%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SEU284+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n019.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 02:56:29 PM UTC 2026
% Result : Theorem 3.27s 16.30s
% Output : CNFRefutation 3.27s
% Verified :
% SZS Type : Refutation
% Derivation depth : 34
% Number of leaves : 3
% Syntax : Number of formulae : 72 ( 8 unt; 1 def)
% Number of atoms : 248 ( 113 equ)
% Maximal formula atoms : 11 ( 3 avg)
% Number of connectives : 274 ( 98 ~; 111 |; 57 &)
% ( 0 <=>; 8 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 5 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 6 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 1 con; 0-2 aty)
% Number of variables : 106 ( 0 sgn 80 !; 26 ?; 22 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,conjecture,
! [X0] :
? [X1] :
( ! [X2] :
( in(X2,X0)
=> apply(X1,X2) = singleton(X2) )
& relation_dom(X1) = X0
& function(X1)
& relation(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s3_funct_1__e16_22__wellord2) ).
fof(f2,negated_conjecture,
~ ! [X0] :
? [X1] :
( ! [X2] :
( in(X2,X0)
=> apply(X1,X2) = singleton(X2) )
& relation_dom(X1) = X0
& function(X1)
& relation(X1) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
fof(f8,axiom,
! [X0] :
( ( ! [X1] :
~ ( ! [X2] : X2 != singleton(X1)
& in(X1,X0) )
& ! [X1,X2,X3] :
( ( X3 = singleton(X1)
& X2 = singleton(X1)
& in(X1,X0) )
=> X2 = X3 ) )
=> ? [X1] :
( ! [X2] :
( in(X2,X0)
=> apply(X1,X2) = singleton(X2) )
& relation_dom(X1) = X0
& function(X1)
& relation(X1) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s2_funct_1__e16_22__wellord2__1) ).
fof(f29,plain,
! [X0] :
( ( ! [X4] :
~ ( ! [X5] : singleton(X4) != X5
& in(X4,X0) )
& ! [X1,X2,X3] :
( ( X3 = singleton(X1)
& X2 = singleton(X1)
& in(X1,X0) )
=> X2 = X3 ) )
=> ? [X6] :
( ! [X7] :
( in(X7,X0)
=> apply(X6,X7) = singleton(X7) )
& relation_dom(X6) = X0
& function(X6)
& relation(X6) ) ),
inference(rectify,[],[f8]) ).
fof(f32,plain,
? [X0] :
! [X1] :
( ? [X2] :
( in(X2,X0)
& apply(X1,X2) != singleton(X2) )
| relation_dom(X1) != X0
| ~ function(X1)
| ~ relation(X1) ),
inference(ennf_transformation,[],[f2]) ).
fof(f34,plain,
! [X0] :
( ? [X4] :
( ! [X5] : singleton(X4) != X5
& in(X4,X0) )
| ? [X1,X2,X3] :
( X3 = singleton(X1)
& X2 = singleton(X1)
& in(X1,X0)
& X2 != X3 )
| ? [X6] :
( ! [X7] :
( ~ in(X7,X0)
| apply(X6,X7) = singleton(X7) )
& relation_dom(X6) = X0
& function(X6)
& relation(X6) ) ),
inference(ennf_transformation,[],[f29]) ).
fof(f35,plain,
! [X0] :
( ? [X4] :
( ! [X5] : singleton(X4) != X5
& in(X4,X0) )
| ? [X1,X2,X3] :
( X3 = singleton(X1)
& X2 = singleton(X1)
& in(X1,X0)
& X2 != X3 )
| ? [X6] :
( ! [X7] :
( ~ in(X7,X0)
| apply(X6,X7) = singleton(X7) )
& relation_dom(X6) = X0
& function(X6)
& relation(X6) ) ),
inference(flattening,[],[f34]) ).
fof(f49,plain,
! [X1] :
( ( in(sK2(X1),sK1)
& apply(X1,sK2(X1)) != singleton(sK2(X1)) )
| relation_dom(X1) != sK1
| ~ function(X1)
| ~ relation(X1) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK1,sK2]),skolemize(X0,sK1),skolemize(X2,sK2(X1))],[f32]) ).
fof(f53,plain,
! [X0] :
( ? [X3] :
( ! [X4] : singleton(X3) != X4
& in(X3,X0) )
| sP0(X0)
| ? [X1] :
( ! [X2] :
( ~ in(X2,X0)
| apply(X1,X2) = singleton(X2) )
& relation_dom(X1) = X0
& function(X1)
& relation(X1) ) ),
inference(rectify,[],[f48]) ).
