%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : KLE063+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n006.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 4.92s 1.32s
% Output : CNFRefutation 4.92s
% Verified :
% SZS Type : Refutation
% Derivation depth : 15
% Number of leaves : 15
% Syntax : Number of formulae : 69 ( 65 unt; 5 def)
% Number of atoms : 113 ( 72 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 12 ( 8 ~; 0 |; 2 &)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 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 : 7 ( 5 usr; 6 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 74 ( 0 sgn 72 !; 2 ?; 32 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] : addition(X0,X1) = addition(X1,X0),
file('/export/starexec/sandbox/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/sandbox/benchmark/Axioms/KLE001+0.ax',additive_associativity) ).
fof(f6,axiom,
! [X0] : multiplication(X0,one) = X0,
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+0.ax',multiplicative_right_identity) ).
fof(f7,axiom,
! [X0] : multiplication(one,X0) = X0,
file('/export/starexec/sandbox/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/sandbox/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/sandbox/benchmark/Axioms/KLE001+0.ax',left_distributivity) ).
fof(f14,axiom,
! [X0,X1] : domain(multiplication(X0,X1)) = domain(multiplication(X0,domain(X1))),
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+5.ax',domain2) ).
fof(f15,axiom,
! [X0] : addition(domain(X0),one) = one,
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+5.ax',domain3) ).
fof(f17,axiom,
! [X0,X1] : domain(addition(X0,X1)) = addition(domain(X0),domain(X1)),
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+5.ax',domain5) ).
fof(f18,conjecture,
! [X0,X1] :
( addition(X0,multiplication(domain(X1),X0)) = multiplication(domain(X1),X0)
=> addition(domain(X0),domain(X1)) = domain(X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).
fof(f19,negated_conjecture,
~ ! [X0,X1] :
( addition(X0,multiplication(domain(X1),X0)) = multiplication(domain(X1),X0)
=> addition(domain(X0),domain(X1)) = domain(X1) ),
inference(negated_conjecture,[status(cth)],[f18]) ).
fof(f20,plain,
? [X0,X1] :
( addition(X0,multiplication(domain(X1),X0)) = multiplication(domain(X1),X0)
& domain(X1) != addition(domain(X0),domain(X1)) ),
inference(ennf_transformation,[],[f19]) ).
fof(f21,plain,
( multiplication(domain(sK1),sK0) = addition(sK0,multiplication(domain(sK1),sK0))
& domain(sK1) != addition(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(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(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(sK1),sK0) = addition(sK0,multiplication(domain(sK1),sK0)),
inference(cnf_transformation,[],[f21]) ).
fof(f39,plain,
domain(sK1) != addition(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_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_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,
addition(domain(sK0),domain(sK1)) != domain(sK1),
inference(cnf_transformation,[],[f39]) ).
tcf(c_66,negated_conjecture,
addition(sK0,multiplication(domain(sK1),sK0)) = multiplication(domain(sK1),sK0),
inference(cnf_transformation,[],[f38]) ).
tcf(c_80,plain,
! [X0: $i] : addition(one,domain(X0)) = one,
inference(theory_normalisation,[status(thm)],[c_62,c_50,c_49]) ).
tcf(c_81,negated_conjecture,
addition(domain(sK1),domain(sK0)) != domain(sK1),
inference(theory_normalisation,[status(thm)],[c_65,c_50,c_49]) ).
tcf(c_119,plain,
domain(addition(sK1,sK0)) != domain(sK1),
inference(ac_demodulation,[status(thm)],[c_81,c_64,c_50,c_49]) ).
tcf(c_126,definition,
iPr_def_10 = addition(sK1,sK0),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_127,definition,
iPr_def_11 = domain(iPr_def_10),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_128,definition,
iPr_def_12 = domain(sK1),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_129,definition,
iPr_def_13 = multiplication(iPr_def_12,sK0),
introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).
tcf(c_130,definition,
iPr_def_14 = addition(sK0,iPr_def_13),
introduced(definition,[new_symbols(definition,[iPr_def_14])],[]) ).
tcf(c_131,plain,
iPr_def_11 != iPr_def_12,
inference(demodulation,[status(thm)],[c_119,c_128,c_126,c_127]) ).
tcf(c_132,negated_conjecture,
iPr_def_14 = iPr_def_13,
inference(demodulation,[status(thm)],[c_66,c_129,c_130]) ).
tcf(c_213,plain,
addition(one,iPr_def_12) = one,
inference(superposition,[status(thm)],[c_128,c_80]) ).
tcf(c_216,plain,
addition(iPr_def_12,one) = one,
inference(theory_normalisation,[status(thm)],[c_213,c_50,c_49]) ).
tcf(c_218,plain,
addition(iPr_def_13,sK0) = iPr_def_14,
inference(theory_normalisation,[status(thm)],[c_130,c_50,c_49]) ).
tcf(c_219,plain,
addition(iPr_def_13,sK0) = iPr_def_13,
inference(light_normalisation,[status(thm)],[c_218,c_132]) ).
tcf(c_228,plain,
! [X0: $i] : domain(multiplication(one,X0)) = domain(domain(X0)),
inference(superposition,[status(thm)],[c_55,c_61]) ).
tcf(c_236,plain,
! [X0: $i] : domain(domain(X0)) = domain(X0),
inference(light_normalisation,[status(thm)],[c_228,c_55]) ).
tcf(c_239,plain,
domain(iPr_def_12) = iPr_def_12,
inference(superposition,[status(thm)],[c_128,c_236]) ).
tcf(c_290,plain,
addition(domain(sK1),domain(sK0)) = domain(iPr_def_10),
inference(superposition,[status(thm)],[c_126,c_64]) ).
