%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : PLA031-1.003 : TPTP v9.2.1. Released v3.5.0.
% 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 05:01:26 PM UTC 2026
% Result : Unsatisfiable 39.29s 21.72s
% Output : CNFRefutation 39.29s
% Verified :
% SZS Type : Refutation
% Derivation depth : 29
% Number of leaves : 25
% Syntax : Number of clauses : 80 ( 39 unt; 0 nHn; 80 RR)
% Number of literals : 136 ( 0 equ; 58 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-8 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 226 ( 4 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(walk1,axiom,
( s(X1,X2,X3,X4,X9,X6,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8)
| ~ path(X5,X9) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',walk1) ).
cnf(init,axiom,
s(s1,s2,s2,s0,s2,s0,s1,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',init) ).
cnf(board1,axiom,
( s(X1,X2,X3,X4,truck1,X6,X5,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X5,X7)
| ~ neq(X6,truck1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',board1) ).
cnf(neq17,axiom,
neq(s0,truck1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',neq17) ).
cnf(map7,axiom,
path(s2,p1_2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map7) ).
cnf(map6,axiom,
path(p1_2,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map6) ).
cnf(load1,axiom,
( s(truck1,X2,X3,X4,X5,X6,X1,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X1,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load1) ).
cnf(walk2,axiom,
( s(X1,X2,X3,X4,X5,X9,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8)
| ~ path(X6,X9) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',walk2) ).
cnf(map1,axiom,
path(s0,p0_1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map1) ).
cnf(drive1,axiom,
( s(X1,X2,X3,X4,truck1,X5,X8,X7)
| ~ s(X1,X2,X3,X4,truck1,X5,X6,X7)
| ~ link(X6,X8) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',drive1) ).
cnf(map4,axiom,
path(p0_1,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map4) ).
cnf(map13,axiom,
link(s1,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map13) ).
cnf(load2,axiom,
( s(X1,X2,X3,X4,X5,X6,X1,X7)
| ~ s(truck1,X2,X3,X4,X5,X6,X1,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load2) ).
cnf(load9,axiom,
( s(X1,X2,truck1,X4,X5,X6,X3,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X3,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load9) ).
cnf(map15,axiom,
link(s2,s0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map15) ).
cnf(load10,axiom,
( s(X1,X2,X3,X4,X5,X6,X3,X7)
| ~ s(X1,X2,truck1,X4,X5,X6,X3,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load10) ).
cnf(load13,axiom,
( s(X1,X2,X3,truck1,X5,X6,X4,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X4,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load13) ).
cnf(map16,axiom,
link(s0,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map16) ).
cnf(load14,axiom,
( s(X1,X2,X3,X4,X5,X6,X4,X7)
| ~ s(X1,X2,X3,truck1,X5,X6,X4,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load14) ).
cnf(map14,axiom,
link(s2,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map14) ).
cnf(board5,axiom,
( s(X1,X2,X3,X4,X5,truck1,X6,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X6,X7)
| ~ neq(X5,truck1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',board5) ).
cnf(neq25,axiom,
neq(s1,truck1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',neq25) ).
cnf(board2,axiom,
( s(X1,X2,X3,X4,X5,X6,X5,X7)
| ~ s(X1,X2,X3,X4,truck1,X6,X5,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',board2) ).
cnf(drive3,axiom,
( s(X1,X2,X3,X4,X5,truck1,X8,X7)
| ~ s(X1,X2,X3,X4,X5,truck1,X6,X7)
| ~ link(X6,X8) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',drive3) ).
cnf(goal,negated_conjecture,
~ s(s2,s2,s0,s2,s1,X1,s0,X2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal) ).
cnf(c_0_25,axiom,
( s(X1,X2,X3,X4,X9,X6,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8)
| ~ path(X5,X9) ),
walk1 ).
cnf(c_0_26,axiom,
s(s1,s2,s2,s0,s2,s0,s1,s1),
init ).
cnf(c_0_27,plain,
( s(s1,s2,s2,s0,X1,s0,s1,s1)
| ~ path(s2,X1) ),
inference(spm,[status(thm)],[c_0_25,c_0_26]) ).
cnf(c_0_28,axiom,
( s(X1,X2,X3,X4,truck1,X6,X5,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X5,X7)
| ~ neq(X6,truck1) ),
board1 ).
cnf(c_0_29,axiom,
neq(s0,truck1),
neq17 ).
cnf(c_0_30,plain,
( s(s1,s2,s2,s0,X1,s0,s1,s1)
| ~ path(s2,X2)
| ~ path(X2,X1) ),
inference(spm,[status(thm)],[c_0_25,c_0_27]) ).
