%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : PUZ031-1 : 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 : n011.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 08:54:21 AM UTC 2026
% Result : Unsatisfiable 13.25s 13.55s
% Output : Proof 13.25s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 20
% Syntax : Number of clauses : 150 ( 108 unt; 5 nHn; 150 RR)
% Number of literals : 242 ( 0 equ; 96 neg)
% Maximal clause size : 8 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 10 ( 9 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 5 con; 0-1 aty)
% Number of variables : 26 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(wolf_is_an_animal,axiom,
( ~ wolf(X)
| animal(X) ),
file('theBenchmark.p',wolf_is_an_animal) ).
cnf(fox_is_an_animal,axiom,
( ~ fox(X)
| animal(X) ),
file('theBenchmark.p',fox_is_an_animal) ).
cnf(bird_is_an_animal,axiom,
( ~ bird(X)
| animal(X) ),
file('theBenchmark.p',bird_is_an_animal) ).
cnf(snail_is_an_animal,axiom,
( ~ snail(X)
| animal(X) ),
file('theBenchmark.p',snail_is_an_animal) ).
cnf(there_is_a_wolf,axiom,
wolf(a_wolf),
file('theBenchmark.p',there_is_a_wolf) ).
cnf(there_is_a_fox,axiom,
fox(a_fox),
file('theBenchmark.p',there_is_a_fox) ).
cnf(there_is_a_bird,axiom,
bird(a_bird),
file('theBenchmark.p',there_is_a_bird) ).
cnf(there_is_a_snail,axiom,
snail(a_snail),
file('theBenchmark.p',there_is_a_snail) ).
cnf(there_is_a_grain,axiom,
grain(a_grain),
file('theBenchmark.p',there_is_a_grain) ).
cnf(grain_is_a_plant,axiom,
( ~ grain(X)
| plant(X) ),
file('theBenchmark.p',grain_is_a_plant) ).
cnf(eating_habits,axiom,
( ~ eats(Small_animal,Other_plant)
| ~ much_smaller(Small_animal,Animal)
| ~ plant(Other_plant)
| ~ animal(Small_animal)
| ~ plant(Plant)
| ~ animal(Animal)
| eats(Animal,Small_animal)
| eats(Animal,Plant) ),
file('theBenchmark.p',eating_habits) ).
cnf(snail_smaller_than_bird,axiom,
( ~ bird(Bird)
| ~ snail(Snail)
| much_smaller(Snail,Bird) ),
file('theBenchmark.p',snail_smaller_than_bird) ).
cnf(bird_smaller_than_fox,axiom,
( ~ fox(Fox)
| ~ bird(Bird)
| much_smaller(Bird,Fox) ),
file('theBenchmark.p',bird_smaller_than_fox) ).
cnf(fox_smaller_than_wolf,axiom,
( ~ wolf(Wolf)
| ~ fox(Fox)
| much_smaller(Fox,Wolf) ),
file('theBenchmark.p',fox_smaller_than_wolf) ).
cnf(wolf_dont_eat_fox,axiom,
( ~ eats(Wolf,Fox)
| ~ fox(Fox)
| ~ wolf(Wolf) ),
file('theBenchmark.p',wolf_dont_eat_fox) ).
cnf(wolf_dont_eat_grain,axiom,
( ~ eats(Wolf,Grain)
| ~ grain(Grain)
| ~ wolf(Wolf) ),
file('theBenchmark.p',wolf_dont_eat_grain) ).
cnf(bird_dont_eat_snail,axiom,
( ~ eats(Bird,Snail)
| ~ snail(Snail)
| ~ bird(Bird) ),
file('theBenchmark.p',bird_dont_eat_snail) ).
cnf(snail_food_is_a_plant,axiom,
( ~ snail(Snail)
| plant(snail_food_of(Snail)) ),
file('theBenchmark.p',snail_food_is_a_plant) ).
cnf(snail_eats_snail_food,axiom,
( ~ snail(Snail)
| eats(Snail,snail_food_of(Snail)) ),
file('theBenchmark.p',snail_eats_snail_food) ).
