%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SYN013-1 : 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 : n026.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 03:38:52 PM UTC 2026
% Result : Unsatisfiable 1.88s 1.29s
% Output : CNFRefutation 1.88s
% Verified :
% SZS Type : Refutation
% Derivation depth : 35
% Number of leaves : 15
% Syntax : Number of formulae : 98 ( 19 unt; 0 def)
% Number of atoms : 312 ( 187 equ)
% Maximal formula atoms : 8 ( 3 avg)
% Number of connectives : 301 ( 87 ~; 214 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-1 aty)
% Number of variables : 52 ( 0 sgn 52 !; 0 ?; 24 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
m != n,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_1) ).
fof(f2,negated_conjecture,
n != k,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_2) ).
fof(f3,negated_conjecture,
k != m,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_3) ).
fof(f4,plain,
m != k,
inference(reorient_equations,[],[f3]) ).
fof(f5,negated_conjecture,
! [X0] :
( f(X0) != m
| ~ element(X0,m)
| X0 = m ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_4) ).
fof(f6,plain,
! [X0] :
( m != f(X0)
| ~ element(X0,m)
| m = X0 ),
inference(reorient_equations,[],[f5]) ).
fof(f7,negated_conjecture,
! [X0] :
( f(X0) != X0
| ~ element(X0,m)
| X0 = m ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_5) ).
fof(f8,plain,
! [X0] :
( f(X0) != X0
| ~ element(X0,m)
| m = X0 ),
inference(reorient_equations,[],[f7]) ).
fof(f9,negated_conjecture,
! [X0] :
( element(X0,f(X0))
| ~ element(X0,m)
| X0 = m ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_6) ).
fof(f10,plain,
! [X0] :
( element(X0,f(X0))
| ~ element(X0,m)
| m = X0 ),
inference(reorient_equations,[],[f9]) ).
fof(f11,negated_conjecture,
! [X0] :
( element(f(X0),X0)
| ~ element(X0,m)
| X0 = m ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_7) ).
fof(f12,plain,
! [X0] :
( element(f(X0),X0)
| ~ element(X0,m)
| m = X0 ),
inference(reorient_equations,[],[f11]) ).
fof(f13,negated_conjecture,
! [X0,X1] :
( ~ element(X1,X0)
| ~ element(X0,X1)
| X1 = X0
| X1 = m
| element(X0,m)
| X0 = m ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_8) ).
fof(f14,plain,
! [X0,X1] :
( ~ element(X1,X0)
| ~ element(X0,X1)
| X0 = X1
| m = X1
| element(X0,m)
| m = X0 ),
inference(reorient_equations,[],[f13]) ).
fof(f17,negated_conjecture,
! [X0] :
( g(X0) != X0
| element(X0,n)
| X0 = n ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_10) ).
fof(f18,plain,
! [X0] :
( g(X0) != X0
| element(X0,n)
| n = X0 ),
inference(reorient_equations,[],[f17]) ).
fof(f19,negated_conjecture,
! [X0] :
( element(X0,g(X0))
| element(X0,n)
| X0 = n ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_11) ).
fof(f20,plain,
! [X0] :
( element(X0,g(X0))
| element(X0,n)
| n = X0 ),
inference(reorient_equations,[],[f19]) ).
fof(f21,negated_conjecture,
! [X0] :
( element(g(X0),X0)
| element(X0,n)
| X0 = n ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_12) ).
fof(f22,plain,
! [X0] :
( element(g(X0),X0)
| element(X0,n)
| n = X0 ),
inference(reorient_equations,[],[f21]) ).
fof(f23,negated_conjecture,
! [X0,X1] :
( ~ element(X1,X0)
| ~ element(X0,X1)
| X1 = X0
| X1 = n
| ~ element(X0,n)
| X0 = n ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_13) ).
fof(f24,plain,
! [X0,X1] :
( ~ element(X1,X0)
| ~ element(X0,X1)
| X0 = X1
| n = X1
| ~ element(X0,n)
| n = X0 ),
inference(reorient_equations,[],[f23]) ).
fof(f25,negated_conjecture,
! [X0] :
( element(X0,k)
| X0 != m
| X0 = k ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_14) ).
