%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : KLE068+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n016.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 01:52:19 PM UTC 2026
% Result : Theorem 7.22s 6.75s
% Output : CNFRefutation 7.22s
% Verified :
% SZS Type : Refutation
% Derivation depth : 21
% Number of leaves : 17
% Syntax : Number of formulae : 100 ( 100 unt; 5 def)
% Number of atoms : 212 ( 99 equ)
% Maximal formula atoms : 1 ( 2 avg)
% Number of connectives : 7 ( 7 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 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 : 7 ( 5 usr; 6 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 99 ( 0 sgn 97 !; 2 ?; 49 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] : addition(X0,X1) = addition(X1,X0),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+0.ax',additive_commutativity) ).
fof(f2,axiom,
! [X0,X1,X2] : addition(X2,addition(X1,X0)) = addition(addition(X2,X1),X0),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+0.ax',additive_associativity) ).
fof(f5,axiom,
! [X0,X1,X2] : multiplication(X0,multiplication(X1,X2)) = multiplication(multiplication(X0,X1),X2),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+0.ax',multiplicative_associativity) ).
fof(f6,axiom,
! [X0] : multiplication(X0,one) = X0,
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+0.ax',multiplicative_right_identity) ).
fof(f7,axiom,
! [X0] : multiplication(one,X0) = X0,
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+0.ax',multiplicative_left_identity) ).
fof(f8,axiom,
! [X0,X1,X2] : multiplication(X0,addition(X1,X2)) = addition(multiplication(X0,X1),multiplication(X0,X2)),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+0.ax',right_distributivity) ).
fof(f9,axiom,
! [X0,X1,X2] : multiplication(addition(X0,X1),X2) = addition(multiplication(X0,X2),multiplication(X1,X2)),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+0.ax',left_distributivity) ).
fof(f13,axiom,
! [X0] : addition(X0,multiplication(domain(X0),X0)) = multiplication(domain(X0),X0),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+5.ax',domain1) ).
fof(f14,axiom,
! [X0,X1] : domain(multiplication(X0,X1)) = domain(multiplication(X0,domain(X1))),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+5.ax',domain2) ).
fof(f15,axiom,
! [X0] : addition(domain(X0),one) = one,
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+5.ax',domain3) ).
fof(f17,axiom,
! [X0,X1] : domain(addition(X0,X1)) = addition(domain(X0),domain(X1)),
file('/export/starexec/sandbox2/benchmark/Axioms/KLE001+5.ax',domain5) ).
fof(f18,conjecture,
! [X0,X1] : domain(multiplication(domain(X0),domain(X1))) = multiplication(domain(X0),domain(X1)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goals) ).
fof(f19,negated_conjecture,
~ ! [X0,X1] : domain(multiplication(domain(X0),domain(X1))) = multiplication(domain(X0),domain(X1)),
inference(negated_conjecture,[status(cth)],[f18]) ).
fof(f20,plain,
? [X0,X1] : multiplication(domain(X0),domain(X1)) != domain(multiplication(domain(X0),domain(X1))),
inference(ennf_transformation,[],[f19]) ).
fof(f21,plain,
multiplication(domain(sK0),domain(sK1)) != domain(multiplication(domain(sK0),domain(sK1))),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X1,sK1)],[f20]) ).
fof(f22,plain,
! [X0,X1] : addition(X0,X1) = addition(X1,X0),
inference(cnf_transformation,[],[f1]) ).
fof(f23,plain,
! [X2,X0,X1] : addition(X2,addition(X1,X0)) = addition(addition(X2,X1),X0),
inference(cnf_transformation,[],[f2]) ).
fof(f26,plain,
! [X2,X0,X1] : multiplication(X0,multiplication(X1,X2)) = multiplication(multiplication(X0,X1),X2),
inference(cnf_transformation,[],[f5]) ).
fof(f27,plain,
! [X0] : multiplication(X0,one) = X0,
inference(cnf_transformation,[],[f6]) ).
fof(f28,plain,
! [X0] : multiplication(one,X0) = X0,
inference(cnf_transformation,[],[f7]) ).
fof(f29,plain,
! [X2,X0,X1] : multiplication(X0,addition(X1,X2)) = addition(multiplication(X0,X1),multiplication(X0,X2)),
inference(cnf_transformation,[],[f8]) ).