cnf(prove_the_animal_exists,negated_conjecture,
( ~ eats(Grain_eater,Grain)
| ~ eats(Animal,Grain_eater)
| ~ grain(Grain)
| ~ animal(Grain_eater)
| ~ animal(Animal) ),
file('theBenchmark.p',prove_the_animal_exists) ).
cnf(t1,plain,
( ~ animal(a_bird)
| ~ grain(a_grain)
| ~ eats(a_fox,a_bird)
| ~ eats(a_bird,a_grain)
| ~ animal(a_fox) ),
inference(start,[status(thm),parent(0:0)],[prove_the_animal_exists]) ).
cnf(t2,plain,
( ~ fox(a_fox)
| animal(a_fox) ),
inference(extension,[status(thm),parent(t1:1)],[fox_is_an_animal]) ).
cnf(t3,plain,
$false,
inference(connection,[status(thm),parent(t2:1)],[t2:1,t1:1]) ).
cnf(t4,plain,
fox(a_fox),
inference(extension,[status(thm),parent(t2:2)],[there_is_a_fox]) ).
cnf(t5,plain,
$false,
inference(connection,[status(thm),parent(t4:1)],[t4:1,t2:2]) ).
cnf(l1,lemma,
animal(a_fox),
inference(lemma,[status(cth),parent(t1:1),below(0:0)],[t1:1]) ).
cnf(t6,plain,
( eats(a_bird,a_snail)
| ~ animal(a_bird)
| ~ plant(a_grain)
| ~ animal(a_snail)
| ~ plant(snail_food_of(a_snail))
| ~ much_smaller(a_snail,a_bird)
| ~ eats(a_snail,snail_food_of(a_snail))
| eats(a_bird,a_grain) ),
inference(extension,[status(thm),parent(t1:2)],[eating_habits]) ).
cnf(t7,plain,
$false,
inference(connection,[status(thm),parent(t6:1)],[t6:1,t1:2]) ).
cnf(t8,plain,
( ~ snail(a_snail)
| eats(a_snail,snail_food_of(a_snail)) ),
inference(extension,[status(thm),parent(t6:2)],[snail_eats_snail_food]) ).
cnf(t9,plain,
$false,
inference(connection,[status(thm),parent(t8:1)],[t8:1,t6:2]) ).
cnf(t10,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t8:2)],[there_is_a_snail]) ).
cnf(t11,plain,
$false,
inference(connection,[status(thm),parent(t10:1)],[t10:1,t8:2]) ).
cnf(t12,plain,
( ~ snail(a_snail)
| ~ bird(a_bird)
| much_smaller(a_snail,a_bird) ),
inference(extension,[status(thm),parent(t6:3)],[snail_smaller_than_bird]) ).
cnf(t13,plain,
$false,
inference(connection,[status(thm),parent(t12:1)],[t12:1,t6:3]) ).
cnf(t14,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t12:2)],[there_is_a_bird]) ).
cnf(t15,plain,
$false,
inference(connection,[status(thm),parent(t14:1)],[t14:1,t12:2]) ).
cnf(t16,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t12:3)],[there_is_a_snail]) ).
cnf(t17,plain,
$false,
inference(connection,[status(thm),parent(t16:1)],[t16:1,t12:3]) ).
cnf(t18,plain,
( ~ snail(a_snail)
| plant(snail_food_of(a_snail)) ),
inference(extension,[status(thm),parent(t6:4)],[snail_food_is_a_plant]) ).
cnf(t19,plain,
$false,
inference(connection,[status(thm),parent(t18:1)],[t18:1,t6:4]) ).
cnf(t20,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t18:2)],[there_is_a_snail]) ).
cnf(t21,plain,
$false,
inference(connection,[status(thm),parent(t20:1)],[t20:1,t18:2]) ).
cnf(t22,plain,
( ~ snail(a_snail)
| animal(a_snail) ),
inference(extension,[status(thm),parent(t6:5)],[snail_is_an_animal]) ).