cnf(c_0_31,axiom,
path(s2,p1_2),
map7 ).
cnf(c_0_32,plain,
( s(X1,X2,X3,X4,truck1,s0,X5,X6)
| ~ s(X1,X2,X3,X4,X5,s0,X5,X6) ),
inference(spm,[status(thm)],[c_0_28,c_0_29]) ).
cnf(c_0_33,plain,
( s(s1,s2,s2,s0,X1,s0,s1,s1)
| ~ path(p1_2,X1) ),
inference(spm,[status(thm)],[c_0_30,c_0_31]) ).
cnf(c_0_34,axiom,
path(p1_2,s1),
map6 ).
cnf(c_0_35,axiom,
( s(truck1,X2,X3,X4,X5,X6,X1,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X1,X7) ),
load1 ).
cnf(c_0_36,plain,
s(s1,s2,s2,s0,truck1,s0,s1,s1),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_32,c_0_33]),c_0_34])]) ).
cnf(c_0_37,axiom,
( s(X1,X2,X3,X4,X5,X9,X7,X8)
| ~ s(X1,X2,X3,X4,X5,X6,X7,X8)
| ~ path(X6,X9) ),
walk2 ).
cnf(c_0_38,plain,
s(truck1,s2,s2,s0,truck1,s0,s1,s1),
inference(spm,[status(thm)],[c_0_35,c_0_36]) ).
cnf(c_0_39,plain,
( s(truck1,s2,s2,s0,truck1,X1,s1,s1)
| ~ path(s0,X1) ),
inference(spm,[status(thm)],[c_0_37,c_0_38]) ).
cnf(c_0_40,plain,
( s(truck1,s2,s2,s0,truck1,X1,s1,s1)
| ~ path(s0,X2)
| ~ path(X2,X1) ),
inference(spm,[status(thm)],[c_0_37,c_0_39]) ).
cnf(c_0_41,axiom,
path(s0,p0_1),
map1 ).
cnf(c_0_42,axiom,
( s(X1,X2,X3,X4,truck1,X5,X8,X7)
| ~ s(X1,X2,X3,X4,truck1,X5,X6,X7)
| ~ link(X6,X8) ),
drive1 ).
cnf(c_0_43,plain,
( s(truck1,s2,s2,s0,truck1,X1,s1,s1)
| ~ path(p0_1,X1) ),
inference(spm,[status(thm)],[c_0_40,c_0_41]) ).
cnf(c_0_44,plain,
( s(truck1,s2,s2,s0,truck1,X1,X2,s1)
| ~ path(p0_1,X1)
| ~ link(s1,X2) ),
inference(spm,[status(thm)],[c_0_42,c_0_43]) ).
cnf(c_0_45,axiom,
path(p0_1,s1),
map4 ).
cnf(c_0_46,plain,
( s(truck1,s2,s2,s0,truck1,s1,X1,s1)
| ~ link(s1,X1) ),
inference(spm,[status(thm)],[c_0_44,c_0_45]) ).
cnf(c_0_47,axiom,
link(s1,s2),
map13 ).
cnf(c_0_48,axiom,
( s(X1,X2,X3,X4,X5,X6,X1,X7)
| ~ s(truck1,X2,X3,X4,X5,X6,X1,X7) ),
load2 ).
cnf(c_0_49,plain,
s(truck1,s2,s2,s0,truck1,s1,s2,s1),
inference(spm,[status(thm)],[c_0_46,c_0_47]) ).
cnf(c_0_50,axiom,
( s(X1,X2,truck1,X4,X5,X6,X3,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X3,X7) ),
load9 ).
cnf(c_0_51,plain,
s(s2,s2,s2,s0,truck1,s1,s2,s1),
inference(spm,[status(thm)],[c_0_48,c_0_49]) ).
cnf(c_0_52,plain,
s(s2,s2,truck1,s0,truck1,s1,s2,s1),
inference(spm,[status(thm)],[c_0_50,c_0_51]) ).
cnf(c_0_53,plain,
( s(s2,s2,truck1,s0,truck1,s1,X1,s1)
| ~ link(s2,X1) ),
inference(spm,[status(thm)],[c_0_42,c_0_52]) ).
cnf(c_0_54,axiom,
link(s2,s0),
map15 ).
cnf(c_0_55,axiom,
( s(X1,X2,X3,X4,X5,X6,X3,X7)
| ~ s(X1,X2,truck1,X4,X5,X6,X3,X7) ),
load10 ).
cnf(c_0_56,plain,
s(s2,s2,truck1,s0,truck1,s1,s0,s1),
inference(spm,[status(thm)],[c_0_53,c_0_54]) ).