fof(f26,plain,
! [X0] :
( element(X0,k)
| m != X0
| k = X0 ),
inference(reorient_equations,[],[f25]) ).
fof(f27,negated_conjecture,
! [X0] :
( element(X0,k)
| X0 != n
| X0 = k ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_15) ).
fof(f28,plain,
! [X0] :
( element(X0,k)
| n != X0
| k = X0 ),
inference(reorient_equations,[],[f27]) ).
fof(f29,negated_conjecture,
! [X0] :
( ~ element(X0,k)
| X0 = n
| X0 = m
| X0 = k ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_16) ).
fof(f30,plain,
! [X0] :
( ~ element(X0,k)
| n = X0
| m = X0
| k = X0 ),
inference(reorient_equations,[],[f29]) ).
fof(f31,plain,
( element(m,k)
| m = k ),
inference(equality_resolution,[],[f26]) ).
fof(f32,plain,
( element(n,k)
| n = k ),
inference(equality_resolution,[],[f28]) ).
tcf(c_65,negated_conjecture,
m != n,
inference(cnf_transformation,[],[f1]) ).
tcf(c_66,negated_conjecture,
n != k,
inference(cnf_transformation,[],[f2]) ).
tcf(c_67,negated_conjecture,
m != k,
inference(cnf_transformation,[],[f4]) ).
tcf(c_68,negated_conjecture,
! [X0: $i] :
( ( X0 = m )
| ~ element(X0,m)
| ( f(X0) != m ) ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_69,negated_conjecture,
! [X0: $i] :
( ( X0 = m )
| ~ element(X0,m)
| ( f(X0) != X0 ) ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_70,negated_conjecture,
! [X0: $i] :
( element(X0,f(X0))
| ( X0 = m )
| ~ element(X0,m) ),
inference(cnf_transformation,[],[f10]) ).
tcf(c_71,negated_conjecture,
! [X0: $i] :
( element(f(X0),X0)
| ( X0 = m )
| ~ element(X0,m) ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_72,negated_conjecture,
! [X0: $i,X1: $i] :
( element(X0,m)
| ( X1 = m )
| ( X0 = m )
| ( X0 = X1 )
| ~ element(X1,X0)
| ~ element(X0,X1) ),
inference(cnf_transformation,[],[f14]) ).
tcf(c_74,negated_conjecture,
! [X0: $i] :
( element(X0,n)
| ( X0 = n )
| ( g(X0) != X0 ) ),
inference(cnf_transformation,[],[f18]) ).
tcf(c_75,negated_conjecture,
! [X0: $i] :
( element(X0,n)
| element(X0,g(X0))
| ( X0 = n ) ),
inference(cnf_transformation,[],[f20]) ).
tcf(c_76,negated_conjecture,
! [X0: $i] :
( element(X0,n)
| element(g(X0),X0)
| ( X0 = n ) ),
inference(cnf_transformation,[],[f22]) ).
tcf(c_77,negated_conjecture,
! [X0: $i,X1: $i] :
( ( X1 = n )
| ( X0 = n )
| ( X0 = X1 )
| ~ element(X0,n)
| ~ element(X1,X0)
| ~ element(X0,X1) ),
inference(cnf_transformation,[],[f24]) ).
tcf(c_78,negated_conjecture,
( element(m,k)
| ( m = k ) ),
inference(cnf_transformation,[],[f31]) ).
tcf(c_79,negated_conjecture,
( element(n,k)
| ( n = k ) ),
inference(cnf_transformation,[],[f32]) ).
tcf(c_80,negated_conjecture,
! [X0: $i] :
( ( X0 = k )
| ( X0 = n )
| ( X0 = m )
| ~ element(X0,k) ),
inference(cnf_transformation,[],[f30]) ).
tcf(c_90,negated_conjecture,
element(n,k),
inference(global_subsumption_just,[status(thm)],[c_79,c_66,c_79]) ).
tcf(c_92,negated_conjecture,
element(m,k),
inference(global_subsumption_just,[status(thm)],[c_78,c_67,c_78]) ).
tcf(c_265,negated_conjecture,
element(m,k),
inference(demodulation,[status(thm)],[c_92]) ).