cnf(t23,plain,
$false,
inference(connection,[status(thm),parent(t22:1)],[t22:1,t6:5]) ).
cnf(t24,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t22:2)],[there_is_a_snail]) ).
cnf(t25,plain,
$false,
inference(connection,[status(thm),parent(t24:1)],[t24:1,t22:2]) ).
cnf(t26,plain,
( ~ grain(a_grain)
| plant(a_grain) ),
inference(extension,[status(thm),parent(t6:6)],[grain_is_a_plant]) ).
cnf(t27,plain,
$false,
inference(connection,[status(thm),parent(t26:1)],[t26:1,t6:6]) ).
cnf(t28,plain,
grain(a_grain),
inference(extension,[status(thm),parent(t26:2)],[there_is_a_grain]) ).
cnf(t29,plain,
$false,
inference(connection,[status(thm),parent(t28:1)],[t28:1,t26:2]) ).
cnf(t30,plain,
( ~ bird(a_bird)
| animal(a_bird) ),
inference(extension,[status(thm),parent(t6:7)],[bird_is_an_animal]) ).
cnf(t31,plain,
$false,
inference(connection,[status(thm),parent(t30:1)],[t30:1,t6:7]) ).
cnf(t32,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t30:2)],[there_is_a_bird]) ).
cnf(t33,plain,
$false,
inference(connection,[status(thm),parent(t32:1)],[t32:1,t30:2]) ).
cnf(t34,plain,
( ~ snail(a_snail)
| ~ bird(a_bird)
| ~ eats(a_bird,a_snail) ),
inference(extension,[status(thm),parent(t6:8)],[bird_dont_eat_snail]) ).
cnf(t35,plain,
$false,
inference(connection,[status(thm),parent(t34:1)],[t34:1,t6:8]) ).
cnf(t36,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t34:2)],[there_is_a_bird]) ).
cnf(t37,plain,
$false,
inference(connection,[status(thm),parent(t36:1)],[t36:1,t34:2]) ).
cnf(t38,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t34:3)],[there_is_a_snail]) ).
cnf(t39,plain,
$false,
inference(connection,[status(thm),parent(t38:1)],[t38:1,t34:3]) ).
cnf(t40,plain,
( ~ eats(a_bird,snail_food_of(a_snail))
| ~ animal(a_fox)
| ~ plant(snail_food_of(a_snail))
| ~ animal(a_bird)
| ~ plant(snail_food_of(a_snail))
| ~ much_smaller(a_bird,a_fox)
| eats(a_fox,snail_food_of(a_snail))
| eats(a_fox,a_bird) ),
inference(extension,[status(thm),parent(t1:3)],[eating_habits]) ).
cnf(t41,plain,
$false,
inference(connection,[status(thm),parent(t40:1)],[t40:1,t1:3]) ).
cnf(t42,plain,
( eats(a_wolf,a_fox)
| ~ animal(a_wolf)
| ~ plant(a_grain)
| ~ animal(a_fox)
| ~ plant(snail_food_of(a_snail))
| ~ much_smaller(a_fox,a_wolf)
| eats(a_wolf,a_grain)
| ~ eats(a_fox,snail_food_of(a_snail)) ),
inference(extension,[status(thm),parent(t40:2)],[eating_habits]) ).
cnf(t43,plain,
$false,
inference(connection,[status(thm),parent(t42:1)],[t42:1,t40:2]) ).
cnf(t44,plain,
( ~ grain(a_grain)
| ~ wolf(a_wolf)
| ~ eats(a_wolf,a_grain) ),
inference(extension,[status(thm),parent(t42:2)],[wolf_dont_eat_grain]) ).
cnf(t45,plain,
$false,
inference(connection,[status(thm),parent(t44:1)],[t44:1,t42:2]) ).
cnf(t46,plain,
wolf(a_wolf),
inference(extension,[status(thm),parent(t44:2)],[there_is_a_wolf]) ).
cnf(t47,plain,
$false,
inference(connection,[status(thm),parent(t46:1)],[t46:1,t44:2]) ).