fof(f54,plain,
! [X0] :
( ( ! [X4] : singleton(sK8(X0)) != X4
& in(sK8(X0),X0) )
| sP0(X0)
| ( ! [X2] :
( ~ in(X2,X0)
| singleton(X2) = apply(sK7(X0),X2) )
& relation_dom(sK7(X0)) = X0
& function(sK7(X0))
& relation(sK7(X0)) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK7,sK8]),skolemize(X1,sK7(X0)),skolemize(X3,sK8(X0))],[f53]) ).
fof(f61,plain,
! [X1] :
( in(sK2(X1),sK1)
| relation_dom(X1) != sK1
| ~ function(X1)
| ~ relation(X1) ),
inference(cnf_transformation,[],[f49]) ).
fof(f62,plain,
! [X1] :
( apply(X1,sK2(X1)) != singleton(sK2(X1))
| relation_dom(X1) != sK1
| ~ function(X1)
| ~ relation(X1) ),
inference(cnf_transformation,[],[f49]) ).
fof(f70,plain,
! [X2,X0,X4] :
( singleton(sK8(X0)) != X4
| sP0(X0)
| ~ in(X2,X0)
| singleton(X2) = apply(sK7(X0),X2) ),
inference(cnf_transformation,[],[f54]) ).
fof(f72,plain,
! [X0,X4] :
( singleton(sK8(X0)) != X4
| sP0(X0)
| relation_dom(sK7(X0)) = X0 ),
inference(cnf_transformation,[],[f54]) ).
fof(f73,plain,
! [X0] :
( in(sK8(X0),X0)
| sP0(X0)
| relation_dom(sK7(X0)) = X0 ),
inference(cnf_transformation,[],[f54]) ).
fof(f74,plain,
! [X0,X4] :
( singleton(sK8(X0)) != X4
| sP0(X0)
| function(sK7(X0)) ),
inference(cnf_transformation,[],[f54]) ).
fof(f76,plain,
! [X0,X4] :
( singleton(sK8(X0)) != X4
| sP0(X0)
| relation(sK7(X0)) ),
inference(cnf_transformation,[],[f54]) ).
fof(f101,plain,
! [X0] :
( sP0(X0)
| relation(sK7(X0)) ),
inference(equality_resolution,[],[f76]) ).
fof(f102,plain,
! [X0] :
( sP0(X0)
| function(sK7(X0)) ),
inference(equality_resolution,[],[f74]) ).
fof(f103,plain,
! [X0] :
( sP0(X0)
| relation_dom(sK7(X0)) = X0 ),
inference(equality_resolution,[],[f72]) ).
fof(f104,plain,
! [X2,X0] :
( sP0(X0)
| ~ in(X2,X0)
| singleton(X2) = apply(sK7(X0),X2) ),
inference(equality_resolution,[],[f70]) ).
tcf(c_49,negated_conjecture,
! [X0: $i] :
( ~ function(X0)
| ~ relation(X0)
| ( relation_dom(X0) != sK1 )
| ( apply(X0,sK2(X0)) != singleton(sK2(X0)) ) ),
inference(cnf_transformation,[],[f62]) ).
tcf(c_50,negated_conjecture,
! [X0: $i] :
( in(sK2(X0),sK1)
| ~ function(X0)
| ~ relation(X0)
| ( relation_dom(X0) != sK1 ) ),
inference(cnf_transformation,[],[f61]) ).
tcf(c_59,plain,
! [X0: $i] :
( sP0(X0)
| relation(sK7(X0)) ),
inference(cnf_transformation,[],[f101]) ).
tcf(c_61,plain,
! [X0: $i] :
( sP0(X0)
| function(sK7(X0)) ),
inference(cnf_transformation,[],[f102]) ).
tcf(c_62,plain,
! [X0: $i] :
( sP0(X0)
| in(sK8(X0),X0)
| ( relation_dom(sK7(X0)) = X0 ) ),
inference(cnf_transformation,[],[f73]) ).
tcf(c_63,plain,
! [X0: $i] :
( sP0(X0)
| ( relation_dom(sK7(X0)) = X0 ) ),
inference(cnf_transformation,[],[f103]) ).
tcf(c_65,plain,
! [X0: $i,X1: $i] :
( sP0(X1)
| ( apply(sK7(X1),X0) = singleton(X0) )
| ~ in(X0,X1) ),
inference(cnf_transformation,[],[f104]) ).