fof(f30,plain,
! [X2,X0,X1] : multiplication(addition(X0,X1),X2) = addition(multiplication(X0,X2),multiplication(X1,X2)),
inference(cnf_transformation,[],[f9]) ).
fof(f33,plain,
! [X0] : multiplication(domain(X0),X0) = addition(X0,multiplication(domain(X0),X0)),
inference(cnf_transformation,[],[f13]) ).
fof(f34,plain,
! [X0,X1] : domain(multiplication(X0,X1)) = domain(multiplication(X0,domain(X1))),
inference(cnf_transformation,[],[f14]) ).
fof(f35,plain,
! [X0] : one = addition(domain(X0),one),
inference(cnf_transformation,[],[f15]) ).
fof(f37,plain,
! [X0,X1] : domain(addition(X0,X1)) = addition(domain(X0),domain(X1)),
inference(cnf_transformation,[],[f17]) ).
fof(f38,plain,
multiplication(domain(sK0),domain(sK1)) != domain(multiplication(domain(sK0),domain(sK1))),
inference(cnf_transformation,[],[f21]) ).
tcf(c_49,plain,
! [X0: $i,X1: $i] : addition(X0,X1) = addition(X1,X0),
inference(cnf_transformation,[],[f22]) ).
tcf(c_50,plain,
! [X0: $i,X1: $i,X2: $i] : addition(addition(X0,X1),X2) = addition(X0,addition(X1,X2)),
inference(cnf_transformation,[],[f23]) ).
tcf(c_53,plain,
! [X0: $i,X1: $i,X2: $i] : multiplication(multiplication(X0,X1),X2) = multiplication(X0,multiplication(X1,X2)),
inference(cnf_transformation,[],[f26]) ).
tcf(c_54,plain,
! [X0: $i] : multiplication(X0,one) = X0,
inference(cnf_transformation,[],[f27]) ).
tcf(c_55,plain,
! [X0: $i] : multiplication(one,X0) = X0,
inference(cnf_transformation,[],[f28]) ).
tcf(c_56,plain,
! [X0: $i,X1: $i,X2: $i] : addition(multiplication(X0,X1),multiplication(X0,X2)) = multiplication(X0,addition(X1,X2)),
inference(cnf_transformation,[],[f29]) ).
tcf(c_57,plain,
! [X0: $i,X1: $i,X2: $i] : addition(multiplication(X0,X1),multiplication(X2,X1)) = multiplication(addition(X0,X2),X1),
inference(cnf_transformation,[],[f30]) ).
tcf(c_60,plain,
! [X0: $i] : addition(X0,multiplication(domain(X0),X0)) = multiplication(domain(X0),X0),
inference(cnf_transformation,[],[f33]) ).
tcf(c_61,plain,
! [X0: $i,X1: $i] : domain(multiplication(X0,domain(X1))) = domain(multiplication(X0,X1)),
inference(cnf_transformation,[],[f34]) ).
tcf(c_62,plain,
! [X0: $i] : addition(domain(X0),one) = one,
inference(cnf_transformation,[],[f35]) ).
tcf(c_64,plain,
! [X0: $i,X1: $i] : addition(domain(X0),domain(X1)) = domain(addition(X0,X1)),
inference(cnf_transformation,[],[f37]) ).
tcf(c_65,negated_conjecture,
domain(multiplication(domain(sK0),domain(sK1))) != multiplication(domain(sK0),domain(sK1)),
inference(cnf_transformation,[],[f38]) ).
tcf(c_79,plain,
! [X0: $i] : addition(one,domain(X0)) = one,
inference(theory_normalisation,[status(thm)],[c_62,c_50,c_49]) ).
tcf(c_115,plain,
multiplication(domain(sK0),domain(sK1)) != domain(multiplication(domain(sK0),sK1)),
inference(demodulation,[status(thm)],[c_65,c_61]) ).
tcf(c_121,definition,
iPr_def_10 = domain(sK0),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_122,definition,
iPr_def_11 = domain(sK1),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_123,definition,
iPr_def_12 = multiplication(iPr_def_10,iPr_def_11),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_124,definition,
iPr_def_13 = multiplication(iPr_def_10,sK1),
introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).
tcf(c_125,definition,
iPr_def_14 = domain(iPr_def_13),
introduced(definition,[new_symbols(definition,[iPr_def_14])],[]) ).