cnf(t48,plain,
grain(a_grain),
inference(extension,[status(thm),parent(t44:3)],[there_is_a_grain]) ).
cnf(t49,plain,
$false,
inference(connection,[status(thm),parent(t48:1)],[t48:1,t44:3]) ).
cnf(t50,plain,
( ~ fox(a_fox)
| ~ wolf(a_wolf)
| much_smaller(a_fox,a_wolf) ),
inference(extension,[status(thm),parent(t42:3)],[fox_smaller_than_wolf]) ).
cnf(t51,plain,
$false,
inference(connection,[status(thm),parent(t50:1)],[t50:1,t42:3]) ).
cnf(t52,plain,
wolf(a_wolf),
inference(extension,[status(thm),parent(t50:2)],[there_is_a_wolf]) ).
cnf(t53,plain,
$false,
inference(connection,[status(thm),parent(t52:1)],[t52:1,t50:2]) ).
cnf(t54,plain,
fox(a_fox),
inference(extension,[status(thm),parent(t50:3)],[there_is_a_fox]) ).
cnf(t55,plain,
$false,
inference(connection,[status(thm),parent(t54:1)],[t54:1,t50:3]) ).
cnf(t56,plain,
( ~ snail(a_snail)
| plant(snail_food_of(a_snail)) ),
inference(extension,[status(thm),parent(t42:4)],[snail_food_is_a_plant]) ).
cnf(t57,plain,
$false,
inference(connection,[status(thm),parent(t56:1)],[t56:1,t42:4]) ).
cnf(t58,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t56:2)],[there_is_a_snail]) ).
cnf(t59,plain,
$false,
inference(connection,[status(thm),parent(t58:1)],[t58:1,t56:2]) ).
cnf(t60,plain,
animal(a_fox),
inference(lemma_extension,[status(thm),parent(t42:5)],[l1:1]) ).
cnf(t61,plain,
$false,
inference(connection,[status(thm),parent(t60:1)],[t60:1,t42:5]) ).
cnf(t62,plain,
( ~ grain(a_grain)
| plant(a_grain) ),
inference(extension,[status(thm),parent(t42:6)],[grain_is_a_plant]) ).
cnf(t63,plain,
$false,
inference(connection,[status(thm),parent(t62:1)],[t62:1,t42:6]) ).
cnf(t64,plain,
grain(a_grain),
inference(extension,[status(thm),parent(t62:2)],[there_is_a_grain]) ).
cnf(t65,plain,
$false,
inference(connection,[status(thm),parent(t64:1)],[t64:1,t62:2]) ).
cnf(t66,plain,
( ~ wolf(a_wolf)
| animal(a_wolf) ),
inference(extension,[status(thm),parent(t42:7)],[wolf_is_an_animal]) ).
cnf(t67,plain,
$false,
inference(connection,[status(thm),parent(t66:1)],[t66:1,t42:7]) ).
cnf(t68,plain,
wolf(a_wolf),
inference(extension,[status(thm),parent(t66:2)],[there_is_a_wolf]) ).
cnf(t69,plain,
$false,
inference(connection,[status(thm),parent(t68:1)],[t68:1,t66:2]) ).
cnf(t70,plain,
( ~ fox(a_fox)
| ~ wolf(a_wolf)
| ~ eats(a_wolf,a_fox) ),
inference(extension,[status(thm),parent(t42:8)],[wolf_dont_eat_fox]) ).
cnf(t71,plain,
$false,
inference(connection,[status(thm),parent(t70:1)],[t70:1,t42:8]) ).
cnf(t72,plain,
wolf(a_wolf),
inference(extension,[status(thm),parent(t70:2)],[there_is_a_wolf]) ).
cnf(t73,plain,
$false,
inference(connection,[status(thm),parent(t72:1)],[t72:1,t70:2]) ).
cnf(t74,plain,
fox(a_fox),
inference(extension,[status(thm),parent(t70:3)],[there_is_a_fox]) ).
cnf(t75,plain,
$false,
inference(connection,[status(thm),parent(t74:1)],[t74:1,t70:3]) ).