tcf(c_266,negated_conjecture,
element(n,k),
inference(demodulation,[status(thm)],[c_90]) ).
tcf(c_267,negated_conjecture,
! [X0: $i] :
( ( X0 = k )
| ( X0 = n )
| ( X0 = m )
| ~ element(X0,k) ),
inference(demodulation,[status(thm)],[c_80]) ).
tcf(c_268,negated_conjecture,
! [X0: $i,X1: $i] :
( ( X1 = n )
| ( X0 = n )
| ( X0 = X1 )
| ~ element(X0,n)
| ~ element(X1,X0)
| ~ element(X0,X1) ),
inference(demodulation,[status(thm)],[c_77]) ).
tcf(c_269,negated_conjecture,
! [X0: $i] :
( element(X0,n)
| element(g(X0),X0)
| ( X0 = n ) ),
inference(demodulation,[status(thm)],[c_76]) ).
tcf(c_270,negated_conjecture,
! [X0: $i] :
( element(X0,n)
| element(X0,g(X0))
| ( X0 = n ) ),
inference(demodulation,[status(thm)],[c_75]) ).
tcf(c_271,negated_conjecture,
! [X0: $i] :
( element(X0,n)
| ( X0 = n )
| ( g(X0) != X0 ) ),
inference(demodulation,[status(thm)],[c_74]) ).
tcf(c_273,negated_conjecture,
! [X0: $i,X1: $i] :
( element(X0,m)
| ( X1 = m )
| ( X0 = m )
| ( X0 = X1 )
| ~ element(X1,X0)
| ~ element(X0,X1) ),
inference(demodulation,[status(thm)],[c_72]) ).
tcf(c_274,negated_conjecture,
! [X0: $i] :
( element(f(X0),X0)
| ( X0 = m )
| ~ element(X0,m) ),
inference(demodulation,[status(thm)],[c_71]) ).
tcf(c_275,negated_conjecture,
! [X0: $i] :
( element(X0,f(X0))
| ( X0 = m )
| ~ element(X0,m) ),
inference(demodulation,[status(thm)],[c_70]) ).
tcf(c_276,negated_conjecture,
! [X0: $i] :
( ( X0 = m )
| ~ element(X0,m)
| ( f(X0) != X0 ) ),
inference(demodulation,[status(thm)],[c_69]) ).
tcf(c_277,negated_conjecture,
! [X0: $i] :
( ( X0 = m )
| ~ element(X0,m)
| ( f(X0) != m ) ),
inference(demodulation,[status(thm)],[c_68]) ).
tcf(c_278,negated_conjecture,
m != k,
inference(demodulation,[status(thm)],[c_67]) ).
tcf(c_279,negated_conjecture,
n != k,
inference(demodulation,[status(thm)],[c_66]) ).
tcf(c_280,negated_conjecture,
m != n,
inference(demodulation,[status(thm)],[c_65]) ).
tcf(c_524,plain,
( ( m = k )
| ( f(k) = k )
| ( f(k) = n )
| ( f(k) = m )
| ~ element(k,m) ),
inference(superposition,[status(thm)],[c_274,c_267]) ).
tcf(c_525,plain,
( element(k,n)
| ( n = k )
| ( g(k) = k )
| ( g(k) = n )
| ( g(k) = m ) ),
inference(superposition,[status(thm)],[c_269,c_267]) ).
tcf(c_528,plain,
( element(k,n)
| ( g(k) = k )
| ( g(k) = n )
| ( g(k) = m ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_525,c_279]) ).
tcf(c_533,plain,
( ( f(k) = k )
| ( f(k) = n )
| ( f(k) = m )
| ~ element(k,m) ),
inference(forward_subsumption_resolution,[status(thm)],[c_524,c_278]) ).
tcf(c_602,plain,
( element(k,m)
| ( n = k )
| ( m = k )
| ( m = n )
| ( g(k) = k )
| ( g(k) = n )
| ( g(k) = m )
| ~ element(n,k) ),
inference(superposition,[status(thm)],[c_528,c_273]) ).
tcf(c_626,plain,
( element(k,m)
| ( g(k) = k )
| ( g(k) = n )
| ( g(k) = m ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_602,c_279,c_278,c_280,c_266]) ).
