%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : SWC320-1 : TPTP v9.2.1. Released v2.4.0.
% 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 : n012.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 05:19:10 PM UTC 2026
% Result : Unsatisfiable 1.14s 1.61s
% Output : CNFRefutation 1.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 14
% Syntax : Number of clauses : 50 ( 12 unt; 7 nHn; 50 RR)
% Number of literals : 109 ( 56 equ; 57 neg)
% Maximal clause size : 5 ( 2 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 7 con; 0-2 aty)
% Number of variables : 20 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(co1_14,negated_conjecture,
( neq(sk2,nil)
| nil != sk1 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).
cnf(co1_5,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
cnf(co1_11,negated_conjecture,
( app(sk6,cons(sk5,nil)) = sk4
| ~ neq(sk4,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_11) ).
cnf(co1_9,negated_conjecture,
( ssList(sk6)
| ~ neq(sk4,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).
cnf(co1_7,negated_conjecture,
( nil = sk3
| nil != sk4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
cnf(co1_6,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
cnf(clause119,axiom,
( nil = X2
| app(X1,X2) != nil
| ~ ssList(X2)
| ~ ssList(X1) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause119) ).
cnf(clause86,axiom,
( ssList(cons(X1,X2))
| ~ ssItem(X1)
| ~ ssList(X2) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause86) ).
cnf(clause8,axiom,
ssList(nil),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause8) ).
cnf(clause99,axiom,
( cons(X1,X2) != X2
| ~ ssItem(X1)
| ~ ssList(X2) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause99) ).
cnf(co1_8,negated_conjecture,
( ssItem(sk5)
| ~ neq(sk4,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).
cnf(co1_12,negated_conjecture,
( nil = sk2
| neq(sk2,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_12) ).
cnf(co1_10,negated_conjecture,
( app(cons(sk5,nil),sk6) = sk3
| ~ neq(sk4,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_10) ).
cnf(co1_13,negated_conjecture,
( nil = sk2
| ~ ssItem(X1)
| ~ ssList(X2)
| app(cons(X1,nil),X2) != sk1
| app(X2,cons(X1,nil)) != sk2 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_13) ).
cnf(c_0_14,negated_conjecture,
( neq(sk2,nil)
| nil != sk1 ),
co1_14 ).
cnf(c_0_15,negated_conjecture,
sk2 = sk4,
co1_5 ).
cnf(c_0_16,negated_conjecture,
( app(sk6,cons(sk5,nil)) = sk4
| ~ neq(sk4,nil) ),
co1_11 ).
cnf(c_0_17,negated_conjecture,
( neq(sk4,nil)
| sk1 != nil ),
inference(rw,[status(thm)],[c_0_14,c_0_15]) ).
cnf(c_0_18,negated_conjecture,
( ssList(sk6)
| ~ neq(sk4,nil) ),
co1_9 ).
cnf(c_0_19,negated_conjecture,
( nil = sk3
| nil != sk4 ),
co1_7 ).
cnf(c_0_20,negated_conjecture,
sk1 = sk3,
co1_6 ).
cnf(c_0_21,axiom,
( nil = X2
| app(X1,X2) != nil
| ~ ssList(X2)
| ~ ssList(X1) ),
clause119 ).
cnf(c_0_22,negated_conjecture,
( app(sk6,cons(sk5,nil)) = sk4
| sk1 != nil ),
inference(spm,[status(thm)],[c_0_16,c_0_17]) ).
cnf(c_0_23,negated_conjecture,
( ssList(sk6)
| sk1 != nil ),
inference(spm,[status(thm)],[c_0_18,c_0_17]) ).
cnf(c_0_24,negated_conjecture,
( sk1 = nil
| sk4 != nil ),
inference(rw,[status(thm)],[c_0_19,c_0_20]) ).
cnf(c_0_25,negated_conjecture,
( cons(sk5,nil) = nil
| sk4 != nil
| ~ ssList(cons(sk5,nil)) ),
inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_23]),c_0_24]) ).
cnf(c_0_26,axiom,
( ssList(cons(X1,X2))
| ~ ssItem(X1)
| ~ ssList(X2) ),
clause86 ).
cnf(c_0_27,axiom,
ssList(nil),
clause8 ).
cnf(c_0_28,axiom,
( cons(X1,X2) != X2
| ~ ssItem(X1)
| ~ ssList(X2) ),
clause99 ).
cnf(c_0_29,negated_conjecture,
( cons(sk5,nil) = nil
| sk4 != nil
| ~ ssItem(sk5) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_26]),c_0_27])]) ).