tcf(c_126,plain,
iPr_def_12 != iPr_def_14,
inference(demodulation,[status(thm)],[c_115,c_124,c_125,c_122,c_121,c_123]) ).
tcf(c_205,plain,
addition(one,iPr_def_10) = one,
inference(superposition,[status(thm)],[c_121,c_79]) ).
tcf(c_206,plain,
addition(one,iPr_def_11) = one,
inference(superposition,[status(thm)],[c_122,c_79]) ).
tcf(c_209,plain,
addition(iPr_def_11,one) = one,
inference(theory_normalisation,[status(thm)],[c_206,c_50,c_49]) ).
tcf(c_210,plain,
addition(iPr_def_10,one) = one,
inference(theory_normalisation,[status(thm)],[c_205,c_50,c_49]) ).
tcf(c_220,plain,
! [X0: $i] : domain(multiplication(one,X0)) = domain(domain(X0)),
inference(superposition,[status(thm)],[c_55,c_61]) ).
tcf(c_224,plain,
! [X0: $i] : domain(multiplication(X0,sK1)) = domain(multiplication(X0,iPr_def_11)),
inference(superposition,[status(thm)],[c_122,c_61]) ).
tcf(c_229,plain,
! [X0: $i] : domain(domain(X0)) = domain(X0),
inference(light_normalisation,[status(thm)],[c_220,c_55]) ).
tcf(c_232,plain,
domain(iPr_def_10) = iPr_def_10,
inference(superposition,[status(thm)],[c_121,c_229]) ).
tcf(c_233,plain,
domain(iPr_def_11) = iPr_def_11,
inference(superposition,[status(thm)],[c_122,c_229]) ).
tcf(c_234,plain,
domain(iPr_def_14) = iPr_def_14,
inference(superposition,[status(thm)],[c_125,c_229]) ).
tcf(c_276,plain,
! [X0: $i] : addition(iPr_def_11,addition(one,X0)) = addition(one,X0),
inference(superposition,[status(thm)],[c_209,c_50]) ).
tcf(c_336,plain,
domain(multiplication(iPr_def_10,iPr_def_11)) = domain(iPr_def_13),
inference(superposition,[status(thm)],[c_124,c_224]) ).
tcf(c_341,plain,
domain(iPr_def_12) = iPr_def_14,
inference(light_normalisation,[status(thm)],[c_336,c_123,c_125]) ).
tcf(c_371,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_11),multiplication(X0,one)) = multiplication(X0,one),
inference(superposition,[status(thm)],[c_209,c_56]) ).
tcf(c_372,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_10),multiplication(X0,one)) = multiplication(X0,one),
inference(superposition,[status(thm)],[c_210,c_56]) ).
tcf(c_381,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_10),X0) = X0,
inference(light_normalisation,[status(thm)],[c_372,c_54]) ).
tcf(c_382,plain,
! [X0: $i] : addition(X0,multiplication(X0,iPr_def_10)) = X0,
inference(theory_normalisation,[status(thm)],[c_381,c_50,c_49]) ).
tcf(c_383,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_11),X0) = X0,
inference(light_normalisation,[status(thm)],[c_371,c_54]) ).
tcf(c_384,plain,
! [X0: $i] : addition(X0,multiplication(X0,iPr_def_11)) = X0,
inference(theory_normalisation,[status(thm)],[c_383,c_50,c_49]) ).
tcf(c_403,plain,
! [X0: $i,X1: $i] : addition(multiplication(one,X0),multiplication(domain(X1),X0)) = multiplication(one,X0),
inference(superposition,[status(thm)],[c_79,c_57]) ).
tcf(c_407,plain,
! [X0: $i] : addition(multiplication(iPr_def_10,X0),multiplication(one,X0)) = multiplication(one,X0),
inference(superposition,[status(thm)],[c_210,c_57]) ).
tcf(c_419,plain,
! [X0: $i] : addition(multiplication(iPr_def_10,X0),X0) = X0,
inference(light_normalisation,[status(thm)],[c_407,c_55]) ).
tcf(c_420,plain,
! [X0: $i] : addition(X0,multiplication(iPr_def_10,X0)) = X0,
inference(theory_normalisation,[status(thm)],[c_419,c_50,c_49]) ).
