%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : SYN345-1 : TPTP v9.2.1. Released v1.2.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n015.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue May 5 05:36:52 PM UTC 2026
% Result : Unsatisfiable 0.27s 1.62s
% Output : CNFRefutation 0.27s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 9
% Syntax : Number of clauses : 46 ( 6 unt; 15 nHn; 28 RR)
% Number of literals : 118 ( 0 equ; 62 neg)
% Maximal clause size : 3 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 72 ( 36 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(clause4,negated_conjecture,
( f(a,a,b)
| ~ f(X1,z(X1,X2),z(X1,X2))
| ~ f(a,b,b) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause4) ).
cnf(clause2,negated_conjecture,
( f(a,b,b)
| ~ f(X1,X2,z(X2,X1))
| ~ f(a,a,b) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause2) ).
cnf(clause8,negated_conjecture,
( ~ f(b,b,X1)
| ~ f(a,a,b)
| ~ f(a,b,b) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause8) ).
cnf(clause6,negated_conjecture,
( f(X1,X2,z(X1,X2))
| ~ f(a,a,b)
| ~ f(a,b,b) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause6) ).
cnf(clause3,negated_conjecture,
( f(b,X1,X2)
| f(a,a,b)
| ~ f(a,b,b) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause3) ).
cnf(clause7,negated_conjecture,
( f(a,a,b)
| f(a,b,b)
| ~ f(b,b,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause7) ).
cnf(clause5,negated_conjecture,
( f(X1,X2,z(X1,X2))
| f(a,a,b)
| f(a,b,b) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause5) ).
cnf(clause1,negated_conjecture,
( f(a,b,X1)
| f(a,b,b)
| ~ f(a,a,b) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause1) ).
cnf(i_0_8,negated_conjecture,
( f(a,a,b)
| ~ f(X1,z(X1,X2),z(X1,X2))
| ~ f(a,b,b) ),
clause4,
[final] ).
cnf(i_0_9,negated_conjecture,
( f(a,b,b)
| ~ f(X1,X2,z(X2,X1))
| ~ f(a,a,b) ),
clause2,
[final] ).
cnf(i_0_10,negated_conjecture,
( ~ f(b,b,X1)
| ~ f(a,a,b)
| ~ f(a,b,b) ),
clause8,
[final] ).
cnf(i_0_11,negated_conjecture,
( f(X1,X2,z(X1,X2))
| ~ f(a,a,b)
| ~ f(a,b,b) ),
clause6,
[final] ).
cnf(i_0_12,negated_conjecture,
( f(b,X1,X2)
| f(a,a,b)
| ~ f(a,b,b) ),
clause3,
[final] ).
cnf(i_0_13,negated_conjecture,
( f(a,a,b)
| f(a,b,b)
| ~ f(b,b,X1) ),
clause7,
[final] ).
cnf(i_0_14,negated_conjecture,
( f(X1,X2,z(X1,X2))
| f(a,a,b)
| f(a,b,b) ),
clause5,
[final] ).
cnf(i_0_15,negated_conjecture,
( f(a,b,X1)
| f(a,b,b)
| ~ f(a,a,b) ),
clause1,
[final] ).
cnf(i_0_16,plain,
( ~ f(a,a,b)
| f(a,b,b) ),
nference(factoring_inference,[],[15]) ).
cnf(i_0_17,plain,
( ~ f(a,a,b)
| f(a,a,b)
| ~ f(X1,z(X1,X2),z(X1,X2)) ),
inference(scs_inference,[],[i_0_16,i_0_8]) ).
cnf(i_0_18,plain,
( ~ f(a,b,b)
| ~ f(X1,z(X1,X2),z(X1,X2))
| ~ f(b,b,X3) ),
inference(scs_inference,[],[i_0_10,i_0_8]) ).
cnf(i_0_19,plain,
( f(a,b,b)
| ~ f(a,b,b)
| f(b,X1,X2) ),
inference(scs_inference,[],[i_0_12,i_0_16]) ).
cnf(i_0_20,plain,
( f(a,a,b)
| f(b,X1,X2)
| ~ f(b,b,X3) ),
inference(scs_inference,[],[i_0_13,i_0_12]) ).
cnf(i_0_21,plain,
( f(a,b,b)
| f(b,X1,X2)
| ~ f(b,b,X3) ),
inference(scs_inference,[],[i_0_20,i_0_16]) ).
cnf(i_0_22,plain,
( ~ f(a,b,b)
| ~ f(X1,z(X1,X2),z(X1,X2))
| f(X3,X4,z(X3,X4)) ),
inference(scs_inference,[],[i_0_11,i_0_8]) ).
cnf(i_0_23,plain,
( f(a,a,b)
| f(X1,X2,z(X1,X2))
| f(b,X3,X4) ),
inference(scs_inference,[],[i_0_14,i_0_12]) ).