cnf(t76,plain,
( ~ bird(a_bird)
| ~ fox(a_fox)
| much_smaller(a_bird,a_fox) ),
inference(extension,[status(thm),parent(t40:3)],[bird_smaller_than_fox]) ).
cnf(t77,plain,
$false,
inference(connection,[status(thm),parent(t76:1)],[t76:1,t40:3]) ).
cnf(t78,plain,
fox(a_fox),
inference(extension,[status(thm),parent(t76:2)],[there_is_a_fox]) ).
cnf(t79,plain,
$false,
inference(connection,[status(thm),parent(t78:1)],[t78:1,t76:2]) ).
cnf(t80,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t76:3)],[there_is_a_bird]) ).
cnf(t81,plain,
$false,
inference(connection,[status(thm),parent(t80:1)],[t80:1,t76:3]) ).
cnf(t82,plain,
( ~ snail(a_snail)
| plant(snail_food_of(a_snail)) ),
inference(extension,[status(thm),parent(t40:4)],[snail_food_is_a_plant]) ).
cnf(t83,plain,
$false,
inference(connection,[status(thm),parent(t82:1)],[t82:1,t40:4]) ).
cnf(t84,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t82:2)],[there_is_a_snail]) ).
cnf(t85,plain,
$false,
inference(connection,[status(thm),parent(t84:1)],[t84:1,t82:2]) ).
cnf(l40,lemma,
plant(snail_food_of(a_snail)),
inference(lemma,[status(cth),parent(t40:4),below(t1:3)],[t40:4]) ).
cnf(t86,plain,
( ~ bird(a_bird)
| animal(a_bird) ),
inference(extension,[status(thm),parent(t40:5)],[bird_is_an_animal]) ).
cnf(t87,plain,
$false,
inference(connection,[status(thm),parent(t86:1)],[t86:1,t40:5]) ).
cnf(t88,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t86:2)],[there_is_a_bird]) ).
cnf(t89,plain,
$false,
inference(connection,[status(thm),parent(t88:1)],[t88:1,t86:2]) ).
cnf(l42,lemma,
animal(a_bird),
inference(lemma,[status(cth),parent(t40:5),below(t1:3)],[t40:5]) ).
cnf(t90,plain,
plant(snail_food_of(a_snail)),
inference(lemma_extension,[status(thm),parent(t40:6)],[l40:1]) ).
cnf(t91,plain,
$false,
inference(connection,[status(thm),parent(t90:1)],[t90:1,t40:6]) ).
cnf(t92,plain,
animal(a_fox),
inference(lemma_extension,[status(thm),parent(t40:7)],[l1:1]) ).
cnf(t93,plain,
$false,
inference(connection,[status(thm),parent(t92:1)],[t92:1,t40:7]) ).
cnf(t94,plain,
( eats(a_bird,a_snail)
| ~ animal(a_bird)
| ~ plant(snail_food_of(a_snail))
| ~ animal(a_snail)
| ~ plant(snail_food_of(a_snail))
| ~ much_smaller(a_snail,a_bird)
| ~ eats(a_snail,snail_food_of(a_snail))
| eats(a_bird,snail_food_of(a_snail)) ),
inference(extension,[status(thm),parent(t40:8)],[eating_habits]) ).
cnf(t95,plain,
$false,
inference(connection,[status(thm),parent(t94:1)],[t94:1,t40:8]) ).
cnf(t96,plain,
( ~ snail(a_snail)
| eats(a_snail,snail_food_of(a_snail)) ),
inference(extension,[status(thm),parent(t94:2)],[snail_eats_snail_food]) ).
cnf(t97,plain,
$false,
inference(connection,[status(thm),parent(t96:1)],[t96:1,t94:2]) ).
cnf(t98,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t96:2)],[there_is_a_snail]) ).
cnf(t99,plain,
$false,
inference(connection,[status(thm),parent(t98:1)],[t98:1,t96:2]) ).