tcf(c_426,plain,
! [X0: $i,X1: $i] : addition(X0,multiplication(domain(X1),X0)) = X0,
inference(light_normalisation,[status(thm)],[c_403,c_55]) ).
tcf(c_428,plain,
! [X0: $i] : multiplication(domain(X0),X0) = X0,
inference(demodulation,[status(thm)],[c_60,c_426]) ).
tcf(c_444,plain,
multiplication(iPr_def_14,iPr_def_14) = iPr_def_14,
inference(superposition,[status(thm)],[c_234,c_428]) ).
tcf(c_446,plain,
multiplication(iPr_def_14,iPr_def_12) = iPr_def_12,
inference(superposition,[status(thm)],[c_341,c_428]) ).
tcf(c_537,plain,
addition(iPr_def_10,iPr_def_12) = iPr_def_10,
inference(superposition,[status(thm)],[c_123,c_384]) ).
tcf(c_549,plain,
addition(domain(iPr_def_10),domain(iPr_def_12)) = domain(iPr_def_10),
inference(superposition,[status(thm)],[c_537,c_64]) ).
tcf(c_552,plain,
addition(iPr_def_10,iPr_def_14) = iPr_def_10,
inference(light_normalisation,[status(thm)],[c_549,c_232,c_341]) ).
tcf(c_556,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_10),multiplication(X0,iPr_def_14)) = multiplication(X0,iPr_def_10),
inference(superposition,[status(thm)],[c_552,c_56]) ).
tcf(c_584,plain,
addition(iPr_def_11,iPr_def_12) = iPr_def_11,
inference(superposition,[status(thm)],[c_123,c_420]) ).
tcf(c_596,plain,
! [X0: $i] : addition(iPr_def_11,addition(iPr_def_12,X0)) = addition(iPr_def_11,X0),
inference(superposition,[status(thm)],[c_584,c_50]) ).
tcf(c_597,plain,
addition(domain(iPr_def_11),domain(iPr_def_12)) = domain(iPr_def_11),
inference(superposition,[status(thm)],[c_584,c_64]) ).
tcf(c_600,plain,
addition(iPr_def_11,iPr_def_14) = iPr_def_11,
inference(light_normalisation,[status(thm)],[c_597,c_233,c_341]) ).
tcf(c_610,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_11),multiplication(X0,iPr_def_14)) = multiplication(X0,iPr_def_11),
inference(superposition,[status(thm)],[c_600,c_56]) ).
tcf(c_813,plain,
! [X0: $i] : addition(iPr_def_11,addition(X0,one)) = addition(X0,one),
inference(superposition,[status(thm)],[c_49,c_276]) ).
tcf(c_1576,plain,
addition(iPr_def_11,one) = addition(iPr_def_12,one),
inference(superposition,[status(thm)],[c_813,c_596]) ).
tcf(c_1579,plain,
addition(iPr_def_12,one) = one,
inference(light_normalisation,[status(thm)],[c_1576,c_209]) ).
tcf(c_1584,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_12),multiplication(X0,one)) = multiplication(X0,one),
inference(superposition,[status(thm)],[c_1579,c_56]) ).
tcf(c_1591,plain,
! [X0: $i] : addition(multiplication(X0,iPr_def_12),X0) = X0,
inference(light_normalisation,[status(thm)],[c_1584,c_54]) ).
tcf(c_1592,plain,
! [X0: $i] : addition(X0,multiplication(X0,iPr_def_12)) = X0,
inference(theory_normalisation,[status(thm)],[c_1591,c_50,c_49]) ).
tcf(c_1626,plain,
addition(iPr_def_14,iPr_def_12) = iPr_def_14,
inference(superposition,[status(thm)],[c_446,c_1592]) ).
tcf(c_1644,plain,
addition(iPr_def_12,iPr_def_14) = iPr_def_14,
inference(theory_normalisation,[status(thm)],[c_1626,c_50,c_49]) ).
tcf(c_7960,plain,
addition(multiplication(iPr_def_14,iPr_def_10),iPr_def_14) = multiplication(iPr_def_14,iPr_def_10),
inference(superposition,[status(thm)],[c_444,c_556]) ).
tcf(c_7970,plain,
addition(iPr_def_14,multiplication(iPr_def_14,iPr_def_10)) = multiplication(iPr_def_14,iPr_def_10),
inference(theory_normalisation,[status(thm)],[c_7960,c_50,c_49]) ).
