%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : CAT012-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n008.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 01:00:40 PM UTC 2026
% Result : Unsatisfiable 5.92s 1.22s
% Output : Proof 5.92s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 6
% Syntax : Number of formulae : 35 ( 27 unt; 0 def)
% Number of atoms : 51 ( 18 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 38 ( 22 ~; 16 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 2 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-4 aty)
% Number of variables : 48 ( 3 sgn 18 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
cnf(f16,axiom,
( product(X,Y,X)
| ~ identity_map(Y)
| ~ defined(X,Y) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity2) ).
fof(f16_nnf,plain,
! [X,Y] :
( product(X,Y,X)
| ~ identity_map(Y)
| ~ defined(X,Y) ),
inference(nnf_transformation,[status(thm)],[f16]) ).
fof(f16_sk,plain,
! [X,Y] :
( product(X,Y,X)
| ~ identity_map(Y)
| ~ defined(X,Y) ),
inference(skolemisation,[status(esa)],[f16_nnf]) ).
cnf(c16,plain,
( product(X0,X1,X0)
| ~ identity_map(X1)
| ~ defined(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f16_sk]) ).
cnf(hi16,axiom,
ifeq(defined(X0,X1),true,ifeq(identity_map(X1),true,product(X0,X1,X0),true),true) = true,
inference(equality_encoding,[status(esa)],[c16]) ).
cnf(f12,axiom,
defined(codomain(X),X),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mapping_from_codomain_of_x_to_x) ).
fof(f12_nnf,plain,
! [X] : defined(codomain(X),X),
inference(nnf_transformation,[status(thm)],[f12]) ).
fof(f12_sk,plain,
! [X] : defined(codomain(X),X),
inference(skolemisation,[status(esa)],[f12_nnf]) ).
cnf(c12,plain,
defined(codomain(X0),X0),
inference(cnf_transformation,[status(esa)],[f12_sk]) ).
cnf(hi12,axiom,
defined(codomain(X0),X0) = true,
inference(equality_encoding,[status(esa)],[c12]) ).
cnf(f9,axiom,
identity_map(domain(X)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',domain_is_an_identity_map) ).
fof(f9_nnf,plain,
! [X] : identity_map(domain(X)),
inference(nnf_transformation,[status(thm)],[f9]) ).
fof(f9_sk,plain,
! [X] : identity_map(domain(X)),
inference(skolemisation,[status(esa)],[f9_nnf]) ).
cnf(c9,plain,
identity_map(domain(X0)),
inference(cnf_transformation,[status(esa)],[f9_sk]) ).
cnf(hi9,axiom,
identity_map(domain(X0)) = true,
inference(equality_encoding,[status(esa)],[c9]) ).
cnf(h5,plain,
product(codomain(domain(V0)),domain(V0),codomain(domain(V0))) = true,
inference(hyper_resolution,[status(thm)],[hi16,hi12,hi9]) ).
cnf(f17,axiom,
( Z = W
| ~ product(X,Y,W)
| ~ product(X,Y,Z) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',composition_is_well_defined) ).
fof(f17_nnf,plain,
! [X,Y,Z,W] :
( Z = W
| ~ product(X,Y,W)
| ~ product(X,Y,Z) ),
inference(nnf_transformation,[status(thm)],[f17]) ).
fof(f17_sk,plain,
! [X,Y,Z,W] :
( Z = W
| ~ product(X,Y,W)
| ~ product(X,Y,Z) ),
inference(skolemisation,[status(esa)],[f17_nnf]) ).
cnf(c17,plain,
( X2 = X3
| ~ product(X0,X1,X3)
| ~ product(X0,X1,X2) ),
inference(cnf_transformation,[status(esa)],[f17_sk]) ).
cnf(hi17,axiom,
ifeq(product(X0,X1,X2),true,ifeq(product(X0,X1,X3),true,X2,X3),X3) = X3,
inference(equality_encoding,[status(esa)],[c17]) ).
cnf(f14,axiom,
product(codomain(X),X,X),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product_on_codomain) ).
fof(f14_nnf,plain,
! [X] : product(codomain(X),X,X),
inference(nnf_transformation,[status(thm)],[f14]) ).
fof(f14_sk,plain,
! [X] : product(codomain(X),X,X),
inference(skolemisation,[status(esa)],[f14_nnf]) ).
cnf(c14,plain,
product(codomain(X0),X0,X0),
inference(cnf_transformation,[status(esa)],[f14_sk]) ).
cnf(hi14,axiom,
product(codomain(X0),X0,X0) = true,
inference(equality_encoding,[status(esa)],[c14]) ).
cnf(t3,plain,
codomain(domain(X1)) = domain(X1),
inference(hyper_resolution,[status(thm)],[hi17,hi14,h5]) ).
cnf(t126,plain,
codomain(domain(X1)) = domain(X1),
inference(orient,[status(thm)],[t3]) ).
cnf(f18,negated_conjecture,
codomain(domain(a)) != domain(a),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_codomain_of_domain_is_domain) ).
fof(f18_nnf,plain,
codomain(domain(a)) != domain(a),
inference(nnf_transformation,[status(thm)],[f18]) ).
fof(f18_sk,plain,
codomain(domain(a)) != domain(a),
inference(skolemisation,[status(esa)],[f18_nnf]) ).
cnf(c18,plain,
codomain(domain(a)) != domain(a),
inference(cnf_transformation,[status(esa)],[f18_sk]) ).
cnf(goal_0,negated_conjecture,
codomain(domain(a)) != domain(a),
inference(equality_encoding,[status(esa)],[c18]) ).
cnf(g0_0,plain,
domain(a) != domain(a),
inference(rw,[status(thm)],[goal_0,t126]) ).
cnf(contradiction_0,plain,
$false,
inference(trivial_inequality_removal,[status(thm)],[g0_0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CAT012-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.11/0.38 % Computer : n008.cluster.edu
% 0.11/0.38 % Model : x86_64 x86_64
% 0.11/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.38 % Memory : 8046.5625MB
% 0.11/0.38 % OS : Linux 6.8.0-71-generic
% 0.11/0.38 % CPULimit : 300
% 0.11/0.38 % WCLimit : 300
% 0.11/0.38 % DateTime : Fri Sep 25 06:56:13 UTC 2026
% 0.11/0.38 % CPUTime :
% 0.11/0.38 Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 5.92/1.22 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 5.92/1.22 % SZS output start Proof for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------