%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : PLA002-1 : TPTP v9.2.1. Released v1.0.0.
% 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 : n023.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 05:01:18 PM UTC 2026
% Result : Unsatisfiable 1.24s 1.72s
% Output : CNFRefutation 1.24s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 8
% Syntax : Number of clauses : 26 ( 9 unt; 2 nHn; 20 RR)
% Number of literals : 47 ( 0 equ; 26 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 6 con; 0-2 aty)
% Number of variables : 28 ( 16 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(walk_b_to_a,hypothesis,
( at(a,walk(a,X1))
| ~ at(b,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',walk_b_to_a) ).
cnf(prove_you_can_get_to_a,negated_conjecture,
~ at(a,X1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_you_can_get_to_a) ).
cnf(cross_river_c_to_b,hypothesis,
( at(b,skate(b,X1))
| ~ cold(X1)
| ~ at(c,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cross_river_c_to_b) ).
cnf(warm_or_cold,hypothesis,
( warm(X1)
| cold(X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',warm_or_cold) ).
cnf(go_d_to_c,hypothesis,
( at(c,go(c,X1))
| ~ at(d,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',go_d_to_c) ).
cnf(go_f_to_d,hypothesis,
( at(d,go(d,X1))
| ~ at(f,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',go_f_to_d) ).
cnf(climb_mountain_d_to_b,hypothesis,
( at(b,climb(b,X1))
| ~ warm(X1)
| ~ at(d,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',climb_mountain_d_to_b) ).
cnf(initial,hypothesis,
at(f,s0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',initial) ).
cnf(c_0_8,hypothesis,
( at(a,walk(a,X1))
| ~ at(b,X1) ),
walk_b_to_a ).
cnf(c_0_9,negated_conjecture,
~ at(a,X1),
prove_you_can_get_to_a ).
cnf(c_0_10,hypothesis,
( at(b,skate(b,X1))
| ~ cold(X1)
| ~ at(c,X1) ),
cross_river_c_to_b ).
cnf(c_0_11,hypothesis,
~ at(b,X1),
inference(sr,[status(thm)],[c_0_8,c_0_9]) ).
cnf(c_0_12,hypothesis,
( ~ at(c,X1)
| ~ cold(X1) ),
inference(sr,[status(thm)],[c_0_10,c_0_11]) ).
cnf(c_0_13,hypothesis,
( warm(X1)
| cold(X2) ),
warm_or_cold ).
cnf(c_0_14,hypothesis,
( warm(X1)
| ~ at(c,X2) ),
inference(spm,[status(thm)],[c_0_12,c_0_13]) ).
cnf(c_0_15,hypothesis,
( at(c,go(c,X1))
| ~ at(d,X1) ),
go_d_to_c ).
cnf(c_0_16,hypothesis,
( warm(X1)
| ~ at(d,X2) ),
inference(spm,[status(thm)],[c_0_14,c_0_15]) ).
cnf(c_0_17,hypothesis,
( at(d,go(d,X1))
| ~ at(f,X1) ),
go_f_to_d ).
cnf(c_0_18,hypothesis,
( at(b,climb(b,X1))
| ~ warm(X1)
| ~ at(d,X1) ),
climb_mountain_d_to_b ).
cnf(c_0_19,hypothesis,
( warm(X1)
| ~ at(f,X2) ),
inference(spm,[status(thm)],[c_0_16,c_0_17]) ).
cnf(c_0_20,hypothesis,
at(f,s0),
initial ).
cnf(c_0_21,hypothesis,
( ~ at(d,X1)
| ~ warm(X1) ),
inference(sr,[status(thm)],[c_0_18,c_0_11]) ).
cnf(c_0_22,hypothesis,
warm(X1),
inference(spm,[status(thm)],[c_0_19,c_0_20]) ).
cnf(c_0_23,hypothesis,
~ at(d,X1),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_21,c_0_22])]) ).
cnf(c_0_24,hypothesis,
~ at(f,X1),
inference(spm,[status(thm)],[c_0_23,c_0_17]) ).
cnf(c_0_25,hypothesis,
$false,
inference(sr,[status(thm)],[c_0_20,c_0_24]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PLA002-1 : TPTP v9.2.1. Released v1.0.0.
% 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
% 0.15/0.33 % Computer : n023.cluster.edu
% 0.15/0.33 % Model : x86_64 x86_64
% 0.15/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.33 % Memory : 8042.1875MB
% 0.15/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.15/0.33 % CPULimit : 300
% 0.15/0.33 % WCLimit : 300
% 0.15/0.33 % DateTime : Tue May 5 01:26:39 EDT 2026
% 0.15/0.33 % CPUTime :
% 0.15/0.34 % start to proof: theBenchmark
% 1.24/1.72 % Version : CSE_E---1.7
% 1.24/1.72 % Problem : theBenchmark.p
% 1.24/1.72 % SZS status Unsatisfiable for theBenchmark.p
% 1.24/1.72 % SZS output start CNFRefutation
% See solution above
% 1.24/1.72 % Total time : 1.371s
%------------------------------------------------------------------------------