cnf(i_0_24,plain,
( f(a,a,b)
| ~ f(a,a,b)
| ~ f(a,b,b) ),
inference(scs_inference,[],[i_0_23,i_0_10]) ).
cnf(i_0_25,plain,
( f(X1,X2,z(X1,X2))
| ~ f(a,a,b)
| f(a,a,b) ),
inference(scs_inference,[],[i_0_17,i_0_23]) ).
cnf(i_0_26,plain,
( ~ f(a,a,b)
| f(a,a,b)
| f(b,X1,X2) ),
inference(scs_inference,[],[i_0_25,i_0_20]) ).
cnf(i_0_27,plain,
( ~ f(a,b,b)
| f(a,a,b)
| ~ f(b,b,X1) ),
inference(scs_inference,[],[i_0_18,i_0_12]) ).
cnf(i_0_28,plain,
( f(a,a,b)
| ~ f(a,a,b)
| ~ f(b,b,X1) ),
inference(scs_inference,[],[i_0_27,i_0_16]) ).
cnf(i_0_29,plain,
( f(X1,X2,z(X1,X2))
| ~ f(a,b,b)
| f(a,a,b) ),
inference(scs_inference,[],[i_0_22,i_0_12]) ).
cnf(i_0_30,plain,
( ~ f(a,b,b)
| f(a,a,b) ),
inference(scs_inference,[],[i_0_29,i_0_27]) ).
cnf(i_0_31,plain,
( f(a,a,b)
| ~ f(a,a,b) ),
inference(scs_inference,[],[i_0_30,i_0_16]) ).
cnf(i_0_32,plain,
( f(a,b,b)
| ~ f(a,b,b) ),
inference(scs_inference,[],[i_0_16,i_0_30]) ).
cnf(i_0_33,plain,
( ~ f(a,a,b)
| ~ f(b,b,X1) ),
inference(scs_inference,[],[i_0_16,i_0_10]) ).
cnf(i_0_34,plain,
( ~ f(a,b,b)
| ~ f(b,b,X1) ),
inference(scs_inference,[],[i_0_33,i_0_30]) ).
cnf(i_0_35,plain,
( f(a,a,b)
| ~ f(b,b,X1)
| ~ f(b,b,X2) ),
inference(scs_inference,[],[i_0_34,i_0_13]) ).
cnf(i_0_36,plain,
( f(a,b,b)
| ~ f(b,b,X1)
| ~ f(b,b,X2) ),
inference(scs_inference,[],[i_0_35,i_0_16]) ).
cnf(i_0_37,plain,
( ~ f(b,b,X1)
| ~ f(b,b,X2)
| ~ f(b,b,X3) ),
inference(scs_inference,[],[i_0_36,i_0_34]) ).
cnf(i_0_38,plain,
f(a,a,b),
inference(scs_inference,[],[i_0_37,i_0_23]) ).
cnf(i_0_39,plain,
( ~ f(a,b,b)
| f(X1,X2,z(X1,X2)) ),
inference(scs_inference,[],[i_0_38,i_0_11]) ).
cnf(i_0_40,plain,
f(a,b,b),
inference(scs_inference,[],[i_0_38,i_0_16]) ).
cnf(i_0_41,plain,
~ f(b,b,X1),
inference(scs_inference,[],[i_0_38,i_0_33]) ).
cnf(i_0_42,plain,
( ~ f(X1,z(X1,X2),z(X1,X2))
| f(X3,X4,z(X3,X4)) ),
inference(scs_inference,[],[i_0_40,i_0_22]) ).
cnf(i_0_43,plain,
f(a,b,b),
inference(scs_inference,[],[i_0_40,i_0_32]) ).
cnf(i_0_44,plain,
~ f(b,b,X1),
inference(scs_inference,[],[i_0_40,i_0_34]) ).
cnf(i_0_45,plain,
$false,
inference(scs_inference,[],[i_0_40,i_0_41,i_0_39]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SYN345-1 : TPTP v9.2.1. Released v1.2.0.
% 0.00/0.12 % Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.16/0.33 % Computer : n015.cluster.edu
% 0.16/0.33 % Model : x86_64 x86_64
% 0.16/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33 % Memory : 8042.1875MB
% 0.16/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33 % CPULimit : 300
% 0.16/0.33 % WCLimit : 300
% 0.16/0.33 % DateTime : Tue May 5 08:29:47 EDT 2026
% 0.16/0.33 % CPUTime :
% 0.16/0.34 % start to proof: theBenchmark
% 0.27/1.62 % Version : CSE_E---1.7
% 0.27/1.62 % Problem : theBenchmark.p
% 0.27/1.62 % SZS status Unsatisfiable for theBenchmark.p
% 0.27/1.62 % SZS output start CNFRefutation
% See solution above
% 0.27/1.67 % Total time : 1.271s
%------------------------------------------------------------------------------