tcf(c_110,plain,
! [X0: $i] :
( sP0(X0)
| ( relation_dom(sK7(X0)) = X0 ) ),
inference(global_subsumption_just,[status(thm)],[c_62,c_63]) ).
tcf(c_1694,negated_conjecture,
! [X0: $i] :
( in(sK2(X0),sK1)
| ~ function(X0)
| ~ relation(X0)
| ( relation_dom(X0) != sK1 ) ),
inference(demodulation,[status(thm)],[c_50]) ).
tcf(c_1695,negated_conjecture,
! [X0: $i] :
( ~ function(X0)
| ~ relation(X0)
| ( relation_dom(X0) != sK1 )
| ( apply(X0,sK2(X0)) != singleton(sK2(X0)) ) ),
inference(demodulation,[status(thm)],[c_49]) ).
fof(f47,definition,
! [X0] :
( ~ sP0(X0)
| ? [X1,X2,X3] :
( X3 = singleton(X1)
& X2 = singleton(X1)
& in(X1,X0)
& X2 != X3 ) ),
introduced(definition,[new_symbols(definition,[sP0])],[predicate_definition_introduction]) ).
fof(f48,plain,
! [X0] :
( ? [X4] :
( ! [X5] : singleton(X4) != X5
& in(X4,X0) )
| sP0(X0)
| ? [X6] :
( ! [X7] :
( ~ in(X7,X0)
| apply(X6,X7) = singleton(X7) )
& relation_dom(X6) = X0
& function(X6)
& relation(X6) ) ),
inference(definition_folding,[],[f35,f47]) ).
fof(f51,plain,
! [X0] :
( ~ sP0(X0)
| ? [X1,X2,X3] :
( X3 = singleton(X1)
& X2 = singleton(X1)
& in(X1,X0)
& X2 != X3 ) ),
inference(nnf_transformation,[],[f47]) ).
fof(f52,plain,
! [X0] :
( ~ sP0(X0)
| ( sK6(X0) = singleton(sK4(X0))
& sK5(X0) = singleton(sK4(X0))
& in(sK4(X0),X0)
& sK5(X0) != sK6(X0) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK4,sK5,sK6]),skolemize(X1,sK4(X0)),skolemize(X2,sK5(X0)),skolemize(X3,sK6(X0))],[f51]) ).
fof(f66,plain,
! [X0] :
( ~ sP0(X0)
| sK6(X0) = singleton(sK4(X0)) ),
inference(cnf_transformation,[],[f52]) ).
fof(f67,plain,
! [X0] :
( ~ sP0(X0)
| sK5(X0) = singleton(sK4(X0)) ),
inference(cnf_transformation,[],[f52]) ).
fof(f69,plain,
! [X0] :
( ~ sP0(X0)
| sK5(X0) != sK6(X0) ),
inference(cnf_transformation,[],[f52]) ).
tcf(c_54,plain,
! [X0: $i] :
( ~ sP0(X0)
| ( sK5(X0) != sK6(X0) ) ),
inference(cnf_transformation,[],[f69]) ).
tcf(c_56,plain,
! [X0: $i] :
( ( singleton(sK4(X0)) = sK5(X0) )
| ~ sP0(X0) ),
inference(cnf_transformation,[],[f67]) ).
tcf(c_57,plain,
! [X0: $i] :
( ( singleton(sK4(X0)) = sK6(X0) )
| ~ sP0(X0) ),
inference(cnf_transformation,[],[f66]) ).
tcf(c_482,plain,
! [X0: $i,X1: $i] :
( ( relation_dom(sK7(X1)) = X1 )
| ( X0 != X1 )
| ( sK5(X0) != sK6(X0) ) ),
inference(resolution_lifted,[status(thm)],[c_110,c_54]) ).
tcf(c_483,plain,
! [X0: $i] :
( ( relation_dom(sK7(X0)) = X0 )
| ( sK5(X0) != sK6(X0) ) ),
inference(unflattening,[status(thm)],[c_482]) ).
tcf(c_2216,plain,
! [X0: $i] :
( ( singleton(sK4(X0)) = sK5(X0) )
| ( relation_dom(sK7(X0)) = X0 ) ),
inference(superposition,[status(thm)],[c_63,c_56]) ).
tcf(c_2227,plain,
! [X0: $i] :
( ( singleton(sK4(X0)) = sK6(X0) )
| ( relation_dom(sK7(X0)) = X0 ) ),
inference(superposition,[status(thm)],[c_63,c_57]) ).
