[status(thm)],[c_24717,c_69984]) ).
tcf(c_83081,plain,
! [X0: $i] : ~ is_a_theorem(implies(implies(X0,a),a)),
inference(superposition,[status(thm)],[c_1166,c_83074]) ).
tcf(c_83323,plain,
$false,
inference(superposition,[status(thm)],[c_3500,c_83081]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL113-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.37 % Computer : n015.cluster.edu
% 0.12/0.37 % Model : x86_64 x86_64
% 0.12/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.37 % Memory : 8046.5625MB
% 0.12/0.37 % OS : Linux 6.8.0-71-generic
% 0.12/0.37 % CPULimit : 300
% 0.12/0.37 % WCLimit : 300
% 0.12/0.37 % DateTime : Wed Sep 23 22:01:55 UTC 2026
% 0.12/0.37 % CPUTime :
% 0.12/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.41 Running first-order theorem proving
% 0.12/0.41 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.42
% 0.12/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.42
% 0.12/0.42 % Detected problem language: tptp
% 0.12/0.44 % Proving...
% 26.89/5.88 % SZS status Started for theBenchmark.p
% 26.89/5.88 % SZS status Unsatisfiable for theBenchmark.p
% 26.89/5.88
% 26.89/5.88 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 26.89/5.88
% 26.89/5.88 % ------ iProver source info
% 26.89/5.88
% 26.89/5.88 % git: date: 2026-07-19 20:42:38 +0200
% 26.89/5.88 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 26.89/5.88 % git: non_committed_changes: false
% 26.89/5.88
% 26.89/5.88 % ------ Parsing...% successful
% 26.89/5.88
% 26.89/5.88
% 26.89/5.88 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 26.89/5.88
% 26.89/5.88 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe_e %
% 26.89/5.88
% 26.89/5.88 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 26.89/5.88
% 26.89/5.88 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 26.89/5.88 % ------ Proving...
% 26.89/5.88 % ------ Problem Properties
% 26.89/5.88
% 26.89/5.88 %
% 26.89/5.88 % clauses 11
% 26.89/5.88 % conjectures 1
% 26.89/5.88 % EPR 1
% 26.89/5.88 % Horn 11
% 26.89/5.88 % unary 10
% 26.89/5.88 % binary 0
% 26.89/5.88 % lits 13
% 26.89/5.88 % lits eq 5
% 26.89/5.88 % fd_pure 0
% 26.89/5.88 % fd_pseudo 0
% 26.89/5.88 % fd_cond 0
% 26.89/5.88 % fd_pseudo_cond 0
% 26.89/5.88 % AC symbols 0
% 26.89/5.88
% 26.89/5.88 % ------ Schedule dynamic 5 is on
% 26.89/5.88
% 26.89/5.88 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 26.89/5.88
% 26.89/5.88
% 26.89/5.88 % ------
% 26.89/5.88 % Current options:
% 26.89/5.88 % ------
% 26.89/5.88
% 26.89/5.88
% 26.89/5.88 %
% 26.89/5.88
% 26.89/5.88 % ------ Proving...
% 26.89/5.88 %
% 26.89/5.88
% 26.89/5.88 % SZS status Unsatisfiable for theBenchmark.p
% 26.89/5.88
% 26.89/5.88 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 26.89/5.88
% 26.89/5.88
%------------------------------------------------------------------------------