tcf(c_8816,plain,
multiplication(iPr_def_14,iPr_def_10) = iPr_def_14,
inference(demodulation,[status(thm)],[c_7970,c_382]) ).
tcf(c_8827,plain,
! [X0: $i] : multiplication(iPr_def_14,multiplication(iPr_def_10,X0)) = multiplication(iPr_def_14,X0),
inference(superposition,[status(thm)],[c_8816,c_53]) ).
tcf(c_9007,plain,
multiplication(iPr_def_14,iPr_def_11) = multiplication(iPr_def_14,iPr_def_12),
inference(superposition,[status(thm)],[c_123,c_8827]) ).
tcf(c_9028,plain,
multiplication(iPr_def_14,iPr_def_11) = iPr_def_12,
inference(light_normalisation,[status(thm)],[c_9007,c_446]) ).
tcf(c_9698,plain,
addition(iPr_def_12,multiplication(iPr_def_14,iPr_def_14)) = iPr_def_12,
inference(superposition,[status(thm)],[c_9028,c_610]) ).
tcf(c_9716,plain,
iPr_def_12 = iPr_def_14,
inference(light_normalisation,[status(thm)],[c_9698,c_444,c_1644]) ).
tcf(c_9717,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_9716,c_126]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : KLE068+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/5.38 % Computer : n016.cluster.edu
% 0.11/5.38 % Model : x86_64 x86_64
% 0.11/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/5.38 % Memory : 8046.5625MB
% 0.11/5.38 % OS : Linux 6.8.0-71-generic
% 0.11/5.38 % CPULimit : 300
% 0.11/5.38 % WCLimit : 300
% 0.11/5.38 % DateTime : Wed Sep 23 18:55:18 UTC 2026
% 0.11/5.38 % CPUTime :
% 0.11/5.38 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.16/5.42 Running first-order theorem proving
% 0.16/5.42 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
% 0.16/5.43
% 0.16/5.43 % ======== iProver multi-core TPTP/SMT =========
% 0.16/5.43
% 0.16/5.43 % Detected problem language: tptp
% 0.16/5.44 % Proving...
% 7.22/6.75 % SZS status Started for theBenchmark.p
% 7.22/6.75 % SZS status Theorem for theBenchmark.p
% 7.22/6.75
% 7.22/6.75 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 7.22/6.75
% 7.22/6.75 % ------ iProver source info
% 7.22/6.75
% 7.22/6.75 % git: date: 2026-07-19 20:42:38 +0200
% 7.22/6.75 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 7.22/6.75 % git: non_committed_changes: false
% 7.22/6.75
% 7.22/6.75 % ------ Parsing...
% 7.22/6.75 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Option_UEQ
% 7.22/6.75 %
% 7.22/6.75
% 7.22/6.75 % ------ Preprocessing... sup_sim: 1 sf_s rm: 0 0s sf_e pe_s pe_e %
% 7.22/6.75
% 7.22/6.75 % ------ Preprocessing...% ------ preprocesses with Option_UEQ
% 7.22/6.75 gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 7.22/6.75
% 7.22/6.75 % ------ Preprocessing... sf_s rm: 0 0s sf_e
% 7.22/6.75 % ------ Proving...
% 7.22/6.75 % ------ Problem Properties
% 7.22/6.75
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% 7.22/6.75 % clauses 22
% 7.22/6.75 % conjectures 0
% 7.22/6.75 % EPR 1
% 7.22/6.75 % Horn 22
% 7.22/6.75 % unary 22
% 7.22/6.75 % binary 0
% 7.22/6.75 % lits 22
% 7.22/6.75 % lits eq 22
% 7.22/6.75 % fd_pure 0
% 7.22/6.75 % fd_pseudo 0
% 7.22/6.75 % fd_cond 0
% 7.22/6.75 % fd_pseudo_cond 0
% 7.22/6.75 % AC symbols 1
% 7.22/6.75
% 7.22/6.75 % ------ Schedule UEQ
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% 7.22/6.75 % ------ Option_UEQ Time Limit: 10.
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% 7.22/6.75 % ------
% 7.22/6.75 % Current options:
% 7.22/6.75 % ------
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% 7.22/6.75
% 7.22/6.75 % ------ Proving...
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% 7.22/6.75 % SZS status Theorem for theBenchmark.p
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% 7.22/6.75 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
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