tcf(c_2354,plain,
! [X0: $i] :
( ( sK5(X0) = sK6(X0) )
| ( relation_dom(sK7(X0)) = X0 ) ),
inference(superposition,[status(thm)],[c_2216,c_2227]) ).
tcf(c_2381,plain,
! [X0: $i] : relation_dom(sK7(X0)) = X0,
inference(global_subsumption_just,[status(thm)],[c_2354,c_483,c_2354]) ).
tcf(c_2391,plain,
! [X0: $i] :
( in(sK2(sK7(X0)),sK1)
| ~ function(sK7(X0))
| ~ relation(sK7(X0))
| ( X0 != sK1 ) ),
inference(superposition,[status(thm)],[c_2381,c_1694]) ).
tcf(c_2429,plain,
( in(sK2(sK7(sK1)),sK1)
| ~ function(sK7(sK1))
| ~ relation(sK7(sK1)) ),
inference(equality_resolution,[status(thm)],[c_2391]) ).
tcf(c_2439,plain,
( sP0(sK1)
| ( apply(sK7(sK1),sK2(sK7(sK1))) = singleton(sK2(sK7(sK1))) )
| ~ function(sK7(sK1))
| ~ relation(sK7(sK1)) ),
inference(superposition,[status(thm)],[c_2429,c_65]) ).
tcf(c_2472,plain,
( sP0(sK1)
| ( apply(sK7(sK1),sK2(sK7(sK1))) = singleton(sK2(sK7(sK1))) ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_2439,c_61,c_59]) ).
tcf(c_2479,plain,
( ( singleton(sK4(sK1)) = sK6(sK1) )
| ( apply(sK7(sK1),sK2(sK7(sK1))) = singleton(sK2(sK7(sK1))) ) ),
inference(superposition,[status(thm)],[c_2472,c_57]) ).
tcf(c_2480,plain,
( ( singleton(sK4(sK1)) = sK5(sK1) )
| ( apply(sK7(sK1),sK2(sK7(sK1))) = singleton(sK2(sK7(sK1))) ) ),
inference(superposition,[status(thm)],[c_2472,c_56]) ).
tcf(c_2496,plain,
( ( singleton(sK4(sK1)) = sK6(sK1) )
| ~ function(sK7(sK1))
| ~ relation(sK7(sK1))
| ( relation_dom(sK7(sK1)) != sK1 ) ),
inference(superposition,[status(thm)],[c_2479,c_1695]) ).
tcf(c_2497,plain,
( ( singleton(sK4(sK1)) = sK6(sK1) )
| ~ function(sK7(sK1))
| ~ relation(sK7(sK1)) ),
inference(ground_joinability,[status(thm)],[c_2496,c_2381]) ).
tcf(c_2505,plain,
( ( singleton(sK4(sK1)) = sK5(sK1) )
| ~ function(sK7(sK1))
| ~ relation(sK7(sK1))
| ( relation_dom(sK7(sK1)) != sK1 ) ),
inference(superposition,[status(thm)],[c_2480,c_1695]) ).
tcf(c_2506,plain,
( ( singleton(sK4(sK1)) = sK5(sK1) )
| ~ function(sK7(sK1))
| ~ relation(sK7(sK1)) ),
inference(ground_joinability,[status(thm)],[c_2505,c_2381]) ).
tcf(c_2653,plain,
( sP0(sK1)
| ( singleton(sK4(sK1)) = sK6(sK1) )
| ~ relation(sK7(sK1)) ),
inference(superposition,[status(thm)],[c_61,c_2497]) ).
tcf(c_2664,plain,
( sP0(sK1)
| ( singleton(sK4(sK1)) = sK5(sK1) )
| ~ relation(sK7(sK1)) ),
inference(superposition,[status(thm)],[c_61,c_2506]) ).
tcf(c_2671,plain,
singleton(sK4(sK1)) = sK6(sK1),
inference(forward_subsumption_resolution,[status(thm)],[c_2653,c_57,c_59]) ).
tcf(c_2681,plain,
( sP0(sK1)
| ( sK5(sK1) = sK6(sK1) )
| ~ relation(sK7(sK1)) ),
inference(light_normalisation,[status(thm)],[c_2664,c_2671]) ).
tcf(c_2685,plain,
( sP0(sK1)
| ( sK5(sK1) = sK6(sK1) ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_2681,c_59]) ).
tcf(c_2693,plain,
( ( sK5(sK1) = sK6(sK1) )
| ( singleton(sK4(sK1)) = sK5(sK1) ) ),
inference(superposition,[status(thm)],[c_2685,c_56]) ).