cnf(c_0_30,negated_conjecture,
( ssItem(sk5)
| ~ neq(sk4,nil) ),
co1_8 ).
cnf(c_0_31,negated_conjecture,
( nil = sk2
| neq(sk2,nil) ),
co1_12 ).
cnf(c_0_32,negated_conjecture,
( app(cons(sk5,nil),sk6) = sk3
| ~ neq(sk4,nil) ),
co1_10 ).
cnf(c_0_33,negated_conjecture,
( nil = sk2
| ~ ssItem(X1)
| ~ ssList(X2)
| app(cons(X1,nil),X2) != sk1
| app(X2,cons(X1,nil)) != sk2 ),
co1_13 ).
cnf(c_0_34,negated_conjecture,
( sk4 != nil
| ~ ssItem(sk5) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_29]),c_0_27])]) ).
cnf(c_0_35,negated_conjecture,
( ssItem(sk5)
| sk1 != nil ),
inference(spm,[status(thm)],[c_0_30,c_0_17]) ).
cnf(c_0_36,negated_conjecture,
( sk4 = nil
| neq(sk4,nil) ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_31,c_0_15]),c_0_15]) ).
cnf(c_0_37,negated_conjecture,
( app(cons(sk5,nil),sk6) = sk1
| ~ neq(sk4,nil) ),
inference(rw,[status(thm)],[c_0_32,c_0_20]) ).
cnf(c_0_38,negated_conjecture,
( sk4 = nil
| app(X1,cons(X2,nil)) != sk4
| app(cons(X2,nil),X1) != sk1
| ~ ssItem(X2)
| ~ ssList(X1) ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_33,c_0_15]),c_0_15]) ).
cnf(c_0_39,negated_conjecture,
sk4 != nil,
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_34,c_0_35]),c_0_24]) ).
cnf(c_0_40,negated_conjecture,
( app(sk6,cons(sk5,nil)) = sk4
| sk4 = nil ),
inference(spm,[status(thm)],[c_0_16,c_0_36]) ).
cnf(c_0_41,negated_conjecture,
( app(cons(sk5,nil),sk6) = sk1
| sk4 = nil ),
inference(spm,[status(thm)],[c_0_37,c_0_36]) ).
cnf(c_0_42,negated_conjecture,
( sk4 = nil
| ssItem(sk5) ),
inference(spm,[status(thm)],[c_0_30,c_0_36]) ).
cnf(c_0_43,negated_conjecture,
( sk4 = nil
| ssList(sk6) ),
inference(spm,[status(thm)],[c_0_18,c_0_36]) ).
cnf(c_0_44,negated_conjecture,
( app(X1,cons(X2,nil)) != sk4
| app(cons(X2,nil),X1) != sk1
| ~ ssItem(X2)
| ~ ssList(X1) ),
inference(sr,[status(thm)],[c_0_38,c_0_39]) ).
cnf(c_0_45,negated_conjecture,
app(sk6,cons(sk5,nil)) = sk4,
inference(sr,[status(thm)],[c_0_40,c_0_39]) ).
cnf(c_0_46,negated_conjecture,
app(cons(sk5,nil),sk6) = sk1,
inference(sr,[status(thm)],[c_0_41,c_0_39]) ).
cnf(c_0_47,negated_conjecture,
ssItem(sk5),
inference(sr,[status(thm)],[c_0_42,c_0_39]) ).
cnf(c_0_48,negated_conjecture,
ssList(sk6),
inference(sr,[status(thm)],[c_0_43,c_0_39]) ).
cnf(c_0_49,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_45]),c_0_46]),c_0_47]),c_0_48])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.06 % Problem : SWC320-1 : TPTP v9.2.1. Released v2.4.0.
% 0.00/0.06 % 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
% 0.06/0.24 % Computer : n012.cluster.edu
% 0.06/0.24 % Model : x86_64 x86_64
% 0.06/0.24 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.24 % Memory : 8042.1875MB
% 0.06/0.24 % OS : Linux 3.10.0-693.el7.x86_64
% 0.06/0.24 % CPULimit : 300
% 0.06/0.24 % WCLimit : 300
% 0.06/0.24 % DateTime : Tue May 5 04:43:31 EDT 2026
% 0.06/0.24 % CPUTime :
% 0.06/0.25 % start to proof: theBenchmark
% 1.14/1.61 % Version : CSE_E---1.7
% 1.14/1.61 % Problem : theBenchmark.p
% 1.14/1.61 % SZS status Unsatisfiable for theBenchmark.p
% 1.14/1.61 % SZS output start CNFRefutation
% See solution above
% 1.14/1.61 % Total time : 1.361s
%------------------------------------------------------------------------------