%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : PLA031-1.004 : TPTP v9.2.1. Released v3.5.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n016.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 05:01:26 PM UTC 2026
% Result : Unsatisfiable 12.95s 7.77s
% Output : CNFRefutation 13.06s
% Verified :
% SZS Type : Refutation
% Derivation depth : 25
% Number of leaves : 27
% Syntax : Number of clauses : 84 ( 40 unt; 0 nHn; 84 RR)
% Number of literals : 152 ( 0 equ; 70 neg)
% Maximal clause size : 4 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-9 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 302 ( 4 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(load13,axiom,
( s(X1,X2,X3,truck1,X5,X6,X7,X4,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X4,X8) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load13) ).
cnf(init,axiom,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',init) ).
cnf(walk3,axiom,
( s(X1,X2,X3,X4,X5,X6,X10,X8,X9)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8,X9)
| ~ path(X7,X10) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',walk3) ).
cnf(board9,axiom,
( s(X1,X2,X3,X4,X5,X6,truck1,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X7,X8)
| ~ neq(X5,truck1)
| ~ neq(X6,truck1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board9) ).
cnf(neq37,axiom,
neq(s2,truck1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq37) ).
cnf(neq28,axiom,
neq(s1,truck1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq28) ).
cnf(map9,axiom,
path(s2,p2_0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map9) ).
cnf(map12,axiom,
path(p2_0,s0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map12) ).
cnf(drive5,axiom,
( s(X1,X2,X3,X4,X5,X6,truck1,X9,X8)
| ~ s(X1,X2,X3,X4,X5,X6,truck1,X7,X8)
| ~ link(X7,X9) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',drive5) ).
cnf(map13,axiom,
link(s0,s2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map13) ).
cnf(load14,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X4,X8)
| ~ s(X1,X2,X3,truck1,X5,X6,X7,X4,X8) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load14) ).
cnf(load9,axiom,
( s(X1,X2,truck1,X4,X5,X6,X7,X3,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X3,X8) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load9) ).
cnf(map17,axiom,
link(s2,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map17) ).
cnf(load10,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X3,X8)
| ~ s(X1,X2,truck1,X4,X5,X6,X7,X3,X8) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load10) ).
cnf(load1,axiom,
( s(truck1,X2,X3,X4,X5,X6,X7,X1,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X1,X8) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load1) ).
cnf(map15,axiom,
link(s1,s0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map15) ).
cnf(board3,axiom,
( s(X1,X2,X3,X4,truck2,X6,X7,X8,X5)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8,X5)
| ~ neq(X6,truck2)
| ~ neq(X7,truck2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board3) ).
cnf(neq20,axiom,
neq(s0,truck2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq20) ).
cnf(board10,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,truck1,X7,X8) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board10) ).
cnf(neq38,axiom,
neq(s2,truck2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq38) ).
cnf(load2,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X1,X8)
| ~ s(truck1,X2,X3,X4,X5,X6,X7,X1,X8) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load2) ).
cnf(drive2,axiom,
( s(X1,X2,X3,X4,truck2,X5,X6,X7,X9)
| ~ s(X1,X2,X3,X4,truck2,X5,X6,X7,X8)
| ~ link(X8,X9) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',drive2) ).
cnf(board7,axiom,
( s(X1,X2,X3,X4,X5,truck2,X7,X8,X6)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8,X6)
| ~ neq(X5,truck2)
| ~ neq(X7,truck2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board7) ).
cnf(map18,axiom,
link(s1,s2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map18) ).
cnf(board4,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X8,X5)
| ~ s(X1,X2,X3,X4,truck2,X6,X7,X8,X5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board4) ).
cnf(drive4,axiom,
( s(X1,X2,X3,X4,X5,truck2,X6,X7,X9)
| ~ s(X1,X2,X3,X4,X5,truck2,X6,X7,X8)
| ~ link(X8,X9) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',drive4) ).
cnf(goal,negated_conjecture,
~ s(s0,s0,s1,s2,s2,X1,X2,s0,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goal) ).
cnf(c_0_27,axiom,
( s(X1,X2,X3,truck1,X5,X6,X7,X4,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X4,X8) ),
load13 ).
cnf(c_0_28,axiom,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1),
init ).
cnf(c_0_29,axiom,
( s(X1,X2,X3,X4,X5,X6,X10,X8,X9)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8,X9)
| ~ path(X7,X10) ),
walk3 ).
cnf(c_0_30,plain,
s(s1,s0,s2,truck1,s1,s2,s2,s0,s1),
inference(spm,[status(thm)],[c_0_27,c_0_28]) ).
cnf(c_0_31,axiom,
( s(X1,X2,X3,X4,X5,X6,truck1,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X7,X8)
| ~ neq(X5,truck1)
| ~ neq(X6,truck1) ),
board9 ).
cnf(c_0_32,axiom,
neq(s2,truck1),
neq37 ).
cnf(c_0_33,plain,
( s(s1,s0,s2,truck1,s1,s2,X1,s0,s1)
| ~ path(s2,X1) ),
inference(spm,[status(thm)],[c_0_29,c_0_30]) ).