cnf(c_0_57,axiom,
( s(X1,X2,X3,truck1,X5,X6,X4,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X4,X7) ),
load13 ).
cnf(c_0_58,plain,
s(s2,s2,s0,s0,truck1,s1,s0,s1),
inference(spm,[status(thm)],[c_0_55,c_0_56]) ).
cnf(c_0_59,plain,
s(s2,s2,s0,truck1,truck1,s1,s0,s1),
inference(spm,[status(thm)],[c_0_57,c_0_58]) ).
cnf(c_0_60,plain,
( s(s2,s2,s0,truck1,truck1,s1,X1,s1)
| ~ link(s0,X1) ),
inference(spm,[status(thm)],[c_0_42,c_0_59]) ).
cnf(c_0_61,axiom,
link(s0,s2),
map16 ).
cnf(c_0_62,axiom,
( s(X1,X2,X3,X4,X5,X6,X4,X7)
| ~ s(X1,X2,X3,truck1,X5,X6,X4,X7) ),
load14 ).
cnf(c_0_63,plain,
s(s2,s2,s0,truck1,truck1,s1,s2,s1),
inference(spm,[status(thm)],[c_0_60,c_0_61]) ).
cnf(c_0_64,plain,
s(s2,s2,s0,s2,truck1,s1,s2,s1),
inference(spm,[status(thm)],[c_0_62,c_0_63]) ).
cnf(c_0_65,plain,
( s(s2,s2,s0,s2,truck1,s1,X1,s1)
| ~ link(s2,X1) ),
inference(spm,[status(thm)],[c_0_42,c_0_64]) ).
cnf(c_0_66,axiom,
link(s2,s1),
map14 ).
cnf(c_0_67,axiom,
( s(X1,X2,X3,X4,X5,truck1,X6,X7)
| ~ s(X1,X2,X3,X4,X5,X6,X6,X7)
| ~ neq(X5,truck1) ),
board5 ).
cnf(c_0_68,axiom,
neq(s1,truck1),
neq25 ).
cnf(c_0_69,axiom,
( s(X1,X2,X3,X4,X5,X6,X5,X7)
| ~ s(X1,X2,X3,X4,truck1,X6,X5,X7) ),
board2 ).
cnf(c_0_70,plain,
s(s2,s2,s0,s2,truck1,s1,s1,s1),
inference(spm,[status(thm)],[c_0_65,c_0_66]) ).
cnf(c_0_71,plain,
( s(X1,X2,X3,X4,s1,truck1,X5,X6)
| ~ s(X1,X2,X3,X4,s1,X5,X5,X6) ),
inference(spm,[status(thm)],[c_0_67,c_0_68]) ).
cnf(c_0_72,plain,
s(s2,s2,s0,s2,s1,s1,s1,s1),
inference(spm,[status(thm)],[c_0_69,c_0_70]) ).
cnf(c_0_73,axiom,
( s(X1,X2,X3,X4,X5,truck1,X8,X7)
| ~ s(X1,X2,X3,X4,X5,truck1,X6,X7)
| ~ link(X6,X8) ),
drive3 ).
cnf(c_0_74,plain,
s(s2,s2,s0,s2,s1,truck1,s1,s1),
inference(spm,[status(thm)],[c_0_71,c_0_72]) ).
cnf(c_0_75,plain,
( s(s2,s2,s0,s2,s1,truck1,X1,s1)
| ~ link(s1,X1) ),
inference(spm,[status(thm)],[c_0_73,c_0_74]) ).
cnf(c_0_76,plain,
s(s2,s2,s0,s2,s1,truck1,s2,s1),
inference(spm,[status(thm)],[c_0_75,c_0_47]) ).
cnf(c_0_77,plain,
( s(s2,s2,s0,s2,s1,truck1,X1,s1)
| ~ link(s2,X1) ),
inference(spm,[status(thm)],[c_0_73,c_0_76]) ).
cnf(c_0_78,negated_conjecture,
~ s(s2,s2,s0,s2,s1,X1,s0,X2),
goal ).
cnf(c_0_79,plain,
$false,
inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_77,c_0_54]),c_0_78]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PLA031-1.003 : TPTP v9.2.1. Released v3.5.0.
% 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 01:49:47 EDT 2026
% 0.16/0.33 % CPUTime :
% 0.16/0.34 % start to proof: theBenchmark
% 39.29/21.72 % Version : CSE_E---1.7
% 39.29/21.72 % Problem : theBenchmark.p
% 39.29/21.72 % SZS status Unsatisfiable for theBenchmark.p
% 39.29/21.72 % SZS output start CNFRefutation
% See solution above
% 39.29/21.78 % Total time : 19.405s
%------------------------------------------------------------------------------