%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : PLA003-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n018.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 08:54:00 AM UTC 2026
% Result : Unsatisfiable 0.13s 10.46s
% Output : Proof 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 8
% Syntax : Number of clauses : 23 ( 11 unt; 0 nHn; 21 RR)
% Number of literals : 35 ( 0 equ; 14 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 11 ( 11 usr; 8 con; 0-3 aty)
% Number of variables : 23 ( 7 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(climb_up,axiom,
( ~ can(monkey(Location1,floor,nothing),ladder(Location1,floor),Bananas)
| can(monkey(Location1,ceiling,nothing),ladder(Location1,floor),Bananas) ),
file('theBenchmark.p',climb_up) ).
cnf(go_holding_ladder,axiom,
( ~ can(monkey(Location1,floor,the_ladder),ladder(Location1,floor),Bananas)
| can(monkey(Location2,floor,the_ladder),ladder(Location2,floor),Bananas) ),
file('theBenchmark.p',go_holding_ladder) ).
cnf(go_holding_nothing,axiom,
( ~ can(monkey(Location1,floor,nothing),Ladder,Bananas)
| can(monkey(Location2,floor,nothing),Ladder,Bananas) ),
file('theBenchmark.p',go_holding_nothing) ).
cnf(drop_ladder,axiom,
( ~ can(monkey(Location,Height,the_ladder),ladder(Location,Any_height),Bananas)
| can(monkey(Location,Height,nothing),ladder(Location,floor),Bananas) ),
file('theBenchmark.p',drop_ladder) ).
cnf(grab_bananas,axiom,
( ~ can(monkey(Location,Height,nothing),Ladder,bananas(Location,Height))
| can(monkey(Location,Height,the_bananas),Ladder,bananas(Location,Height)) ),
file('theBenchmark.p',grab_bananas) ).
cnf(grab_ladder,axiom,
( ~ can(monkey(Location,Height,nothing),ladder(Location,Height),Bananas)
| can(monkey(Location,Height,the_ladder),ladder(Location,Height),Bananas) ),
file('theBenchmark.p',grab_ladder) ).
cnf(initial_situation,hypothesis,
can(monkey(l0,floor,nothing),ladder(l1,floor),bananas(l2,ceiling)),
file('theBenchmark.p',initial_situation) ).
cnf(prove_the_monkey_can_get_the_bananas,negated_conjecture,
~ can(monkey(Somewhere,Some_height,the_bananas),Ladder,What),
file('theBenchmark.p',prove_the_monkey_can_get_the_bananas) ).
cnf(t1,plain,
~ can(monkey(l2,ceiling,the_bananas),ladder(l2,floor),bananas(l2,ceiling)),
inference(start,[status(thm),parent(0:0)],[prove_the_monkey_can_get_the_bananas]) ).
cnf(t2,plain,
( ~ can(monkey(l2,ceiling,nothing),ladder(l2,floor),bananas(l2,ceiling))
| can(monkey(l2,ceiling,the_bananas),ladder(l2,floor),bananas(l2,ceiling)) ),
inference(extension,[status(thm),parent(t1:1)],[grab_bananas]) ).
cnf(t3,plain,
$false,
inference(connection,[status(thm),parent(t2:1)],[t2:1,t1:1]) ).
cnf(t4,plain,
( ~ can(monkey(l2,floor,nothing),ladder(l2,floor),bananas(l2,ceiling))
| can(monkey(l2,ceiling,nothing),ladder(l2,floor),bananas(l2,ceiling)) ),
inference(extension,[status(thm),parent(t2:2)],[climb_up]) ).
cnf(t5,plain,
$false,
inference(connection,[status(thm),parent(t4:1)],[t4:1,t2:2]) ).
cnf(t6,plain,
( ~ can(monkey(l2,floor,the_ladder),ladder(l2,floor),bananas(l2,ceiling))
| can(monkey(l2,floor,nothing),ladder(l2,floor),bananas(l2,ceiling)) ),
inference(extension,[status(thm),parent(t4:2)],[drop_ladder]) ).
cnf(t7,plain,
$false,
inference(connection,[status(thm),parent(t6:1)],[t6:1,t4:2]) ).
cnf(t8,plain,
( ~ can(monkey(l1,floor,the_ladder),ladder(l1,floor),bananas(l2,ceiling))
| can(monkey(l2,floor,the_ladder),ladder(l2,floor),bananas(l2,ceiling)) ),
inference(extension,[status(thm),parent(t6:2)],[go_holding_ladder]) ).
cnf(t9,plain,
$false,
inference(connection,[status(thm),parent(t8:1)],[t8:1,t6:2]) ).
cnf(t10,plain,
( ~ can(monkey(l1,floor,nothing),ladder(l1,floor),bananas(l2,ceiling))
| can(monkey(l1,floor,the_ladder),ladder(l1,floor),bananas(l2,ceiling)) ),
inference(extension,[status(thm),parent(t8:2)],[grab_ladder]) ).
cnf(t11,plain,
$false,
inference(connection,[status(thm),parent(t10:1)],[t10:1,t8:2]) ).
cnf(t12,plain,
( ~ can(monkey(l0,floor,nothing),ladder(l1,floor),bananas(l2,ceiling))
| can(monkey(l1,floor,nothing),ladder(l1,floor),bananas(l2,ceiling)) ),
inference(extension,[status(thm),parent(t10:2)],[go_holding_nothing]) ).
cnf(t13,plain,
$false,
inference(connection,[status(thm),parent(t12:1)],[t12:1,t10:2]) ).
cnf(t14,plain,
can(monkey(l0,floor,nothing),ladder(l1,floor),bananas(l2,ceiling)),
inference(extension,[status(thm),parent(t12:2)],[initial_situation]) ).
cnf(t15,plain,
$false,
inference(connection,[status(thm),parent(t14:1)],[t14:1,t12:2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PLA003-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 This is a CNF_UNS_RFO_NEQ_HRN problem
% 0.00/0.04 % Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/10.37 % Computer : n018.cluster.edu
% 0.09/10.37 % Model : x86_64 x86_64
% 0.09/10.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/10.37 % Memory : 8046.5625MB
% 0.09/10.37 % OS : Linux 6.8.0-71-generic
% 0.09/10.37 % CPULimit : 300
% 0.09/10.37 % WCLimit : 300
% 0.09/10.37 % DateTime : Sat Sep 19 19:41:52 UTC 2026
% 0.09/10.37 % CPUTime :
% 0.13/10.46 % SZS status Unsatisfiable for theBenchmark
% 0.13/10.46 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------