tcf(c_2695,plain,
sK5(sK1) = sK6(sK1),
inference(light_normalisation,[status(thm)],[c_2693,c_2671]) ).
tcf(c_2699,plain,
~ sP0(sK1),
inference(superposition,[status(thm)],[c_2695,c_54]) ).
tcf(c_2700,plain,
apply(sK7(sK1),sK2(sK7(sK1))) = singleton(sK2(sK7(sK1))),
inference(backward_subsumption_resolution,[status(thm)],[c_2472,c_2699]) ).
tcf(c_2701,plain,
( ~ function(sK7(sK1))
| ~ relation(sK7(sK1))
| ( relation_dom(sK7(sK1)) != sK1 ) ),
inference(superposition,[status(thm)],[c_2700,c_1695]) ).
tcf(c_2702,plain,
( ~ function(sK7(sK1))
| ~ relation(sK7(sK1)) ),
inference(ground_joinability,[status(thm)],[c_2701,c_2381]) ).
tcf(c_2750,plain,
( sP0(sK1)
| ~ function(sK7(sK1)) ),
inference(superposition,[status(thm)],[c_59,c_2702]) ).
tcf(c_2751,plain,
~ function(sK7(sK1)),
inference(forward_subsumption_resolution,[status(thm)],[c_2750,c_2699]) ).
tcf(c_2753,plain,
sP0(sK1),
inference(superposition,[status(thm)],[c_61,c_2751]) ).
tcf(c_2754,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_2753,c_2699]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SEU284+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.03 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/15.39 % Computer : n019.cluster.edu
% 0.09/15.39 % Model : x86_64 x86_64
% 0.09/15.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/15.39 % Memory : 8046.5625MB
% 0.09/15.39 % OS : Linux 6.8.0-71-generic
% 0.09/15.39 % CPULimit : 300
% 0.09/15.39 % WCLimit : 300
% 0.09/15.39 % DateTime : Thu Sep 24 13:32:21 UTC 2026
% 0.09/15.40 % CPUTime :
% 0.09/15.40 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.14/15.43 Running first-order theorem proving
% 0.14/15.43 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
% 0.14/15.44
% 0.14/15.44 % ======== iProver multi-core TPTP/SMT =========
% 0.14/15.44
% 0.14/15.44 % Detected problem language: tptp
% 0.14/15.45 % Proving...
% 3.27/16.30 % SZS status Started for theBenchmark.p
% 3.27/16.30 % SZS status Theorem for theBenchmark.p
% 3.27/16.30
% 3.27/16.30 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.27/16.30
% 3.27/16.30 % ------ iProver source info
% 3.27/16.30
% 3.27/16.30 % git: date: 2026-07-19 20:42:38 +0200
% 3.27/16.30 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.27/16.30 % git: non_committed_changes: false
% 3.27/16.30
% 3.27/16.30 % ------ Parsing...
% 3.27/16.30 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.27/16.30
% 3.27/16.30 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e sup_sim: 0 sf_s rm: 2 0s sf_e pe_s pe_e %
% 3.27/16.30
% 3.27/16.30 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.27/16.30
% 3.27/16.30 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.27/16.30 % ------ Proving...
% 3.27/16.30 % ------ Problem Properties
% 3.27/16.30
% 3.27/16.30 %
% 3.27/16.30 % clauses 31
% 3.27/16.30 % conjectures 2
% 3.27/16.30 % EPR 17
% 3.27/16.30 % Horn 26
% 3.27/16.30 % unary 11
% 3.27/16.30 % binary 15
% 3.27/16.30 % lits 58
% 3.27/16.30 % lits eq 10
% 3.27/16.30 % fd_pure 0
% 3.27/16.30 % fd_pseudo 0
% 3.27/16.30 % fd_cond 1
% 3.27/16.30 % fd_pseudo_cond 1
% 3.27/16.30 % AC symbols 0
% 3.27/16.30
% 3.27/16.30 % ------ Schedule dynamic 5 is on
% 3.27/16.30
% 3.27/16.30 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.27/16.30
% 3.27/16.30
% 3.27/16.30 % ------
% 3.27/16.30 % Current options:
% 3.27/16.30 % ------
% 3.27/16.30
% 3.27/16.30
% 3.27/16.30 %
% 3.27/16.30
% 3.27/16.30 % ------ Proving...
% 3.27/16.30 %
% 3.27/16.30
% 3.27/16.30 % SZS status Theorem for theBenchmark.p
% 3.27/16.30
% 3.27/16.30 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.27/16.31
% 3.27/16.31
%------------------------------------------------------------------------------