tcf(c_695,plain,
( ( n = k )
| ( m = k )
| ( m = n )
| ( g(k) = k )
| ( g(k) = n )
| ( g(k) = m )
| ~ element(k,n)
| ~ element(m,k) ),
inference(superposition,[status(thm)],[c_626,c_268]) ).
tcf(c_704,plain,
( ( g(k) = k )
| ( g(k) = n )
| ( g(k) = m )
| ~ element(k,n) ),
inference(forward_subsumption_resolution,[status(thm)],[c_695,c_279,c_278,c_280,c_265]) ).
tcf(c_709,plain,
( ( g(k) = k )
| ( g(k) = n )
| ( g(k) = m ) ),
inference(global_subsumption_just,[status(thm)],[c_704,c_528,c_704]) ).
tcf(c_718,plain,
( element(k,n)
| ( n = k )
| ( g(k) = n )
| ( g(k) = m ) ),
inference(superposition,[status(thm)],[c_709,c_271]) ).
tcf(c_721,plain,
( element(k,n)
| ( g(k) = n )
| ( g(k) = m ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_718,c_279]) ).
tcf(c_733,plain,
( element(k,m)
| ( n = k )
| ( m = k )
| ( m = n )
| ( g(k) = n )
| ( g(k) = m )
| ~ element(n,k) ),
inference(superposition,[status(thm)],[c_721,c_273]) ).
tcf(c_738,plain,
( element(k,m)
| ( g(k) = n )
| ( g(k) = m ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_733,c_279,c_278,c_280,c_266]) ).
tcf(c_748,plain,
( ( n = k )
| ( m = k )
| ( m = n )
| ( g(k) = n )
| ( g(k) = m )
| ~ element(k,n)
| ~ element(m,k) ),
inference(superposition,[status(thm)],[c_738,c_268]) ).
tcf(c_756,plain,
( ( g(k) = n )
| ( g(k) = m )
| ~ element(k,n) ),
inference(forward_subsumption_resolution,[status(thm)],[c_748,c_279,c_278,c_280,c_265]) ).
tcf(c_760,plain,
( ( g(k) = n )
| ( g(k) = m ) ),
inference(global_subsumption_just,[status(thm)],[c_756,c_721,c_756]) ).
tcf(c_768,plain,
( element(k,n)
| ( n = k )
| ( g(k) = m ) ),
inference(superposition,[status(thm)],[c_760,c_270]) ).
tcf(c_770,plain,
( element(k,n)
| ( g(k) = m ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_768,c_279]) ).
tcf(c_778,plain,
( element(k,m)
| ( n = k )
| ( m = k )
| ( m = n )
| ( g(k) = m )
| ~ element(n,k) ),
inference(superposition,[status(thm)],[c_770,c_273]) ).
tcf(c_782,plain,
( element(k,m)
| ( g(k) = m ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_778,c_279,c_278,c_280,c_266]) ).
tcf(c_789,plain,
( ( n = k )
| ( m = k )
| ( m = n )
| ( g(k) = m )
| ~ element(k,n)
| ~ element(m,k) ),
inference(superposition,[status(thm)],[c_782,c_268]) ).
tcf(c_796,plain,
( ( g(k) = m )
| ~ element(k,n) ),
inference(forward_subsumption_resolution,[status(thm)],[c_789,c_279,c_278,c_280,c_265]) ).
tcf(c_799,plain,
g(k) = m,
inference(global_subsumption_just,[status(thm)],[c_796,c_770,c_796]) ).
tcf(c_803,plain,
( element(k,n)
| element(k,m)
| ( n = k ) ),
inference(superposition,[status(thm)],[c_799,c_270]) ).
tcf(c_805,plain,
( element(k,n)
| element(k,m) ),
inference(forward_subsumption_resolution,[status(thm)],[c_803,c_279]) ).
tcf(c_813,plain,
( element(k,m)
| ( n = k )
| ( m = k )
| ( m = n )
| ~ element(n,k) ),
inference(superposition,[status(thm)],[c_805,c_273]) ).