tcf(c_300,plain,
addition(iPr_def_12,domain(sK0)) = iPr_def_11,
inference(light_normalisation,[status(thm)],[c_290,c_127,c_128]) ).
tcf(c_487,plain,
! [X0: $i,X1: $i] : addition(multiplication(X0,one),multiplication(X0,domain(X1))) = multiplication(X0,one),
inference(superposition,[status(thm)],[c_80,c_56]) ).
tcf(c_517,plain,
! [X0: $i,X1: $i] : addition(X0,multiplication(X0,domain(X1))) = X0,
inference(light_normalisation,[status(thm)],[c_487,c_54]) ).
tcf(c_537,plain,
! [X0: $i] : addition(multiplication(iPr_def_12,X0),multiplication(one,X0)) = multiplication(one,X0),
inference(superposition,[status(thm)],[c_216,c_57]) ).
tcf(c_558,plain,
! [X0: $i] : addition(multiplication(iPr_def_12,X0),X0) = X0,
inference(light_normalisation,[status(thm)],[c_537,c_55]) ).
tcf(c_559,plain,
! [X0: $i] : addition(X0,multiplication(iPr_def_12,X0)) = X0,
inference(theory_normalisation,[status(thm)],[c_558,c_50,c_49]) ).
tcf(c_894,plain,
addition(sK0,iPr_def_13) = sK0,
inference(superposition,[status(thm)],[c_129,c_559]) ).
tcf(c_908,plain,
addition(iPr_def_13,sK0) = sK0,
inference(theory_normalisation,[status(thm)],[c_894,c_50,c_49]) ).
tcf(c_909,plain,
sK0 = iPr_def_13,
inference(light_normalisation,[status(thm)],[c_908,c_219]) ).
tcf(c_927,plain,
addition(iPr_def_12,domain(iPr_def_13)) = iPr_def_11,
inference(demodulation,[status(thm)],[c_300,c_909]) ).
tcf(c_929,plain,
multiplication(iPr_def_12,iPr_def_13) = iPr_def_13,
inference(demodulation,[status(thm)],[c_129,c_909]) ).
tcf(c_1020,plain,
! [X0: $i,X1: $i] : addition(domain(X0),domain(multiplication(X0,domain(X1)))) = domain(X0),
inference(superposition,[status(thm)],[c_517,c_64]) ).
tcf(c_1031,plain,
! [X0: $i,X1: $i] : addition(domain(X0),domain(multiplication(X0,X1))) = domain(X0),
inference(light_normalisation,[status(thm)],[c_1020,c_61]) ).
tcf(c_6871,plain,
addition(domain(iPr_def_12),domain(iPr_def_13)) = domain(iPr_def_12),
inference(superposition,[status(thm)],[c_929,c_1031]) ).
tcf(c_6891,plain,
iPr_def_11 = iPr_def_12,
inference(light_normalisation,[status(thm)],[c_6871,c_239,c_927]) ).
tcf(c_6892,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_6891,c_131]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : KLE063+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.37 % Computer : n006.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 : Wed Sep 23 18:49:12 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.41 Running first-order theorem proving
% 0.10/0.41 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/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
% 0.10/0.43 % Proving...
% 4.92/1.32 % SZS status Started for theBenchmark.p
% 4.92/1.32 % SZS status Theorem for theBenchmark.p
% 4.92/1.32
% 4.92/1.32 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 4.92/1.32
% 4.92/1.32 % ------ iProver source info
% 4.92/1.32
% 4.92/1.32 % git: date: 2026-07-19 20:42:38 +0200
% 4.92/1.32 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 4.92/1.32 % git: non_committed_changes: false
% 4.92/1.32
% 4.92/1.32 % ------ Parsing...
% 4.92/1.32 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Option_UEQ
% 4.92/1.32 %
% 4.92/1.32
% 4.92/1.32 % ------ Preprocessing... sup_sim: 3 sf_s rm: 0 0s sf_e pe_s pe_e %
% 4.92/1.32
% 4.92/1.32 % ------ Preprocessing...% ------ preprocesses with Option_UEQ
% 4.92/1.32 gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 4.92/1.32
% 4.92/1.32 % ------ Preprocessing... sf_s rm: 0 0s sf_e
% 4.92/1.32 % ------ Proving...
% 4.92/1.32 % ------ Problem Properties
% 4.92/1.32
% 4.92/1.32 %
% 4.92/1.32 % clauses 23
% 4.92/1.32 % conjectures 1
% 4.92/1.32 % EPR 2
% 4.92/1.32 % Horn 23
% 4.92/1.32 % unary 23
% 4.92/1.32 % binary 0
% 4.92/1.32 % lits 23
% 4.92/1.32 % lits eq 23
% 4.92/1.32 % fd_pure 0
% 4.92/1.32 % fd_pseudo 0
% 4.92/1.32 % fd_cond 0
% 4.92/1.32 % fd_pseudo_cond 0
% 4.92/1.32 % AC symbols 1
% 4.92/1.32
% 4.92/1.32 % ------ Schedule UEQ
% 4.92/1.32
% 4.92/1.32 % ------ Option_UEQ Time Limit: 10.
% 4.92/1.32
% 4.92/1.32
% 4.92/1.32 % ------
% 4.92/1.32 % Current options:
% 4.92/1.32 % ------
% 4.92/1.32
% 4.92/1.32
% 4.92/1.32 %
% 4.92/1.32
% 4.92/1.32 % ------ Proving...
% 4.92/1.32 %
% 4.92/1.32
% 4.92/1.32 % SZS status Theorem for theBenchmark.p
% 4.92/1.32
% 4.92/1.32 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 4.92/1.33
% 4.92/1.33
%------------------------------------------------------------------------------