cnf(c_0_34,plain,
( s(X1,X2,X3,X4,X5,s2,truck1,X6,X7)
| ~ neq(X5,truck1)
| ~ s(X1,X2,X3,X4,X5,s2,X6,X6,X7) ),
inference(spm,[status(thm)],[c_0_31,c_0_32]) ).
cnf(c_0_35,axiom,
neq(s1,truck1),
neq28 ).
cnf(c_0_36,plain,
( s(s1,s0,s2,truck1,s1,s2,X1,s0,s1)
| ~ path(s2,X2)
| ~ path(X2,X1) ),
inference(spm,[status(thm)],[c_0_29,c_0_33]) ).
cnf(c_0_37,axiom,
path(s2,p2_0),
map9 ).
cnf(c_0_38,plain,
( s(X1,X2,X3,X4,s1,s2,truck1,X5,X6)
| ~ s(X1,X2,X3,X4,s1,s2,X5,X5,X6) ),
inference(spm,[status(thm)],[c_0_34,c_0_35]) ).
cnf(c_0_39,plain,
( s(s1,s0,s2,truck1,s1,s2,X1,s0,s1)
| ~ path(p2_0,X1) ),
inference(spm,[status(thm)],[c_0_36,c_0_37]) ).
cnf(c_0_40,axiom,
path(p2_0,s0),
map12 ).
cnf(c_0_41,axiom,
( s(X1,X2,X3,X4,X5,X6,truck1,X9,X8)
| ~ s(X1,X2,X3,X4,X5,X6,truck1,X7,X8)
| ~ link(X7,X9) ),
drive5 ).
cnf(c_0_42,plain,
s(s1,s0,s2,truck1,s1,s2,truck1,s0,s1),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_39]),c_0_40])]) ).
cnf(c_0_43,plain,
( s(s1,s0,s2,truck1,s1,s2,truck1,X1,s1)
| ~ link(s0,X1) ),
inference(spm,[status(thm)],[c_0_41,c_0_42]) ).
cnf(c_0_44,axiom,
link(s0,s2),
map13 ).
cnf(c_0_45,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X4,X8)
| ~ s(X1,X2,X3,truck1,X5,X6,X7,X4,X8) ),
load14 ).
cnf(c_0_46,plain,
s(s1,s0,s2,truck1,s1,s2,truck1,s2,s1),
inference(spm,[status(thm)],[c_0_43,c_0_44]) ).
cnf(c_0_47,axiom,
( s(X1,X2,truck1,X4,X5,X6,X7,X3,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X3,X8) ),
load9 ).
cnf(c_0_48,plain,
s(s1,s0,s2,s2,s1,s2,truck1,s2,s1),
inference(spm,[status(thm)],[c_0_45,c_0_46]) ).
cnf(c_0_49,plain,
s(s1,s0,truck1,s2,s1,s2,truck1,s2,s1),
inference(spm,[status(thm)],[c_0_47,c_0_48]) ).
cnf(c_0_50,plain,
( s(s1,s0,truck1,s2,s1,s2,truck1,X1,s1)
| ~ link(s2,X1) ),
inference(spm,[status(thm)],[c_0_41,c_0_49]) ).
cnf(c_0_51,axiom,
link(s2,s1),
map17 ).
cnf(c_0_52,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X3,X8)
| ~ s(X1,X2,truck1,X4,X5,X6,X7,X3,X8) ),
load10 ).
cnf(c_0_53,plain,
s(s1,s0,truck1,s2,s1,s2,truck1,s1,s1),
inference(spm,[status(thm)],[c_0_50,c_0_51]) ).
cnf(c_0_54,axiom,
( s(truck1,X2,X3,X4,X5,X6,X7,X1,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X1,X8) ),
load1 ).
cnf(c_0_55,plain,
s(s1,s0,s1,s2,s1,s2,truck1,s1,s1),
inference(spm,[status(thm)],[c_0_52,c_0_53]) ).
cnf(c_0_56,plain,
s(truck1,s0,s1,s2,s1,s2,truck1,s1,s1),
inference(spm,[status(thm)],[c_0_54,c_0_55]) ).
cnf(c_0_57,plain,
( s(truck1,s0,s1,s2,s1,s2,truck1,X1,s1)
| ~ link(s1,X1) ),
inference(spm,[status(thm)],[c_0_41,c_0_56]) ).
cnf(c_0_58,axiom,
link(s1,s0),
map15 ).
cnf(c_0_59,axiom,
( s(X1,X2,X3,X4,truck2,X6,X7,X8,X5)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8,X5)
| ~ neq(X6,truck2)
| ~ neq(X7,truck2) ),
board3 ).
cnf(c_0_60,axiom,
neq(s0,truck2),
neq20 ).
cnf(c_0_61,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,truck1,X7,X8) ),
board10 ).
cnf(c_0_62,plain,
s(truck1,s0,s1,s2,s1,s2,truck1,s0,s1),
inference(spm,[status(thm)],[c_0_57,c_0_58]) ).
