%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : CAT005-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n012.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 01:00:36 PM UTC 2026
% Result : Unsatisfiable 4.17s 0.94s
% Output : Proof 4.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 9
% Syntax : Number of formulae : 51 ( 35 unt; 0 def)
% Number of atoms : 83 ( 24 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 70 ( 38 ~; 32 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-4 aty)
% Number of variables : 70 ( 6 sgn 28 !; 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(f18,hypothesis,
defined(a,d),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ad_defined) ).
fof(f18_nnf,plain,
defined(a,d),
inference(nnf_transformation,[status(thm)],[f18]) ).
cnf(c18,plain,
defined(a,d),
inference(cnf_transformation,[status(esa)],[f18_nnf]) ).
cnf(hi18,axiom,
defined(a,d) = true,
inference(equality_encoding,[status(esa)],[c18]) ).
cnf(f19,hypothesis,
identity_map(d),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d_is_identity_map) ).
fof(f19_nnf,plain,
identity_map(d),
inference(nnf_transformation,[status(thm)],[f19]) ).
cnf(c19,plain,
identity_map(d),
inference(cnf_transformation,[status(esa)],[f19_nnf]) ).
cnf(hi19,axiom,
identity_map(d) = true,
inference(equality_encoding,[status(esa)],[c19]) ).
cnf(h0,plain,
product(a,d,a) = true,
inference(hyper_resolution,[status(thm)],[hi16,hi18,hi19]) ).
cnf(f2,axiom,
( defined(Y,Z)
| ~ defined(Xy,Z)
| ~ product(X,Y,Xy) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associative_property2) ).
fof(f2_nnf,plain,
! [X,Y,Xy,Z] :
( defined(Y,Z)
| ~ defined(Xy,Z)
| ~ product(X,Y,Xy) ),
inference(nnf_transformation,[status(thm)],[f2]) ).
fof(f2_sk,plain,
! [X,Y,Xy,Z] :
( defined(Y,Z)
| ~ defined(Xy,Z)
| ~ product(X,Y,Xy) ),
inference(skolemisation,[status(esa)],[f2_nnf]) ).
cnf(c2,plain,
( defined(X1,X3)
| ~ defined(X2,X3)
| ~ product(X0,X1,X2) ),
inference(cnf_transformation,[status(esa)],[f2_sk]) ).
cnf(hi2,axiom,
ifeq(product(X0,X1,X2),true,ifeq(defined(X2,X3),true,defined(X1,X3),true),true) = true,
inference(equality_encoding,[status(esa)],[c2]) ).
cnf(f11,axiom,
defined(X,domain(X)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mapping_from_x_to_its_domain) ).
fof(f11_nnf,plain,
! [X] : defined(X,domain(X)),
inference(nnf_transformation,[status(thm)],[f11]) ).
fof(f11_sk,plain,
! [X] : defined(X,domain(X)),
inference(skolemisation,[status(esa)],[f11_nnf]) ).
cnf(c11,plain,
defined(X0,domain(X0)),
inference(cnf_transformation,[status(esa)],[f11_sk]) ).
cnf(hi11,axiom,
defined(X0,domain(X0)) = true,
inference(equality_encoding,[status(esa)],[c11]) ).
cnf(h11,plain,
defined(d,domain(a)) = true,
inference(hyper_resolution,[status(thm)],[hi2,h0,hi11]) ).
cnf(f15,axiom,
( product(X,Y,Y)
| ~ identity_map(X)
| ~ defined(X,Y) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity1) ).
fof(f15_nnf,plain,
! [X,Y] :
( product(X,Y,Y)
| ~ identity_map(X)
| ~ defined(X,Y) ),
inference(nnf_transformation,[status(thm)],[f15]) ).
fof(f15_sk,plain,
! [X,Y] :
( product(X,Y,Y)
| ~ identity_map(X)
| ~ defined(X,Y) ),
inference(skolemisation,[status(esa)],[f15_nnf]) ).
cnf(c15,plain,
( product(X0,X1,X1)
| ~ identity_map(X0)
| ~ defined(X0,X1) ),
inference(cnf_transformation,[status(esa)],[f15_sk]) ).
cnf(hi15,axiom,
ifeq(defined(X0,X1),true,ifeq(identity_map(X0),true,product(X0,X1,X1),true),true) = true,
inference(equality_encoding,[status(esa)],[c15]) ).
cnf(h17,plain,
product(d,domain(a),domain(a)) = true,
inference(hyper_resolution,[status(thm)],[hi15,h11,hi19]) ).
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(h16,plain,
product(d,domain(a),d) = true,
inference(hyper_resolution,[status(thm)],[hi16,h11,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(t1,plain,
domain(a) = d,
inference(hyper_resolution,[status(thm)],[hi17,h16,h17]) ).
cnf(t260,plain,
domain(a) = d,
inference(orient,[status(thm)],[t1]) ).
cnf(f20,negated_conjecture,
domain(a) != d,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_domain_of_a_is_d) ).
fof(f20_nnf,plain,
domain(a) != d,
inference(nnf_transformation,[status(thm)],[f20]) ).
fof(f20_sk,plain,
domain(a) != d,
inference(skolemisation,[status(esa)],[f20_nnf]) ).
cnf(c20,plain,
domain(a) != d,
inference(cnf_transformation,[status(esa)],[f20_sk]) ).
cnf(goal_0,negated_conjecture,
domain(a) != d,
inference(equality_encoding,[status(esa)],[c20]) ).
cnf(g0_0,plain,
d != d,
inference(rw,[status(thm)],[goal_0,t260]) ).
cnf(contradiction_0,plain,
$false,
inference(trivial_inequality_removal,[status(thm)],[g0_0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : CAT005-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.02 % Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.04/0.30 % Computer : n012.cluster.edu
% 0.04/0.30 % Model : x86_64 x86_64
% 0.04/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/0.30 % Memory : 8046.5625MB
% 0.04/0.30 % OS : Linux 6.8.0-71-generic
% 0.04/0.30 % CPULimit : 300
% 0.04/0.30 % WCLimit : 300
% 0.04/0.30 % DateTime : Fri Sep 25 06:51:50 UTC 2026
% 0.04/0.30 % CPUTime :
% 0.04/0.30 Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 4.17/0.94 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 4.17/0.94 % SZS output start Proof for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------