cnf(t100,plain,
( ~ snail(a_snail)
| ~ bird(a_bird)
| much_smaller(a_snail,a_bird) ),
inference(extension,[status(thm),parent(t94:3)],[snail_smaller_than_bird]) ).
cnf(t101,plain,
$false,
inference(connection,[status(thm),parent(t100:1)],[t100:1,t94:3]) ).
cnf(t102,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t100:2)],[there_is_a_bird]) ).
cnf(t103,plain,
$false,
inference(connection,[status(thm),parent(t102:1)],[t102:1,t100:2]) ).
cnf(t104,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t100:3)],[there_is_a_snail]) ).
cnf(t105,plain,
$false,
inference(connection,[status(thm),parent(t104:1)],[t104:1,t100:3]) ).
cnf(t106,plain,
plant(snail_food_of(a_snail)),
inference(lemma_extension,[status(thm),parent(t94:4)],[l40:1]) ).
cnf(t107,plain,
$false,
inference(connection,[status(thm),parent(t106:1)],[t106:1,t94:4]) ).
cnf(t108,plain,
( ~ snail(a_snail)
| animal(a_snail) ),
inference(extension,[status(thm),parent(t94:5)],[snail_is_an_animal]) ).
cnf(t109,plain,
$false,
inference(connection,[status(thm),parent(t108:1)],[t108:1,t94:5]) ).
cnf(t110,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t108:2)],[there_is_a_snail]) ).
cnf(t111,plain,
$false,
inference(connection,[status(thm),parent(t110:1)],[t110:1,t108:2]) ).
cnf(t112,plain,
plant(snail_food_of(a_snail)),
inference(lemma_extension,[status(thm),parent(t94:6)],[l40:1]) ).
cnf(t113,plain,
$false,
inference(connection,[status(thm),parent(t112:1)],[t112:1,t94:6]) ).
cnf(t114,plain,
animal(a_bird),
inference(lemma_extension,[status(thm),parent(t94:7)],[l42:1]) ).
cnf(t115,plain,
$false,
inference(connection,[status(thm),parent(t114:1)],[t114:1,t94:7]) ).
cnf(t116,plain,
( ~ snail(a_snail)
| ~ bird(a_bird)
| ~ eats(a_bird,a_snail) ),
inference(extension,[status(thm),parent(t94:8)],[bird_dont_eat_snail]) ).
cnf(t117,plain,
$false,
inference(connection,[status(thm),parent(t116:1)],[t116:1,t94:8]) ).
cnf(t118,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t116:2)],[there_is_a_bird]) ).
cnf(t119,plain,
$false,
inference(connection,[status(thm),parent(t118:1)],[t118:1,t116:2]) ).
cnf(t120,plain,
snail(a_snail),
inference(extension,[status(thm),parent(t116:3)],[there_is_a_snail]) ).
cnf(t121,plain,
$false,
inference(connection,[status(thm),parent(t120:1)],[t120:1,t116:3]) ).
cnf(t122,plain,
grain(a_grain),
inference(extension,[status(thm),parent(t1:4)],[there_is_a_grain]) ).
cnf(t123,plain,
$false,
inference(connection,[status(thm),parent(t122:1)],[t122:1,t1:4]) ).
cnf(t124,plain,
( ~ bird(a_bird)
| animal(a_bird) ),
inference(extension,[status(thm),parent(t1:5)],[bird_is_an_animal]) ).
cnf(t125,plain,
$false,
inference(connection,[status(thm),parent(t124:1)],[t124:1,t1:5]) ).
cnf(t126,plain,
bird(a_bird),
inference(extension,[status(thm),parent(t124:2)],[there_is_a_bird]) ).
cnf(t127,plain,
$false,
inference(connection,[status(thm),parent(t126:1)],[t126:1,t124:2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ031-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 This is a CNF_UNS_RFO_NEQ_NHN 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
% 0.10/0.37 % Computer : n011.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Sat Sep 19 19:57:09 UTC 2026
% 0.10/0.37 % CPUTime :
% 13.25/13.55 % SZS status Unsatisfiable for theBenchmark
% 13.25/13.55 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------