cnf(c_0_63,plain,
( s(X1,X2,X3,X4,truck2,X5,s0,X6,X7)
| ~ neq(X5,truck2)
| ~ s(X1,X2,X3,X4,X7,X5,s0,X6,X7) ),
inference(spm,[status(thm)],[c_0_59,c_0_60]) ).
cnf(c_0_64,axiom,
neq(s2,truck2),
neq38 ).
cnf(c_0_65,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X1,X8)
| ~ s(truck1,X2,X3,X4,X5,X6,X7,X1,X8) ),
load2 ).
cnf(c_0_66,plain,
s(truck1,s0,s1,s2,s1,s2,s0,s0,s1),
inference(spm,[status(thm)],[c_0_61,c_0_62]) ).
cnf(c_0_67,plain,
( s(X1,X2,X3,X4,truck2,s2,s0,X5,X6)
| ~ s(X1,X2,X3,X4,X6,s2,s0,X5,X6) ),
inference(spm,[status(thm)],[c_0_63,c_0_64]) ).
cnf(c_0_68,plain,
s(s0,s0,s1,s2,s1,s2,s0,s0,s1),
inference(spm,[status(thm)],[c_0_65,c_0_66]) ).
cnf(c_0_69,axiom,
( s(X1,X2,X3,X4,truck2,X5,X6,X7,X9)
| ~ s(X1,X2,X3,X4,truck2,X5,X6,X7,X8)
| ~ link(X8,X9) ),
drive2 ).
cnf(c_0_70,plain,
s(s0,s0,s1,s2,truck2,s2,s0,s0,s1),
inference(spm,[status(thm)],[c_0_67,c_0_68]) ).
cnf(c_0_71,axiom,
( s(X1,X2,X3,X4,X5,truck2,X7,X8,X6)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8,X6)
| ~ neq(X5,truck2)
| ~ neq(X7,truck2) ),
board7 ).
cnf(c_0_72,plain,
( s(s0,s0,s1,s2,truck2,s2,s0,s0,X1)
| ~ link(s1,X1) ),
inference(spm,[status(thm)],[c_0_69,c_0_70]) ).
cnf(c_0_73,axiom,
link(s1,s2),
map18 ).
cnf(c_0_74,plain,
( s(X1,X2,X3,X4,X5,truck2,s0,X6,X7)
| ~ neq(X5,truck2)
| ~ s(X1,X2,X3,X4,X5,X7,s0,X6,X7) ),
inference(spm,[status(thm)],[c_0_71,c_0_60]) ).
cnf(c_0_75,axiom,
( s(X1,X2,X3,X4,X5,X6,X7,X8,X5)
| ~ s(X1,X2,X3,X4,truck2,X6,X7,X8,X5) ),
board4 ).
cnf(c_0_76,plain,
s(s0,s0,s1,s2,truck2,s2,s0,s0,s2),
inference(spm,[status(thm)],[c_0_72,c_0_73]) ).
cnf(c_0_77,plain,
( s(X1,X2,X3,X4,s2,truck2,s0,X5,X6)
| ~ s(X1,X2,X3,X4,s2,X6,s0,X5,X6) ),
inference(spm,[status(thm)],[c_0_74,c_0_64]) ).
cnf(c_0_78,plain,
s(s0,s0,s1,s2,s2,s2,s0,s0,s2),
inference(spm,[status(thm)],[c_0_75,c_0_76]) ).
cnf(c_0_79,axiom,
( s(X1,X2,X3,X4,X5,truck2,X6,X7,X9)
| ~ s(X1,X2,X3,X4,X5,truck2,X6,X7,X8)
| ~ link(X8,X9) ),
drive4 ).
cnf(c_0_80,plain,
s(s0,s0,s1,s2,s2,truck2,s0,s0,s2),
inference(spm,[status(thm)],[c_0_77,c_0_78]) ).
cnf(c_0_81,plain,
( s(s0,s0,s1,s2,s2,truck2,s0,s0,X1)
| ~ link(s2,X1) ),
inference(spm,[status(thm)],[c_0_79,c_0_80]) ).
cnf(c_0_82,negated_conjecture,
~ s(s0,s0,s1,s2,s2,X1,X2,s0,s1),
goal ).
cnf(c_0_83,plain,
$false,
inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_81,c_0_51]),c_0_82]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PLA031-1.004 : TPTP v9.2.1. Released v3.5.0.
% 0.00/0.12 % Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.14/0.33 % Computer : n016.cluster.edu
% 0.14/0.33 % Model : x86_64 x86_64
% 0.14/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33 % Memory : 8042.1875MB
% 0.14/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33 % CPULimit : 300
% 0.14/0.33 % WCLimit : 300
% 0.14/0.33 % DateTime : Tue May 5 01:28:51 EDT 2026
% 0.14/0.33 % CPUTime :
% 0.14/0.34 % start to proof: theBenchmark
% 12.95/7.77 % Version : CSE_E---1.7
% 12.95/7.77 % Problem : theBenchmark.p
% 12.95/7.77 % SZS status Unsatisfiable for theBenchmark.p
% 12.95/7.77 % SZS output start CNFRefutation
% See solution above
% 13.06/7.80 % Total time : 6.380s
%------------------------------------------------------------------------------