tcf(c_817,plain,
element(k,m),
inference(forward_subsumption_resolution,[status(thm)],[c_813,c_279,c_278,c_280,c_266]) ).
tcf(c_819,plain,
( ( f(k) = k )
| ( f(k) = n )
| ( f(k) = m ) ),
inference(backward_subsumption_resolution,[status(thm)],[c_533,c_817]) ).
tcf(c_823,plain,
( ( n = k )
| ( m = k )
| ( m = n )
| ~ element(k,n)
| ~ element(m,k) ),
inference(superposition,[status(thm)],[c_817,c_268]) ).
tcf(c_825,plain,
~ element(k,n),
inference(forward_subsumption_resolution,[status(thm)],[c_823,c_279,c_278,c_280,c_265]) ).
tcf(c_1001,plain,
( ( m = k )
| ( f(k) = n )
| ( f(k) = m )
| ~ element(k,m) ),
inference(superposition,[status(thm)],[c_819,c_276]) ).
tcf(c_1004,plain,
( ( f(k) = n )
| ( f(k) = m ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_1001,c_278,c_817]) ).
tcf(c_1015,plain,
( element(k,n)
| ( m = k )
| ( f(k) = m )
| ~ element(k,m) ),
inference(superposition,[status(thm)],[c_1004,c_275]) ).
tcf(c_1017,plain,
f(k) = m,
inference(forward_subsumption_resolution,[status(thm)],[c_1015,c_825,c_278,c_817]) ).
tcf(c_1020,plain,
( ( m = k )
| ~ element(k,m) ),
inference(superposition,[status(thm)],[c_1017,c_277]) ).
tcf(c_1024,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_1020,c_278,c_817]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN013-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.37 % Computer : n026.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Thu Sep 24 23:53:09 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.41 Running first-order theorem proving
% 0.10/0.41 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
% 0.10/0.42
% 0.10/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.10/0.42
% 0.10/0.42 % Detected problem language: tptp
% 0.10/0.44 % Proving...
% 1.88/1.29 % SZS status Started for theBenchmark.p
% 1.88/1.29 % SZS status Unsatisfiable for theBenchmark.p
% 1.88/1.29
% 1.88/1.29 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.88/1.29
% 1.88/1.29 % ------ iProver source info
% 1.88/1.29
% 1.88/1.29 % git: date: 2026-07-19 20:42:38 +0200
% 1.88/1.29 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.88/1.29 % git: non_committed_changes: false
% 1.88/1.29
% 1.88/1.29 % ------ Parsing...% successful
% 1.88/1.29
% 1.88/1.29
% 1.88/1.29 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.88/1.29
% 1.88/1.29 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 1.88/1.29
% 1.88/1.29 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 1.88/1.29
% 1.88/1.29 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 1.88/1.29 % ------ Proving...
% 1.88/1.29 % ------ Problem Properties
% 1.88/1.29
% 1.88/1.29 %
% 1.88/1.29 % clauses 16
% 1.88/1.29 % conjectures 16
% 1.88/1.29 % EPR 8
% 1.88/1.29 % Horn 7
% 1.88/1.29 % unary 5
% 1.88/1.29 % binary 0
% 1.88/1.29 % lits 45
% 1.88/1.29 % lits eq 24
% 1.88/1.29 % fd_pure 0
% 1.88/1.29 % fd_pseudo 0
% 1.88/1.29 % fd_cond 9
% 1.88/1.29 % fd_pseudo_cond 2
% 1.88/1.29 % AC symbols 0
% 1.88/1.29
% 1.88/1.29 % ------ Schedule dynamic 5 is on
% 1.88/1.29
% 1.88/1.29 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.88/1.29
% 1.88/1.29
% 1.88/1.29 % ------
% 1.88/1.29 % Current options:
% 1.88/1.29 % ------
% 1.88/1.29
% 1.88/1.29
% 1.88/1.29 %
% 1.88/1.29
% 1.88/1.29 % ------ Proving...
% 1.88/1.29 %
% 1.88/1.29
% 1.88/1.29 % SZS status Unsatisfiable for theBenchmark.p
% 1.88/1.29
% 1.88/1.29 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.88/1.29
% 1.88/1.29
%------------------------------------------------------------------------------